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WorksheetsTechnology Systems (Learning Aim B)
Total questions: 15
Worksheet time: 5mins
Name
Class
Date
1.
What is the primary purpose of the CPU?
a)
To store data permanently
b)
To perform arithmetic and logic operations
c)
To execute instructions and process data
d)
To manage input and output devices
2.
Which component of the CPU directs the flow of instructions and data?
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache Memory
d)
Program Counter
3.
What is the role of the Arithmetic Logic Unit (ALU)?
a)
Storing frequently used instructions
b)
Performing calculations and logical comparisons
c)
Managing the system clock speed
d)
Fetching data from storage
4.
What is cache memory used for?
a)
Long-term storage of files
b)
Temporary storage for frequently accessed data
c)
Managing system input and output
d)
Saving files permanently
5.
How is RAM different from ROM?
a)
RAM is volatile, and ROM is non-volatile
b)
RAM stores data permanently, ROM does not
c)
ROM can be written to, but RAM cannot
d)
ROM is faster than RAM
6.
What does "volatile" mean in computing?
a)
Memory that can only be read, not written
b)
Data is erased when power is turned off
c)
Data is stored permanently
d)
Memory that processes data faster
7.
Which of the following represents both reading and writing in a computer?
a)
Receiving data from a keyboard
b)
Saving a document to a hard drive
c)
Playing a music file
d)
Displaying an image on a monitor
8.
Which type of storage uses spinning disks to store data?
a)
Solid-state drives
b)
Flash drives
c)
Optical discs
d)
Magnetic hard drives
9.
What is the function of the Memory Data Register (MDR)?
a)
To store the address of data to be accessed
b)
To hold data that is being transferred
c)
To perform arithmetic operations
d)
To manage the control signals
10.
What does the control bus do?
a)
Carries memory addresses
b)
Transfers data between components
c)
Sends commands to control devices
d)
Transfers electrical power to components
11.
Which internal component prevents the CPU from overheating?
a)
PSU
b)
GPU
c)
Flash Memory
d)
Heatsink and Fan
12.
What is the correct order of storage units from smallest to largest?
a)
Bit, Byte, Kilobyte, Megabyte, Terabyte, Gigabyte, Petabyte
b)
Bit, Byte, Kilobyte, Megabyte, Gigabyte, Terabyte, Petabyte
c)
Byte, Bit, Kilobyte, Megabyte, Terabyte, Gigabyte, Petabyte
d)
Byte, Bit, Megabyte, Kilobyte, Gigabyte, Petabyte, Terabyte
13.
How is sound converted into a digital format?
a)
Using a DAC
b)
Increasing the sample rate
c)
Using an ADC
d)
Adjusting the bit depth
14.
What does "bit depth" refer to in sound representation?
a)
The number of samples per second
b)
The size of each sound sample
c)
The frequency of the sound waves
d)
The time taken to process the audio
15.
Which of the following improves the quality of digital sound?
a)
Lowering the sample rate
b)
Increasing the bit depth and sample rate
c)
Reducing the number of channels
d)
Using analogue storage instead of digital
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