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2025 G8 CPU Logic G Computing Unit Revision Sem 1

Total questions: 35

Worksheet time: 22mins

Name
Class
Date
1.

What is the full name of CPU ?

a)
Central Processing Unit
b)
Central Power Unit
c)
Computer Processing Unit
d)
Central Performance Unit
2.

What DECODE part of the FDE Cycle does in the system?

a)
It performs arithmetic and logical operations
b)
It fetches the instruction from memory
c)
It decodes the instruction to determine what operation to perform
d)
It stores the result of the operation in memory
3.

What does ALU stands for ?

(a)  

4.

A logical ARGUMENT has 2 parts and these are:

a)

Proposition

b)

Conclusion

c)

Comments

d)

Research

5.

Proposition and conclusion are parts of

a)

Argument

b)

Logic

c)

Comments

d)

Research

6.

(a)   of the FDE cycle decodes the instruction to determine what operation to perform

7.

Tick all states of a logic gate

a)

0

b)

1

c)

2

d)

4

e)

100

8.

(a)   part of the FDE cycle retrieves data and instructions from the memory.

9.

Look at the Logic Circuit Diagram.

Which among the choices is the correct TRUTH TABLE for OUTPUT X

a)

b)

c)

d)

10.

Look at the Logic Circuit Diagram.

Which among the choices is the correct TRUTH TABLE for OUTPUT Y

a)

b)

c)

d)

11.

Look at the Logic Circuit Diagram.

Tick all the choices that are not correct TRUTH TABLEs for OUTPUT X

a)

b)

c)

d)

12.

Look at the Logic Circuit Diagram.

Tick all the choices that are not correct TRUTH TABLEs for OUTPUT Y

a)

b)

c)

d)

13.

Look at the Logic Circuit Diagram.

Tick all the choices that are not correct TRUTH TABLEs for OUTPUT Y

a)

b)

c)

d)

14.

What FETCH part of the FDE Cycle does in the system?

a)
It retrieves data from the memory
b)
It executes the instruction
c)
It decodes the instruction
d)
It stores the result back into memory
15.

Which part of the CPU makes the computer fast?

a)
Hard Drive
b)
RAM
c)
Processor
d)
Clock Speed
16.

Is the CPU part that makes other components work properly

a)

Yes, it is the control unit part of a CPU

b)

No, it is the power supply that makes other components work

c)

No, it is the motherboard that makes other components work

d)

No, it is the RAM that makes other components work

17.

It is where data is stored in the computer

a)

Memory

b)
Monitor
c)
Keyboard
d)
Mouse
18.

Data travels in this CPU component

a)
Hard Drive
b)
RAM
c)
Bus
d)
Monitor
19.

_________ and ________ are the information stored in the memory.

a)

Data

b)

Instructions

c)

your name

d)

CPU

e)

RAM

20.

RAM is the faster storage device than the Hard drive

a)

True

b)

False

21.

What EXECUTE part of the FDE Cycle does in the system?

a)
It performs the actual operations instructed by the current instruction
b)
It fetches the next instruction from memory
c)
It decodes the current instruction into a series of hardware commands
d)
It saves the result of the current instruction
22.

(a)   part of the FDE Cycle performs the actual operations instructed by the current instruction

23.

Look at the TRUTH TABLE with its output z

Identify what Logic Gate is it for ?

a)

AND

gate

b)

NAND

gate

c)

OR

gate

d)

NOR

gate

e)

XOR

gate

24.

Look at the TRUTH TABLE with its output z

Identify what Logic Gate is it for ?

a)

AND

gate

b)

NAND

gate

c)

OR

gate

d)

NOR

gate

e)

XOR

gate

25.

Look at the TRUTH TABLE with its output z

Identify what Logic Gate is it for ?

a)

AND

gate

b)

NAND

gate

c)

OR

gate

d)

NOR

gate

e)

XOR

gate

26.

Look at the TRUTH TABLE with its output z

Identify what Logic Gate is it for ?

a)

AND

gate

b)

NAND

gate

c)

OR

gate

d)

NOR

gate

e)

XOR

gate

27.

Which Logic Gate flips the input value to an opposite value.

a)

NOT

gate

b)

NAND

gate

c)

OR

gate

d)

NOR

gate

e)

XOR

gate

28.

What Truth Table is for the Logic gate shown in the image.

a)

b)

c)

d)

e)

29.

What Truth Table is for the Logic gate shown in the image.

a)

b)

c)

d)

e)

30.

What Truth Table is for the Logic gate shown in the image.

a)

b)

c)

d)

e)

31.

What Truth Table is for the Logic gate shown in the image.

a)

b)

c)

d)

e)

32.

What Truth Table is for the Logic gate shown in the image.

a)

b)

c)

d)

e)

33.

What are the two types of storages

a)

Primary Storage
(RAM & ROM)

b)

Secondary Storage
(Hard Disk & Flash drive)

c)

Sky storage

d)

Memory storage

34.

Volatile memory is dependent to electric power, and contents are erased when power is off.

Which among the choices is/are volatile memory ?

a)

RAM

b)

ROM

c)

Hard Disk

35.

Non - Volatile memory is not dependent to electric power, and data remains in the storage memory when power is off.

Which among the choices is/are non-volatile memory ?

a)

RAM

b)

ROM

c)

Hard Disk

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