WorksheetsCPU Performance
Total questions: 19
Worksheet time: 7mins
Name
Class
Date
1.
Processors have a speed measured in (1-4)
a)
Bits
b)
Seconds
c)
Bytes
d)
Hertz
2.
Data and Instructions in use are stored in the: (1-4)
a)
Hard Disk Drive
b)
Processor
c)
Main Memory
d)
Embedded System
3.
Typical processor speed of 2016: (1-4)
a)
4GHz
b)
16Hz
c)
100MHz
d)
300GHz
4.
What doesn’t affect the performance of the computer (1-4)
a)
Number of Cores
b)
Clock Speed
c)
Cache Size
d)
The number of instructions in the program
5.
If the number of cores goes up from 2 to 4 – what is the exact effect on performance? (1-4)
a)
The maximum number of instructions executed per second is halved
b)
The maximum number of instructions executed per second doubles
c)
Performance decreases
d)
The maximum number of instructions executed per second quadruples
6.
If the processing speed goes up from 1GHZ to 4GHZ – what is the exact effect on the performance of the computer? (1-4)
a)
The maximum number of instructions executed per second quadruples
b)
The maximum number of instructions executed per second is halved
c)
The maximum number of instructions executed per second doubles
d)
The maximum number of instructions executed per second is quartered
7.
If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 2 to 4 – what is the exact effect on the performance of the computer? (5-6)
a)
The maximum number of instructions executed per second doubles
b)
The maximum number of instructions executed per second quadruples
c)
The maximum number of instructions executed per second is quartered
d)
The maximum number of instructions executed per second is halved
8.
If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor – what is the exact effect on the performance of the computer? (5-6)
a)
The number of instructions executed per second is halved
b)
The number of instructions executed per second doubles
c)
The number of instructions executed per second stays the same
d)
The number of instructions executed per second quadruples
9.
Firmware in which software and hardware are integrated on a circuit board is often used in what type of system? (5-6)
a)
Point of Sales System
b)
Desktop System
c)
Operating System
d)
Embedded System
10.
Which is an example of an Embedded System: (1-4)
a)
Laptops
b)
Washing Machine
c)
PCs
d)
Tablets
11.
Processors don’t do the following (1-4)
a)
Operate in Hz
b)
Process Data
c)
Execute Instructions
d)
Execute Data
12.
The part of a processor in which instructions are executed is known as? (1-4)
a)
Instruction Centre
b)
Execution
c)
Core
d)
Centre
13.
What acts as an intermediary between the processor and the Main Memory? (6-9)
a)
Clock
b)
Bus
c)
User
d)
Cache
14.
What is held in cache? (5-6)
a)
Instructions that have been processed
b)
Data that hasn’t been used for a long time
c)
Commonly used instructions and data
d)
All of the programming instructions
15.
Moore’s Law? (7-9)
a)
Predicted that the number of transistors on a circuit board would double ever year
b)
The performance increase of computers would eventually halt in 2020
c)
That the number of cores on a processor would double every year
d)
Computers would be capable of thinking and learning for themselves by 2020
16.
If the processing speed goes up from 2GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer? (5-6)
a)
Quadrupled
b)
Eight Times faster
c)
Doubled
d)
Sixteen times faster
17.
If the processing speed goes up from 2GHZ to 4GHZ and the numberof cores goes from 1 to 4 – what is the exact effect on the performance of thecomputer? (5-6)
a)
Eight Times faster
b)
Quadrupled
c)
Sixteen times faster
d)
Doubled
18.
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 2 – what is the exact effect on the performance of the computer?(5-6)
a)
Sixteen times faster
b)
Quadrupled
c)
Eight Times faster
d)
Doubled
19.
If the processing speed goes up from 1GHZ to 4GHZ and the number of cores goes from 1 to 8 – what is the exact effect on the performance of the computer? (5-6)
a)
Eight Times faster
b)
Thirty Two times faster
c)
Sixty Four times faster
d)
Sixteen times faster
100 %
