
CS- Q1 Revision
Authored by Lamia Saieed
Computers
12th Grade
Used 21+ times

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71 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is an example of binary information?
Text files
An image file
A video file
All of the above
Answer explanation
Binary information refers to data represented in a format that computers can process, which includes text files, image files, and video files. Therefore, 'All of the above' is the correct choice as they all consist of binary data.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does ASCII stand for?
American Standard Code for Information Interchange
American System Code for Interchange Information
Automated System Code for Interconnected Information
Advanced Standard Code for Internet Interchange
Answer explanation
ASCII stands for American Standard Code for Information Interchange. It is a character encoding standard used for representing text in computers and communication equipment.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the base number system used in binary code?
Base 2
Base 10
Base 16
Base 8
Answer explanation
The binary code is based on two symbols: 0 and 1. This is known as Base 2, which is the fundamental number system for binary representation, distinguishing it from Base 10 (decimal), Base 8 (octal), and Base 16 (hexadecimal).
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many bits are in a byte?
2
4
8
16
Answer explanation
A byte consists of 8 bits. This is a standard unit of digital information storage, making 8 the correct answer.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of compression in data storage?
To make data larger
To save space and reduce file size
To make data more secure
To increase the speed of data transfer
Answer explanation
The purpose of compression in data storage is to save space and reduce file size. This allows for more efficient storage and easier data transfer, making it the correct choice among the options provided.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which term refers to the smallest unit of data in a computer system?
Bit
Byte
Kilobyte
Terabyte
Answer explanation
The term 'Bit' refers to the smallest unit of data in a computer system, representing a binary value of 0 or 1. Other options like Byte, Kilobyte, and Terabyte are larger units made up of multiple bits.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In binary, what does 101 represent in decimal?
3
5
7
9
Answer explanation
To convert binary 101 to decimal, calculate: 1*(2^2) + 0*(2^1) + 1*(2^0) = 4 + 0 + 1 = 5. Thus, 101 in binary equals 5 in decimal.
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