Answer:
The phenomenon of total internal reflection of light is used in many optical instruments like telescopes, microscopes, binoculars, spectroscopes, periscopes etc. The brilliance of a diamond is due to total internal reflection. Optical fibre works on the principle of total internal reflection.
Explanation:
thank me later but if it wrong. sorry
A switch is a device that connects multiple computers into a network in which multiple communications links can be in operation simultaneously. True False
Answer:
True
Explanation:
A network switch is also called switching hub or a bridging hub. It is a device that connects multiple computers into a network in which multiple communications links can be in operation simultaneously. It makes use of Mac addresses in the forwarding of the data link layer (layer 2) of the OSI model. Types include managed switches, unmanaged switches, smart switches but to mention a few.
turns on her laptop and gets the error message "OS NOT FOUND." She checks the hard disk for damage or loose cable, but that is not the case. What could be a possible cause?
Select all examples of proper keyboarding technique.
Look at the keys while keyboarding.
Keep your hands higher than your elbows.
Sit up straight.
Relax your fingers.
Aim to make no mistakes.
Answer:
all except keeping your hands higher than your elbows
Answer:
Sit up straight.
Relax your fingers.
Aim to make no mistakes.
Explanation:
If a function is called more than once in a program, the values stored in the function's local variables do not _________ between function calls. g
Answer:
persist
Explanation:
Calling a function Within a program, can be regarded to as specifying of the name of the function when it is within a statement or it could be by the function itself, it possible for a particular function to call another function, in a case wherby a function returns a value, assignment or using the value to variable is not necessary. It should be noted that If a function is called more than once in a program, the values stored in the function's local variables do not persist between function calls
While your hands are on home row, both of your thumbs are on _____.
Answer:
While your hands are on home row, both of your thumbs are on Space-barI know this will definitely help✍️✍️✍️Files can be stored on hard drives, network drives, or external drives, but not in the cloud.
True
False
Folders provide a method for organizing files.
True
False
Answer: (1) False, (2) True
Explanation:
Which statement is true?
1)A deque is a type of collection,
2)A collection is a type of deque.
3)A list is a type of deque.
4)A deque is a type of list.
Answer:
1. A deque is a type of collection.
Explanation:
The statement that is true is as follows:
A deque is a type of collection.Thus, the correct option for this question is A.
What is Deque?Deque may be defined as an ordered and systematic collection of items similar to the queue. It is also known as a double-ended queue. It consists of two ends, a front, and a rear, and the items remain positioned in the collection.
According to the context of this question, a deque is a kind of collection that holds data and information identical to a queue. From here, elements can be added to or eliminated from either the front or back very efficiently.
It is also often called a head-tail linked list. Though properly this signifies specific data with appropriate structure that has been the implementation of a deque.
Therefore, a deque is a type of collection that is a true statement. Thus, the correct option for this question is A.
To learn more about Deque, refer to the link:
https://brainly.com/question/16750037
#SPJ2
What are url addresses for visiting websites? And what are the different parts of a URL? Answer it in a 1-2 paragraph
Answer:
Please read explanation
Explanation:
URL is the short form for "Uniform Resource Locator". A uniform resource locator tells the location of a website to the browser.
Parts of URL:
There are three main parts of URL
ProtocolDomain nameExtensionProtocol defines the type of protocol used for communicating with the website while the domain name is the name assigned to the IP address and the mapping is stored in domain name server and extension tells the type of website i.e.
.com means commercial
.org means non-profitable organization
.edu means educational website
An additional element is path which change with the website navigation.
