1.1 Systems Architecture Pre Exam
Authored by Ian Currie
Computers
10th - 12th Grade
Used 54+ times
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31 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ann wants to purchase a new computer and is looking at two models. The specification of the CPU in each computer is shown in Fig. 1.
Computer 1:
Clock Speed: 1 GHZ
Cache size: 2 MB
Number of Cores: 4
Computer 2:
Clock Speed: 1.4 GHz
Cache Size: 2 MB
Number of Corse: 2
When running a 3D flight simulator, Computer 1 is likely to run faster than Computer 2.
Using the information in Fig. 1, identify one reason for this.
It has more cores
It has a large cache
It has a higher clock speed.
2.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Ann wants to purchase a new computer and is looking at two models. The specification of the CPU in each computer is shown in Fig. 1.
Computer 1:
Clock Speed: 1 GHZ
Cache size: 2 MB
Number of Cores: 4
Computer 2:
Clock Speed: 1.4 GHz
Cache Size: 2 MB
Number of Corse: 2
When running a 3D flight simulator, Computer 1 is likely to run faster than Computer 2.
Which two answers best explains why the cache size affects the performance of the CPU.
Answers: 2
It is faster to transfer to and from cache
...than transferring to and from RAM
data is transferred faster ...
...which makes a CPU more efficient
data is transferred slower ...
...which makes a CPU more less efficient
It is faster to transfer to and from RAM
...than transferring to and from Cache
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Identify three events that take place during the fetch-execute cycle.
Answers: 3
An instruction is fetched from memory
The instruction is then decoded
The decoded instruction is then executed
The decoded data is executed
An instruction is fetched from secondary storage
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gareth has a satellite navigation system (Sat Nav) which contains an embedded system.
Define what is meant by an 'embedded system'.
A computer system that is built into another device
A device built into another computer system
A device built into another device
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Identify three devices, other than a Satellite Navigation system, that contain embedded systems.
Answers: 3
Dishwasher
MP3 player
Washing machine
Laptop
Smart Phone
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
CPU stands for Central Processing Unit.
True
False
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The CPU fetches and decodes instructions.
True
False
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