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computer architecture -CPU

Total questions: 20

Worksheet time: 16mins

Name
Class
Date
1.
What is a bus?
a)
A circuit that connect one part of CPU to other components.
b)
A type of long term memory
c)
A type of permanent memory
d)
A method of transport
2.
How does clock speed affect computer performance?
a)
The higher the clock speed the slower the computer will run.
b)
It improves the amount you can store on the computer.
c)
The higher the clock speed the better the performance.
d)
It will make loading program slower
3.
CPU cache has lower access time than RAM
a)
true
b)
FALSE
4.
Which of the following is a job of the control unit?
a)

To start up the computer

b)

To manage and control the fetch + decode cycle

c)
To create presentations
d)

To carry out calculation

5.
Which of the following is an example of 'main memory'.
a)
Hard Drive
b)
USB Drive
c)
RAM
d)
ROM
6.
Having a larger cache size on the CPU can improve the performance of the computer.
a)
true
b)
FALSE
7.
1.1 b 
Which statement is TRUE?
a)
Registers are super fast memory, stores tiny instructions which can be accessed by the CPU quickly
b)
Registers are super fast memory, stores lots of instructions which can be accessed by the CPU slowly
8.
What are the 3 parts of the Von Neumann computer architecture?
a)
Processor (CU & ALU), Memory Unit & Input/Output
b)
Processor, RAM & ROM
c)
Processor, RAM & Hard Disk
d)
Memory (CU & ALU), Hard Disk & Input/Output
9.
Which of these is not a bus within the computer?
a)
I/O Bus
b)
Address Bus
c)
Data Bus
d)
Control
10.

What is a program counter (PC)?

a)
A binary machine code instruction
b)

A memory instruction

c)

Stores memory address of the next instruction

11.
What happens at the Decode step of the fetch-decode-execute cycle?
a)

The CU decodes instructions with the help of ALU

b)
The CPU fetches the information from RAM.
c)

The instructions are executed and store.

12.

What type of Register that utilised for storing the result of an operation when it is also used as input for the next operation.

a)
Memory data register
b)
Memory address register
c)
Accumulator
d)
Current instruction register
13.
________________programs that control or maintain the operations of the computer and its devices.
a)
Software
b)
System Software
c)
Application software
d)
Utility program
14.

which is a form of permanent memory that holds all the instructions the computer needs to start up and does not get erased when the power is turned off.

a)

RAM

b)

The Network Interface Card (NIC)

c)

The CUP

d)

ROM

15.

Data Bus: The data bus is responsible for transmitting data between the CPU, memory, and peripheral devices.

a)

True

b)

False

16.

To reduce the memory access time we generally make use of ______

a)

Heaps

b)

Higher capacity RAM’s

c)

SDRAM’s

d)

Cache’s

17.
The main circuit board in a computer is called the ________.
a)
RAM
b)
dongle
c)
motherboard
d)
 power supply unit
18.
What does CPU stand for?
a)
Central Program Unit
b)
Central Processing Unit
c)
Computer Program Unit
d)
Computational Pink U
19.
What does the CU do?
a)
controls the flow of data within the CPU
b)
It controls the input and output of data so that the signals go to the right place at the right time
c)
It controls and monitors the hardware attached to the system
d)
All of the above
20.
What is this process called:
The CPU makes sense of the instruction it has just fetched.
a)
Decode
b)
Execute
c)
Process
d)
Fetch

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