Draw an equivalent logic circuit for the following boolean expressions:- (A.B)+C​

With the Software as a Service (SaaS) model, users do not need to be concerned with new software versions and compatibility problems because the application service providers (ASPs) offer the most recent version of the software.

This model provides cost-efficient and on-demand cloud delivery of software applications to users. SaaS allows businesses to subscribe to web-based software applications that are hosted by third-party providers. SaaS software provides the customer with the opportunity to access business-specific applications via the internet without having to install, configure or maintain any software on their personal computers.

This is a great solution for businesses as it reduces the initial costs of installation and setup by providing the applications in a ready-to-use form. It also makes it easier for companies to manage upgrades and modifications because the updates are applied to the hosted software rather than to every machine in the organization.

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The switching technology that allows each access layer switch link to be aggregated to provide more bandwidth between each Layer 2 switch and the Layer 3 switch is EtherChannel.

Let's dive deeper into the details below.

Switching technology refers to the process of sending data from one device to another device on a computer network. A switch is a device that can link multiple devices in a local area network (LAN) by using a packet-switching network to forward data to the destination device.

Switches are used to provide bandwidth to network nodes and to optimize the use of network resources. A layer is a logical grouping of network devices, and switching can be implemented at different layers of the network. Layer 2 switches connect network nodes, while layer 3 switches connect different LANs.

EtherChannel is a Cisco proprietary technology that is used to bundle several physical links to increase bandwidth and provide redundancy. The links that are bundled together are treated as a single logical link, and traffic is distributed evenly across the available links.

EtherChannel is a layer 2 switching technology that is used to increase bandwidth between network nodes by combining multiple links between switches. This provides a high-speed link between the access layer switches and the distribution layer switches.

EtherChannel is also used to provide redundancy by providing multiple links between the same switches to ensure that traffic can still be sent in the event of a link failure.

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The advantages the online encyclopedia has over a traditional paper-based encyclopedia are the ability to have a larger number of perspectives reflected in the encyclopedia content and the ability to quickly update encyclopedia content as new information becomes available.

Therefore, the correct options are C and D. The traditional paper-based encyclopedia was the best source of information in the past, but now the digital encyclopedia has replaced it.

The internet is now the most extensive and fast method of obtaining information about any topic. A digital encyclopedia has certain advantages over traditional paper-based encyclopedias that make it superior.

Here are some of the advantages: Ability to have a larger number of perspectives reflected in the encyclopedia content: The online encyclopedia has an infinite number of articles and contributors.

A traditional paper-based encyclopedia is written by a small group of people, who may not be representative of the overall population. The ability to quickly update encyclopedia content as new information becomes available: The online encyclopedia can be updated easily and quickly with the latest information.

A traditional paper-based encyclopedia, however, cannot be updated once it is printed. In conclusion, digital encyclopedias have many advantages over traditional paper-based encyclopedias.

The ability to have a larger number of perspectives reflected in the encyclopedia content and the ability to quickly update encyclopedia content as new information becomes available are two significant advantages of a free online encyclopedia.

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The following situation indicates that virtualization would provide the best ROI: b) Most physical servers within the organization are currently underutilized.

Virtualization is the technique of producing a virtual version of something like computer hardware or a network resource. Virtualization is a vital component of modern-day computing, and it has become more widespread due to the development of cloud computing.

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On entering "Years of Experience," $P$14:$Q$15,2,TRUE], Then, enter the range E4:E32 in the formula. The employee's years of experience will be checked in the "Years of Experience" field.

VLOOKUP can be used to search vertical data ranges. Instead than using columns to organise data, the HLOOKUP function searches over rows. LOOKUP and related functions are extensively used in Excel's business analytics to slice and dice data for analysis.

Using HLOOKUP, table array, row index number, and [range lookup] These arguments are part of the syntax for the HLOOKUP function: Lookup value is necessary. the value that can be found in the table's first row. You can use Lookup value as a value, a reference.

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Considering a situation where swap operation is very costly, the sorting algorithm that should be preferred so that the number of swap operations are minimized in general is Insertion Sort.

This is because Insertion Sort performs very few swap operations as compared to other sorting algorithms such as Selection Sort, Heap Sort, and Merge Sort.Insertion Sort algorithm. Insertion sort is a sorting algorithm that builds the final sorted list one item at a time. It is less efficient on large lists than more advanced algorithms such as quicksort, heapsort, or merge sort. However, insertion sort is one of the fastest algorithms for sorting very small arrays, even faster than quicksort; indeed, good quicksort implementations use insertion sort for arrays smaller than a certain threshold, also when arising as subproblems; the exact threshold must be determined experimentally and depends on the machine, but is commonly around ten.

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This statement given "a person's security clearance is a personnel security structure in which each user of an information asset is assigned an authorization level that identifies the level of classified information he or she is cleared to access. " is true because a security clearance is a process that verifies an individual's trustworthiness and suitability for access to classified information.

The clearance level assigned to an individual corresponds to the level of sensitive information they are allowed to access. This personnel security structure ensures that classified information is only accessible by those who have a need to know and are deemed trustworthy to handle such information. This helps to protect national security and prevent unauthorized access to sensitive information.

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Application software policies are a set of formal statements that define how a software application or program should be used. The purpose of such policies is to help educate users on how to use software more securely

.By defining boundaries of what applications are permitted or not, application software policies ensure that software applications are used in accordance with established guidelines . These policies may also help organizations comply with regulatory requirements . In addition, they may serve to protect sensitive data, prevent malware infections and unauthorized access, and minimize the risks associated with using various software applications . It is important that application software policies are easy to understand and follow by the end-users to ensure their effectiveness.

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Question:-What is the purpose of application software policies? Check all that apply.

They define boundaries of what applications are permitted.

They use a database of signatures to identify malware.

They take log data and convert it into different formats.

They serve to help educate users on how to use software more securely

You can use SQL (Structured Query Language) to pull the customer records most relevant to the marketing campaign from the database.

SQL (Structured Query Language) is a domain-specific language for managing data stored in a relational database (RDBMS). It enables you to retrieve, insert, delete, and update data in the database. It's particularly useful for data management in a relational database system. It allows users to access and manipulate databases using a wide range of functions, which can include selecting, inserting, modifying, and deleting data from a database. SQL is the most commonly used language for interacting with databases, and it is utilized by developers, database administrators, and data analysts.

SQL has several advantages that make it a popular choice for accessing databases, including:

Scalability, Flexibility, Cost-effective, and Easy to learn.

SQL has some disadvantages as well, which include:

Steep learning curve, Limited functionality and SQL can be used to manipulate relational databases, but it's not suitable for other data types such as No SQL databases.  

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The answer is designing a closet organizer, designing a car, writing a story, or developing an app. So, all the given options are correct,

A database is a collection of data stored on a computer that is structured in such a way that it can be easily accessed, managed, and updated by authorized personnel. A database management system (DBMS) is used to create and maintain databases, allowing users to query and manipulate the data stored within them.

The development of an app, on the other hand, is a process that involves the creation of software applications for use on mobile devices, computers, or other platforms. This involves designing, coding, testing, and deploying the app, as well as providing ongoing support and maintenance.

Both of these processes require careful planning, attention to detail, and a clear understanding of the needs of the users. In both cases, it is important to design the system in a way that is flexible, scalable, and easy to use, and to ensure that it is secure, reliable, and well-documented.

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The type of data that a column can contain depends on its data type. This enables the table's creator to contribute to the preservation of the data's integrity.

Records (rows) and fields make up a table (columns). Data can be entered in fields in a variety of formats, including text, numbers, dates, and hyperlinks. a document contains specific information, such as details about a certain employee or product.

Records are the name for database entries. A database record is really a grouping of data that has been arranged into a table. This table may represent a certain subject or class. A tuple is another name for a record.

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A network administrator is looking at the security of their Domain Name System servers and is researching common attacks against DNS then, a non-common attack would be SMB attacks. The correct option is e.

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To select a shared printer within the print management console, start by navigating to the More Actions option in the actions menu. Here, you'll find the Properties option. Once you click this, you'll be able to change the printer name, location, and comment.

To select a shared printer within the print management console, follow the steps mentioned below:

Step 1: Click on the start menu and then select the "Control Panel" option.

Step 2: Within the "Control Panel", click on "Hardware and Sound" and then click on "Devices and Printers".

Step 3: Right-click on the printer that you want to share and then click on "Printer Properties".

Step 4: In the "Printer Properties" window, click on the "Sharing" tab.

Step 5: Select the "Share this printer" option and then enter a "Share name" that will be used to identify the shared printer.

Step 6: Click on the "Apply" button and then click on the "OK" button. By following the above steps, you will be able to select a shared printer within the print management console.

Additionally, you can change the printer name, location, and comment by selecting the "Properties" option from the "More Actions" menu.

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To transfer Microsoft Authenticator to a new phone, follow these steps:On your old phone, open the Microsoft Authenticator app and tap on the three-dot icon in the top-right corner.S

elect "Settings" from the dropdown menu.Tap on "Backup" and then follow the prompts to create a backup of your Authenticator app.On your new phone, download the Microsoft Authenticator app from the app store.Open the app and follow the prompts to set it up.When prompted, select the option to "Restore from backup" and follow the prompts to restore your Authenticator app data from the backup you created on your old phone.Once the restore process is complete, your Microsoft Authenticator app will be ready to use on your new phone with all of your accounts and settings transferred over.Note: It's important to ensure that you have access to your recovery codes or alternate authentication methods for each account in case you encounter any issues during the transfer process.

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Even though social media has many advantages miscommunication may occur due to hackers posting posts which are fake and this may damage the communication with outside world.

What is social media?

Social media is a source of communication where people communicate with each other and exchange information.

So in the question,

Negative social media content may instantly erode trust in your brand, whether it originates from hackers, irate clients, or just a pushback against something you post.

On the internet, nothing can be timed. Because social media users mostly  remember something than users of other platforms, for example, a nasty tweet or message made by a brand on social media .

As a result of these careless social media actions, many businesses experience losses.

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The vulnerability scanning option that requires the use of a "dissolvable agent" is TCP port scanning. The correct option is b.

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The system version did the scan reveal for each host is like Linux, Windows, and Mac OS X.

The official Nmap Security Scanner GUI is called Zenmap. It is a free and open source application that works on multiple platforms and strives to make Nmap simple to use for newcomers while offering extensive functionality for Nmap veterans. Your scan findings are saved by Zenmap until you decide to delete them. The findings of a scan can then be viewed before you decide whether to save them to a file. It is not necessary to come up with a file name in advance.

This answer for "The Zenmap scan revealed which operating system versions for each of the three hosts on the 172.30.0.0/24 subnet?"

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Your instance can receive traffic from port 3389 for RDP access from the CIDR block 72.14.0.0/16, and traffic from port 80 for HTTP access from all IPs, given the CIDR block 0.0.0.0/0.

The traffic that can reach your instance: Traffic from CIDR block 72.14.0.0/16 and from any IP to port 80. AWS security groups are like the iptables firewall. You can specify the allowed inbound and outbound traffic for an instance. When a security group is first created, there are no inbound or outbound rules enabled by default, which indicates that all inbound or outbound traffic to the instance is denied. This prevents your instances from being compromised by any unauthorized users, network scans, or remote control of your devices.

You can create a security group for your instance or launch an instance and pick the pre-existing security group. A security group's guidelines decide the inbound network traffic that it would allow into the instances it protects, as well as the outbound network traffic that those instances will transmit to other destinations. The following is the traffic that can reach your instance from the following security groups: Remote desktop protocol (RDP) access over port 3389 from CIDR block 72.14.0.0/16.HTTP access over port 80 from CIDR block 0.0.0.0/0.

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Messages are logged for a particular system or application component using a Logger object. Loggers are often given names using a dot-separated hierarchical namespace.

Nevertheless, they should often be based on the package name or class name of the recorded component, such as java.net or javax. Logger names can be any arbitrary text. A Logger object is used to log messages for a specific system or application component. Loggers are often named using a hierarchical dot-separated namespace. Logger names can be any string, although they should usually be based on the package or class name of the recorded component, such as java.net or javax.

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The given statement "The way to measure the resistance of a hash algorithm to cryptanalysis is to compare its strength to the effort required for a brute-force attack" is True.

Cryptanalysis is the art of deciphering encrypted messages, analyzing cryptographic protocols, and cracking codes. Cryptanalysis may be thought of as the opposite of cryptography, which is the study of making encrypted messages and designing secure communication protocols.

The strength of a hash algorithm can be measured by comparing it to the effort required for a brute-force attack. To demonstrate this, the difficulty of finding a message with a given hash value may be compared to the difficulty of finding a message with that same hash value using brute-force methods.

In general, a hash algorithm is considered to be secure if it is computationally infeasible to discover the message that generated a given hash value, even though hash values for a huge number of possible messages may have been created. The length of the hash value produced by the algorithm is also an indicator of its security.

The length of the hash value should be proportional to the size of the input, and the security of the hash algorithm is proportional to the length of the hash value. It's also important to remember that the algorithm must be quick to compute, as performance is often a critical factor.

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The statement ''Biometric identifiers do not refer to something the user knows, such as a user id, password, pin, or answer to a security question'' is false.

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As a security professional tasked with preventing fraudulent emails, the DNS records that you would configure to help you realize this goal are:

A DNS record is a type of data stored in the Domain Name System (DNS) that provides information about a specific domain name or IP address, such as its associated IP address or mail server.

As a security professional tasked with preventing fraudulent emails, the DNS records that you would configure to help you realize this goal are:

SPF (Sender Policy Framework): SPF is an email authentication method that allows the domain owners to specify which mail servers are authorized to send emails on behalf of their domain. By configuring SPF records in DNS, you can help prevent email fraud and phishing attacks.

DMARC (Domain-based Message Authentication, Reporting & Conformance): DMARC is an email authentication protocol that builds on top of SPF and DKIM to provide more robust email authentication. It allows domain owners to specify how email receivers should handle emails that fail authentication checks.

DKIM (DomainKeys Identified Mail): DKIM is another email authentication method that uses digital signatures to verify the authenticity of email messages. By configuring DKIM records in DNS, you can help prevent email fraud and phishing attacks.

Therefore, the three DNS records you should configure to prevent fraudulent emails are SPF, DMARC, and DKIM. The other two DNS records (CNAME and MX) are not directly related to preventing email fraud.

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Full Question:

Although part of your question is missing, you might be referring to this full question:

You are a security professional tasked with preventing fraudulent emails. Which DNS records will you configure to help you realize this goal? Select three.

SPF

DMARC

DKIM

CNAME

MX

The company that promotes such a broader vision of software services is Microsoft.

Cloud computing is a technology used to provide software services through the internet. Instead of downloading software on a computer or server, it runs on remote servers, making it accessible through the internet. This technology offers on-demand access to a shared pool of configurable computing resources that can be rapidly provisioned and released with minimal management effort. Moreover, cloud computing has several benefits, such as cost reduction, increased flexibility, scalability, reliability, and security.

Microsoft's broader vision of software services refers to its strategy of integrating software applications, platforms, and infrastructure into cloud computing. Microsoft aims to help its customers transform their businesses by providing cloud-based solutions that enhance their productivity, security, and customer satisfaction. The company offers several cloud-based services, such as Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).

SaaS is a cloud-based software delivery model in which vendors provide customers with software applications accessible over the internet. PaaS is a cloud-based platform that enables customers to develop, test, and deploy software applications without incurring the costs and complexity of building and maintaining the infrastructure. IaaS is a cloud-based infrastructure that provides customers with on-demand access to virtualized computing resources, such as servers, storage, and networking. Microsoft's cloud computing services include Azure, Office 365, Dynamics 365, and more. Azure is a cloud-based platform that offers several services, such as computing, storage, networking, databases, analytics, and more.

To sum up, Microsoft promotes a broader vision of software services that involves integrating software applications, platforms, and infrastructure into cloud computing. The company's strategy for cloud computing aims to help its customers transform their businesses by providing cloud-based solutions that enhance their productivity, security, and customer satisfaction. Microsoft's cloud computing services, such as Azure, Office 365, and Dynamics 365, provide customers with on-demand access to software applications, platforms, and infrastructure through the internet.

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As a database administrator, it is my recommendation that the following measures be taken to increase SQL Server database security:Implement strong passwords: It is important to ensure that passwords are difficult to guess, long, and complex enough to prevent unauthorized access.

Ensure that passwords are changed frequently, and that password policies are enforced. Use multi-factor authentication: Multi-factor authentication (MFA) is another important security measure that can be used to strengthen SQL Server database security. This involves requiring users to provide a second form of authentication in addition to their password. Audit trail: Another important security measure that can be used to strengthen SQL Server database security is the audit trail. This involves keeping track of all changes made to the database, including who made the changes and when they were made.

Encryption: Encryption is another important security measure that can be used to protect data in transit and at rest. Encryption should be used for all sensitive data, such as credit card numbers and personal information.

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The disadvantages of biometrics are the following:

Biometrics is an automated way of identifying people based on their physical and behavioral characteristics. Biometric identification technology has many advantages over traditional identification methods. However, it also has some drawbacks.

The disadvantages of biometrics include: They can be circumvented by a brute force attack. They have the potential to produce numerous false negatives. The biometric factors for identical twins are the same. When used alone, they are no more secure than a strong password. They require hourly tones.

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The correct answer is TCP and UDP are two transport layer protocols that are used for sending data over a network. The following three statements correctly describe their functions:

The TCP source port number identifies the sending host on the network: TCP uses a 16-bit source port field to identify the sending process or application on the host. This helps the receiving host to identify the source of the data. UDP segments are encapsulated within IP packets for transport across the network: UDP does not have any built-in error recovery mechanism, so it simply encapsulates its segments within IP packets and sends them over the network. The source port field identifies the running application or service that will handle data returning to the PC establishing a session with the server: Both TCP and UDP use the source and destination port fields to identify the applications or services that will handle the data. The source port field helps the server to identify the process or application that sent the data and establish a session with the PC. In summary, TCP and UDP are transport layer protocols that use source and destination port numbers to identify the sending and receiving hosts and the applications or services that will handle the data. UDP simply encapsulates its segments within IP packets, while TCP establishes a reliable, connection-oriented session between the hosts.

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An overloaded method shares the same name but a different number of parameters with another method in the same class.

What is method overloading?

Method overloading is the term for having several methods with the same name in a class. The parameters passed to each method distinguish between them. The principle of method overloading is to reuse the same method name to indicate the variations of the same operation that may be performed in different ways or using different input parameters. In overloading, the return type and access modifier can be changed, but the method's name and arguments must be different.

Method overloading is a popular method of creating multiple methods with the same name in a single class, with different parameters. Overloading allows you to specify multiple ways to execute the same technique, with different data types or parameter signatures, and it is done during the program's compilation time.

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This type of online tracking system is known as geo-fencing. It uses GPS or RFID technology to determine a user's location and send relevant content based on that location.

A geofencing system is a type of online tracking system that enables businesses and organizations to identify when mobile devices cross predetermined boundaries. In the context of retail, geofencing refers to the use of GPS, RFID, or Wi-Fi technology to track and communicate with customers who have downloaded store apps. It uses GPS or radio frequency identification (RFID) to establish a virtual perimeter or fence around a specific geographic area. Geofencing technology, in the context of retail, allows retailers to trigger mobile alerts to customers who have installed their apps and are nearby, offering them discounts and other product information. The store app may use this technology to track shoppers as they progress through the store, sending them discounts and product information. Geofencing has become a popular tool in the retail sector because it enables retailers to send customers targeted marketing messages based on their location. Geofencing technology provides retailers with a new way to reach customers by providing them with hyper-relevant, location-specific promotions and deals that they would not have access to otherwise.

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The situation described in the question is an example of a breach of confidentiality that resulted from a worker in the records department of a hospital accidentally sending the medical records of a patient to a printer in another department.

The unauthorized sharing of sensitive or private information may cause legal or ethical implications. In this situation, the medical records of a patient were inadvertently sent to the printer in another department, and the patient record printout was missing when the worker arrived.

It is an example of a breach of confidentiality that may cause legal, ethical, or financial implications for the hospital and the worker.

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Here is an implementation of a Python program that reads an input grammar from standard input, and a task number from the command line argument, performs the requested task, and prints the results to standard output:

import sys

def task_one(terminals, nonterminals):

   print(' '.join(terminals + nonterminals))

def remove_useless_symbols(grammar):

   reachable = set('S')

   new_reachable = set('S')

   while new_reachable != reachable:

       reachable = new_reachable.copy()

       for lhs, rhs_list in grammar.items():

           if lhs in reachable:

               for rhs in rhs_list:

                   for symbol in rhs.split():

                       if symbol in grammar:

                           new_reachable.add(symbol)

   return {lhs: [rhs for rhs in rhs_list if all(symbol in reachable for symbol in rhs.split())] for lhs, rhs_list in grammar.items()}

def task_two(grammar):

   modified_grammar = remove_useless_symbols(grammar)

   for lhs, rhs_list in modified_grammar.items():

       for rhs in rhs_list:

           print(f"{lhs} -> {'# ' if not rhs else rhs}")

def read_grammar():

   grammar = {}

   for line in sys.stdin:

       lhs, rhs = line.strip().split(' -> ')

       grammar.setdefault(lhs, []).append(rhs)

   return grammar

if __name__ == '__main__':

   task_number = int(sys.argv[1])

   grammar = read_grammar()

   if task_number == 1:

       terminals = sorted(set(symbol for rhs_list in grammar.values() for rhs in rhs_list for symbol in rhs.split() if symbol.islower()))

       nonterminals = sorted(set(grammar.keys()))

       task_one(terminals, nonterminals)

   elif task_number == 2:

       task_two(grammar)

The program defines two functions task_one() and remove_useless_symbols() to perform the two tasks. The task_one() function takes a list of terminals and a list of non-terminals, concatenates them in the order they appear in the grammar rules, and prints the result to standard output. The remove_useless_symbols() function takes a dictionary representing the input grammar, removes any non-reachable or non-productive symbols, and returns a modified grammar in the format specified for task two.

The program also defines a read_grammar() function that reads the input grammar from standard input and returns a dictionary representing the grammar. The main code block reads the task number from the first command line argument, reads the input grammar using read_grammar(), and performs the requested task using the appropriate function. For task one, the program first calculates the list of terminals and non-terminals by iterating over the grammar rules, extracting the symbols using string splitting and filtering for lowercase letters and non-lowercase letters respectively.

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