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WorksheetsEnd of Section 1 Test
Total questions: 48
Worksheet time: 24mins
What is the smallest unit of data in computing?
Byte
Kilobyte
Bit
Megabyte
How many bits make up a byte?
4 bits
10 bits
8 bits
6 bits
What does ASCII stand for?
American Standard Code for Information Interchange
American Standard Code for Internal Information
American Standard Code for Internet Interaction
Advanced Standard Code for Information Interchange
Which part of the CPU performs arithmetic and logic operations?
Arithmetic and Logic Unit
Registers
Control Unit
Data Bus
What is the purpose of the control bus in a computer system?
To carry control signals
To connect input devices
To store data
To perform calculations
What is the binary representation of the decimal number 13?
1101
1011
1110
1001
Which of the following is a non-volatile memory?
Registers
Cache Memory
RAM
ROM
What is the maximum number of characters that standard ASCII can represent?
512
64
256
128
What does a pixel represent in a digital image?
The color depth of an image
The resolution of an image
The smallest unit of a digital image
The largest unit of a digital image
Which of the following is used to represent sound in digital audio?
Frames
Bits
Pixels
Samples
What is the purpose of cache memory?
To connect input and output devices
To perform complex calculations
To provide high-speed access to frequently used data
To store data permanently
What is the binary representation of the decimal number 25?
11001
11010
11100
10101
Which of the following is a type of secondary storage?
RAM
Hard Disk Drive
ROM
Cache Memory
What is the function of the Control Unit in a CPU?
To store data temporarily
To connect to external devices
To perform arithmetic operations
To manage data flow within the CPU
How many bits are used in extended ASCII?
16 bits
32 bits
8 bits
7 bits
What is the term for a series of bits that represent data?
Bit pattern
Memory address
Byte
Data packet
Which of the following is NOT a type of memory?
RAM
ROM
Cache
Processor
What is the main function of the Arithmetic and Logic Unit (ALU)?
To store data
To perform calculations and logic operations
To manage memory
To control input and output
What does the term 'volatile' mean in relation to RAM?
It retains data without power
It is faster than ROM
It is used for permanent storage
It loses data when power is off
What is the purpose of the data bus in a computer system?
To store data
To transfer data between components
To connect input devices
To carry control signals
Which of the following represents the binary number for 'A' in ASCII?
01000001
01100001
00100001
01000010
What is the primary function of the CPU?
To store data
To connect to the internet
To perform calculations and process instructions
To display graphics
What is the hexadecimal equivalent of the decimal number 255?
FF
AA
00
1F
What is the main advantage of using binary representation?
It increases data storage capacity
It simplifies electronic circuit design
It allows for complex calculations
It is easier for humans to read
Which of the following is a characteristic of ROM?
It is volatile
It is used for temporary storage
It can be written to frequently
It retains data without power
What is the purpose of a truth table?
To summarize logical operations
To perform calculations
To represent data visually
To store binary data
What is the binary representation of the decimal number 5?
111
101
110
100
Which of the following is a type of input device?
Keyboard
Printer
Monitor
Speaker
What is the main function of secondary storage?
To manage memory
To store data permanently
To perform calculations
To store data temporarily
What is the purpose of the Fetch-Decode-Execute cycle?
To connect devices
To manage memory
To process instructions
To store data
What is the binary representation of the decimal number 0?
0010
0001
0000
00000
Which of the following is a characteristic of cache memory?
It is slow
It is large
It is high-speed
It is non-volatile
What is the main purpose of buses in a computer system?
To perform calculations
To connect components and transfer data
To manage memory
To store data
What is the binary representation of the decimal number 2?
0100
0000
0001
0010
Which of the following is NOT a type of output device?
Speaker
Printer
Keyboard
Monitor
What is the purpose of the internal clock in a CPU?
To synchronize operations
To connect devices
To manage power
To store data
What is the binary representation of the decimal number 7?
0111
1110
1101
1011
Which of the following is a characteristic of RAM?
It is slower than ROM
It is volatile
It is used for permanent storage
It is non-volatile
What is the main function of the Control Unit in a CPU?
To store data
To connect to external devices
To manage data flow
To perform arithmetic operations
What is the binary representation of the decimal number 10?
1100
1001
1110
1010
Which of the following is a type of digital audio representation?
Pixels
Bits
Samples
Frames
What is the purpose of the address bus?
To store data
To carry control signals
To carry data
To specify memory locations
What is the binary representation of the decimal number 15?
1101
1111
1011
1001
Which of the following is a characteristic of secondary storage?
It is faster than RAM
It is used for temporary storage
It is volatile
It is non-volatile
What is the main function of the Arithmetic and Logic Unit (ALU)?
To perform calculations and logic operations
To store data temporarily
To control input and output
To manage memory
What is the binary representation of the decimal number 20?
10100
10010
11000
11100
Which of the following is a type of memory that retains data without power?
Cache Memory
RAM
Registers
ROM
What is the purpose of the Fetch-Decode-Execute cycle?
To store data
To manage memory
To connect devices
To process instructions
