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WorksheetsGCSE J277 - Systems Architecture Mega Quiz
Total questions: 58
Worksheet time: 19mins
Name
Class
Date
1.
Manages basic operations of the computer. To be the ‘brains’ of the computer
a)
CPU
b)
RAM
c)
ROM
d)
Motherboard
2.
A register which keeps the address of the next instruction to be processed
a)
MAR
b)
MDR
c)
ACC
d)
PC
3.
Used to tell the CPU where to locate data in Main Memory
a)
MAR
b)
MDR
c)
ACC
d)
PC
4.
Stores the results of logic operations and calculations
a)
MAR
b)
MDR
c)
ACC
d)
PC
5.
Used to store data fetched from memory
a)
MAR
b)
MDR
c)
ACC
d)
PC
6.
Performance of a CPU: Allows multiple programs to run at the same time
a)
Multiple Cores
b)
Clock Speed
c)
Cache Size
7.
Performance of a CPU: Stores frequently used instructions and data
a)
Multiple Cores
b)
Clock Speed
c)
Cache Size
8.
Performance of a CPU: Measures the amount of FDE cycles a CPU can deal with in a second
a)
Multiple Cores
b)
Clock Speed
c)
Cache Size
9.
The final stage of the CPU cycle
a)
Fetch
b)
Decode
c)
Execute
10.
The stage of the CPU cycle where the Control Unit works out what needs to be done
a)
Fetch
b)
Decode
c)
Execute
11.
The stage of the CPU cycle where an instruction is retrieved from memory
a)
Fetch
b)
Decode
c)
Execute
12.
CPU cycle measured in millions per second
a)
Hz
b)
KHz
c)
MHz
d)
GHz
13.
CPU cycle measured in billions per second
a)
Hz
b)
KHz
c)
MHz
d)
GHz
14.
Decodes instructions. Sends signals to control how data moves around the CPU
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache
d)
Registers
15.
Responsible for performing calculations and logical comparisons
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache
d)
Registers
16.
Tiny areas of fast memory designed for a specific purpose
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache
d)
Registers
17.
Fast access memory for frequently used instructions and data
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache
d)
Registers
18.
What does CPU stand for?
a)
Computer Processing Unit
b)
Central Portable Unit
c)
Central Processing Unit
d)
Cooling Protocol Unit
19.
Which component would calculat the result of 6 * 4?
a)
Arithmetic Logic Unit
b)
Control Unit
c)
Cache
d)
Registers
20.
Which of these factors improves the performance of the CPU?
a)
A lower clock speed
b)
A lower amount of materials
c)
More Cores
d)
A smaller cache
21.
Which of these clock speeds gives the best CPU performance?
a)
1.8GHz
b)
3GHz
c)
20MHz
d)
10MHz
22.
What name is given to the cycle the CPU completes?
a)
Fetch-Execute
b)
Decode-Fetch
c)
Fetch-Decode-Execute
d)
Execute-Decode-Fetch
23.
More CPU cores will allow…
a)
Double the speed of the CPU
b)
Less tasks processed simultaneously
c)
Doubles the speed of the CPU
d)
Allows the CPU to process multiple instructions per second
24.
What is a 4 core CPU called?
a)
Dual
b)
Quad
c)
Core5
d)
Core8
25.
What is the name of the CPU register which affects performance?
a)
Cache
b)
Cash
c)
RAM
d)
SSD
26.
Increasing clock speed will…
a)
Allow more letters to be typed
b)
Allow more instructions to happen per second
c)
Slow a computer down
d)
Allow less instructions to happen per second
27.
Clock speed is…
a)
The number of instructions that a CPU can process at the same time.
b)
The number of cycles per second that a CPU can carry out.
c)
The number of processes a CPU can do at the same time
d)
How quickly the time is processed on a computer
28.
3.8GHz
a)
3.8 Billion Instructions at the same time
b)
3.8 Billion instructions per second
c)
3.8 Million Instructions at the same time
d)
3.8 Million instructions per second
29.
3.8MHz
a)
3.8 Billion Instructions at the same time
b)
3.8 Billion instructions per second
c)
3.8 Million Instructions at the same time
d)
3.8 Million instructions per second
30.
2.6MHz - Quad Core Processor
a)
2.6 Billion Instructions per second
b)
4 instructions per second
c)
2.6 Million Instructions per second, 4 instructions at the same time
d)
2.6 Million Instructions per second, 4 instructions one after the other
31.
2.6GHz - Quad Core Processor
a)
2.6 Million Instructions per second
b)
4 instructions per second
c)
2.6 Billion Instructions per second, 4 instructions at the same time
d)
2.6 Billion Instructions per second, 4 instructions one after the other
32.
What doesn't affect the performance of a CPU
a)
Clock Speed
b)
Number of Cores
c)
Cache Size
d)
The number of instructions in the program
33.
If the number of cores goes up from 1 to 2, what is the effect on performance?
a)
Decreased by a factor of 2
b)
Increased by a factor of 2
c)
Increased by a factor of 4
d)
Decreased by a factor of 4
34.
If the number of cores goes up from 1 to 4, what is the effect on performance?
a)
Decreased by a factor of 2
b)
Increased by a factor of 2
c)
Increased by a factor of 4
d)
Decreased by a factor of 4
35.
If the number of cores goes up from 2 to 4, what is the effect on performance?
a)
Decreased by a factor of 2
b)
Increased by a factor of 2
c)
Increased by a factor of 4
d)
Decreased by a factor of 4
36.
If the processing speed goes up from 1GHz to 4GHZ, what effect does it have?
a)
Performance Quadrupled
b)
Performance Doubled
c)
Performance Halved
d)
Performance Quartered
37.
Processing speed goes from 2GHz to 4GHz, cores go from 2 to 4.What is the effect?
a)
Performance Quadrupled
b)
Performance Doubled
c)
Performance Halved
d)
Performance Quartered
38.
This would reduce the number of memory/processor transfers if it was increased
a)
Arithmetic Logic Unit
b)
Accumulator
c)
Cache
d)
Control Unit
39.
Embedded Systems use CPUs to control functions related to the device they are installed on
a)
True
b)
False
40.
A washing machine is an example of an Embedded System
a)
True
b)
False
41.
A laptop is an example of an Embedded System
a)
True
b)
False
42.
A microwave is an example of an Embedded System
a)
True
b)
False
43.
A mobile phone is an example of an Embedded System
a)
True
b)
False
44.
What is an embedded system?
a)
A computer system that has many different purposes
b)
A computer system that can be upgraded
c)
A computer system that has one single purpose
d)
A computer system with an operating system
45.
What is a disadvantage of an embedded system?
a)
Low energy consumption
b)
Small size
c)
Difficult to program for
d)
Quite robust
46.
Embedded systems can be described as
a)
A simple desktop computer
b)
A low powered laptop computer
c)
A mobile phone
d)
A single chip containing only necessary components
47.
They're usually ________ systems
a)
Dedicated
b)
Desktop
c)
Decoding
d)
Database
48.
Which is a better example of an embedded system
a)
Laptop
b)
Smartwatch
49.
An embedded system doesn't need much power or...?
a)
Bandwidth
b)
Memory
c)
Debugging
d)
Monitor Size
50.
An embedded system is dedicated to a single task. What does this mean?
a)
It's code can be run on many different machines
b)
It runs many programs at once
c)
It needs a user interface
d)
It performs one function very efficiently
51.
Why does an embedded system need less main memory (RAM) than a general purpose computer?
a)
It can use cloud storage
b)
It runs only one small program
c)
It has a bigger hard drive
d)
It can be updated regularly
52.
A general-purpose computer can do which of the following, which an embedded system cannot?
a)
Save data long term
b)
Run a program
c)
Run multiple applications
d)
Control traffic lights
53.
Which type of system usually has more memory?
a)
General purpose
b)
Both about the same
c)
Embedded system
d)
Neither
54.
An embedded system runs a car's engine management system. Which is one of its input devices?
a)
Mouse
b)
Fuel pump
c)
USB port
d)
Engine temperature sensor
55.
What are the advantages of using an embedded system instead of a general purpose computer?
a)
Embedded systems run on any hardware so can be installed anywhere
b)
Embedded systems are understood by many programmers so are easy to maintain
c)
Embedded systems can run many different applications so are very versatile
d)
Embedded systems are cheaper to manufacture, smaller and more reliable
56.
Which of these is not a suitable device for an embedded system?
a)
Microwave
b)
Laptop
c)
Remote CCTV Camera
d)
Aircraft autopilot
57.
Which of these is an input device found on a set of pedestrian traffic lights?
a)
Mouse
b)
Microphone
c)
Keyboard
d)
Push Button
58.
Which of these statements is true about an embedded system?
a)
It always has a user interface
b)
It performs a single purpose
c)
It runs many different applications
d)
It is very expensive
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