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Computer Systems - CPU

Total questions: 17

Worksheet time: 9mins

Name
Class
Date
1.
What does CPU stand for?
a)
Central Processing Unit
b)
Computer Protocol User
c)
Cool Pokemon Unit
d)
Computer Processing Unit
2.
Bob has a 1GHZ dual core CPU, Amy has a 2GHZ single core CPU. Which can process more instructions per second?
a)
Bob
b)
Amy
c)
Equal
d)
Neither can process anything
3.
Which of the following adjustments to an internal component could improve the performance of a CPU?
a)
Add more cores
b)
Decrease the cache
c)
Get a bigger motherboard
d)
Remove the OS
4.
What happens if you increase the clock speed?
a)
CPU can process instructions quicker
b)
CPU can process more instructions at the same time
c)
CPU will explode
d)
CPU processes too fast for the cache to handle
5.
What happens if you increase the number of cores
a)
CPU can process instructions quicker
b)
CPU can process more instructions at the same time
c)
CPU will explode
d)
CPU processes too fast for the cache to handle
6.

Which of these are not steps in the FDE cycle?

a)

Instructions are fetched from main memory

b)

Instructions are decoded in the control unit

c)

The decoded instruction is executed

d)

The ALU decodes the instructions

e)

The program counter transfers the data to be decoded to the MDR

7.

Which of the following has the largest memory?

a)

RAM

b)

Cache

8.

Which of the following is the fastest memory?

a)

RAM

b)

Cache

9.
Which component would calculate the result of 6 * 4?
a)
Accumulator
b)
ALU
c)
Control Unit
d)
MAR
10.

Which of the following are not secondary storage devices?

a)

Hard Drive

b)

USB Stick

c)

CD

d)

RAM

e)

Registers

11.
The CPU carries out:
a)
decode-fetch-execute cycle
b)
execute-decode-fetch cycle
c)
fetch-decode-execute cycle
12.
The clock speed, number of processor cores and cache size all affect CPU performance
a)
True
b)
False
13.
CPU stands for:
a)
Central Processing Unit
b)
Computer Processing Unit
c)
Central Processer User
14.

The chap who came up with the design in 1945 that shows how computers work...

a)

Von Neuman

b)

Van Neumann

c)

Van Neuman

d)

Von Neumann

15.

RAM is

a)

Volatile

b)

Non-Volatile

16.

ROM

a)

Read-only

b)

Temporary memory

c)

can be written to

d)

loads information

17.

What factors affect the CPU?

a)

RAM and ROM

b)

Storage clogging up

c)

Clock speed, Cores, Cache size, Cache Type, RAM

d)

Cookies

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