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WorksheetsData Manipulation
Total questions: 10
Worksheet time: 10mins
1. What is the main function of the ALU (Arithmetic Logic Unit) in a computer's CPU?
a) To store data
b) To perform arithmetic and logic operations
c) To control the flow of information in the system
d) To handle input and output operations
2 . What is a bit?
a) A type of software
b) A small piece of information (0 or 1)
c) A part of a computer case
d) A unit of measurement for speed
3. What do registers do in a CPU?
a) Store data temporarily
b) Print documents
c) Connect to the internet
d) Play games
4. Which language is easier for humans to read?
a) Machine language
b) Assembly language
5. How many bits are in a byte?
a) 4
b) 8
c) 16
d) 32
6. What system do computers use to store data?
a) decimal
b) hexadecimal
c) binary
d) octal
7. Why do programmers use hexadecimal numbers?
a) They are longer than binary
b) They are easier to read than binary
c) They are used for graphics only
d) They are faster for the CPU
8. What does the control unit do?
a) Stores data
b) Executes programs
c) Directs the operation of the CPU
d) Cleans the computer
9) What is the fetch-decode-execute cycle?
a) A way to restart the computer
b) The process a CPU uses to run instructions
c) A method to save files
d) A way to connect to Wi-Fi
10. What do bitwise operations do?
a) Add numbers
b) Change the color of text
c) Work with individual bits in binary
d) Save files to a disk
