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WorksheetsCS 1.1 System Architecture 1
Total questions: 22
Worksheet time: 12mins
Name
Class
Date
1.
Where are data and instructions stored on a computing device?
a)
SSD drive
b)
CPU memory
c)
ROM
d)
Hard disk drive
2.
The CPU is made up of several parts. What does ALU stand for?
a)
Addition Logic Unit
b)
Arithmetic Logic Unit
c)
Arithmetical Logical Unit
d)
Analogue Logic Unit
3.
The CPU is made up of several parts. What does MAR stand for?
a)
Memory Address Register
b)
Machine Address Register
c)
Memory Application Register
d)
Memory Address Record
4.
A CPU can contain more than one processing unit. What is each unit called?
a)
A CPU
b)
A core
c)
Cache
d)
A register
5.
Which of the CPUs below will have the highest performance?
a)
3.2 GHz Dual Core CPU
b)
3.2 GHz Quad Core CPU
c)
3.0 GHz Dual Core CPU
d)
4.2 GHz Single Core CPU
6.
What is cache memory?
a)
Memory that is part of the main memory
b)
Another word for ROM memory
c)
Another word for RAM memory
d)
A very small and fast memory located near the CPU.
7.
Which diagram below shows the correct order of what the CPU does with data
a)
Add answer 1
b)
Add answer 2
c)
Add answer 3
8.
What are the tasks that the control unit carries out?
a)
The control unit controls the flow of data within the system
b)
Fetches data and instructions, decodes it and sends signals via buses to the hardware component
c)
To store the address location of the next instruction to be executed
d)
All of these
9.
Select three components of the CPU from the choices below.
(You must select all three to get the mark)
a)
Arithmetic Logic Unit (ALU)
b)
Program Counter (PC)
c)
Memory Address Register (MAR)
d)
Division Access Register (DAR)
10.
How many levels of cache memory are there in a CPU
a)
1.0
b)
2.0
c)
3.0
d)
4.0
11.
The most common architecture used in modern computers is known as...
a)
Von Neumann Architecture
b)
Von Newman Architecture
c)
Linux
d)
Windows
12.
If the number of cores increased from 2 to 4, what is the effect on performance?
a)
The maximum number of instructions executed per second will stay the same
b)
The maximum number of instructions executed per second will halve
c)
The maximum number of instructions executed per second will quadruple
d)
The maximum number of instructions executed per second will double
13.
What is the purpose of the accumulator?
a)
Holds memory addresses of instructions for each cycle.
b)
Holds any memory address about to be used by the CPU
c)
Stores intermediate results of calculations
d)
Holds data and instructions
14.
What does the Arithmetic Logic Unit (ALU) do?
a)
Holds the memory address of the next instruction that will be executed
b)
Accumulates instructions of running programs
c)
Performs mathematical and logical calculations such as addition, subtraction and Boolean
15.
Which part of the CPU would perform an operation such as 2+7?
a)
Arithmetic Logic Unit (ALU)
b)
Accumulator
c)
Cache
d)
Program counter
16.
The speed of a Central Processing Unit (CPU) is measured in:
a)
Miles
b)
Hertz
c)
Gigahertz
d)
Nibbles
17.
How does clock speed affect the performance of a computer?
a)
A higher clock speed will improve performance
b)
More space will be available in RAM
c)
THe Hard Disk Drive will work faster
d)
Wi-Fi will work faster
18.
Which feature below best describes cache memory in the CPU
a)
It is used as part of the boot-up sequence
b)
Very fast
c)
Non-volatile
d)
It is a type of volatile memory that stores the operating system
19.
Which of these is an embedded system?
a)
Smart watch
b)
Smart phone
c)
Laptop
d)
Washing machine
20.
What is the definition of an embedded system?
a)
An embedded sytem is a computer system that has a dedicated function within a larger system
b)
An embedded sytem is a program that is used to communicate with users on Social Media
c)
An embedded sytem is a piece of software used to defragment a hard disk
d)
An embedded sytem is an operating sytem used by a laptop computer
21.
What are two advantages of an embedded system?
a)
Cheap to produce
b)
They are resistant to hacking
c)
Easy to design
d)
Can be easily updated
22.
Select three components of the CPU from the choices below
a)
Arithmetic Logic Unit (ALU)
b)
Program Counter (PC)
c)
Memory Address Register (MAR)
d)
Division Access Register (DAR)
Reset
