WorksheetsCPU and Cache
Total questions: 14
Worksheet time: 9mins
Name
Class
Date
1.
What does CPU stand for?
a)
Control Processing Unit
b)
Central Processing Unit
c)
Central Power Unit
d)
Center Power Unit
2.
What is the main function of the CPU?
a)
To carry out processing of the data.
b)
To help with playing games.
c)
To fetch instructions from memory, decode them and execute the instructions.
d)
To heat up the computer.
3.
Which two main components make up a CPU
a)
Control unit and Processing unit
b)
Control unit and RAM
c)
Control unit and Arithmetic Logic unit
d)
Flash storage and Arithmetic Logic unit
4.
What happens at the Decode step of the fetch-decode-execute cycle?
a)
The CPU makes sense of the instructions.
b)
The CPU fetches the information from RAM.
c)
The instructions are executed.
5.
The main circuit board in the system unit is also called the
a)
Busboard
b)
Chipboard
c)
RAM
d)
Motherboard
6.
It consists of two parts:
Arithmetic part and Logic part
Arithmetic part and Logic part
a)
RAM
b)
Clock speed
c)
ALU
d)
Cache
7.
The CPU fetches instructions from.... and executes those instructions.
a)
Memory
b)
ALU
c)
ROM
d)
Input Device
8.
What is the speed of a common processor measured in?
a)
UHz
b)
Hz
c)
MHz
d)
GHz
9.
The ALU is found inside the CPU True or False?
a)
True
b)
False
10.
CPU carries out a cycle called___.
a)
Execute-decode-fetch
b)
Fetch-decode-execute
c)
Fetch-execute-decode
d)
Decode-execute-fetch
11.
What is cache memory?
a)
A very large, temporary memory
b)
A very small but expensive memory
c)
It is used to store data and programs permanently
d)
It is a type of payment
12.
Cache memory acts as a buffer between the processor and
a)
the RAM
b)
the harddrive
c)
the motherboard
d)
the user
13.
The CPU cache stores
a)
Only instructions
b)
Word documents
c)
Frequently accessed data and instructions
d)
A list of IP addresses
14.
Typical cache sizes range from about
a)
512 MB to 8 GB
b)
2000 kB to 2000 GB
c)
1 GB to 2 TB
d)
512 KB to 8 MB
100 %
