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WorksheetsSystems architecture, memory and storage
Total questions: 55
Worksheet time: 39mins
Name
Class
Date
1.
What is the purpose of the CPU?
a)
To process all the data and instructions.
b)
To turn the computer on.
c)
To create PowerPoint presentations.
d)
To provide power to the computer.
2.
What is the main function of the CPU?
a)
To carry out processing of the data.
b)
To help with playing games.
c)
To fetch instructions from memory, decode them and execute the instructions.
d)
To heat up the computer.
3.
What is the job of the control unit?
a)
It carries out calculations
b)
It stores information.
c)
It does nothing.
d)
It controls the input and output of data to make sure that it gets to the right place.
4.
What are the two other parts of the CPU that you learned?
a)
RAM & ROM
b)
Hard Drive & Motherboard
c)
The ALU and Cache
5.
What happens at the Decode step of the fetch-decode-execute cycle?
a)
The CPU makes sense of the instructions.
b)
The CPU fetches the information from RAM.
c)
The instructions are executed.
6.
What is the program counters job?
a)
To count the programs
b)
It contains the memory address of the next instruction to be loaded
c)
It stores instructions
d)
It carries out the calculations
7.
Which of the following CPU's will have a better better performance:
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
a)
A
b)
B
8.
How does clock speed affect computer performance?
a)
The higher the clock speed the slower the computer will run.
b)
It improves the amount you can store on the computer.
c)
The higher the clock speed the better the performance.
d)
It will make loading program slower
9.
The Accumulator is a type of what?
a)
Register
b)
Buffer
c)
RAM
d)
Cache
10.
What components make up the Von Neumann Architecture?
a)
Memory unit, modem, router, Graphics/Sound card
b)
Input/output device, mother board , power supply
c)
Input device, memory unit, ALU, output device ,
d)
Peripherals, Optical drive, network card
11.
Which of these buses is bi-directional?
a)
Data Bus
b)
Control Bus
c)
Address Bus
d)
Cache Bus
12.
Which bus is used to send read and write signals to a storage device such as a HDD?
a)
Control Bus
b)
Data Bus
c)
Address Bus
d)
I/O Bus
13.
Which of the following is not a register?
a)
CU
b)
MAR
c)
MDR
d)
PC
14.
Who developed the idea of a stored program computer and modern computer architecture?
a)
John Von Neumann
b)
Bill Gates
c)
Steve Jobs
d)
Tim Berners-Lee
15.
The part of the CPU that gets instructions from the memory is...
a)
Storage
b)
Fetch
c)
Decode
d)
Execute
16.
The part of the CPU that carries out instructions is...
a)
Storage
b)
Fetch
c)
Decode
d)
Execute
17.
A device that sends data into the computer is called...
a)
Input
b)
Process
c)
Output
d)
Storage
18.
A device that displays/sends data out of the computer is called...
a)
Input
b)
Process
c)
Output
d)
Storage
19.
Clock Speed means...
a)
How many cycles it does in a second
b)
How many cycles it does in a minute
c)
How many cycles it does in a hour
d)
How many cycles it does in a day
20.
What is an embedded system?
a)
Computers embedded into computers
b)
Computers built into other devices
c)
Computers that sleep
d)
Micro computers
21.
Which device does not use an embedded system?
a)
Dishwasher
b)
Washing machine
c)
Radiator
d)
Microwave
22.
A clock speed of 3MHz means how many clock cycles per second are being carried out?
a)
300
b)
3000
c)
3 million
d)
3 billion
23.
Why is Virtual Memory needed in a computer system?
a)
When several programs run at the same time, the RAM can be full. Instead of closing programs the Operating system uses virtual memory to store some data.
b)
It stores the data of the operating system and programs that are currently running, for access by the CPU.
24.
Stores instructions for the computer to start up
a)
RAM
b)
ROM
25.
What can effect the running of the CPU?
a)
How much RAM there is
b)
How quick the programs are
c)
How big the hard drive is
d)
What hardware is attached
26.
My job is to load up the computer. What am I?
a)
RAM
b)
ROM
27.
My job is to store programs, applications, and data that are being used by the computer. What am I?
a)
ROM
b)
RAM
28.
Virtual memory typically uses two storage devices, RAM and ______________.
a)
the hard drive
b)
ROM
c)
a secondary piece of RAM
d)
a CD-ROM
29.
Virtual memory is used
a)
when the RAM is not enough to contain all of the programs and data currently being used
b)
every other time a program is used
c)
as a secondary storage medium for long term storage of documents
d)
when the CPU is getting overheated
30.
If a program is stored in virtual memory, it needs to be put back onto the RAM before it can be used again.
a)
TRUE
b)
FALSE
31.
Flash memory is a non-volatile storage medium.
a)
True
b)
False
32.
Flash memory storage is widely used in mobile phones, digital cameras, mp3 players, computers and tablets.
a)
True
b)
False
33.
Flash memory will lose the stored data if it is not connected to a power source.
a)
True
b)
False
34.
What is the main purpose of RAM?
a)
To store calculations only
b)
To store the boot program
c)
To store any programs and data currently in use
d)
To store programs and data while the computer is switched off
35.
What is the main purpose of ROM?
a)
To read information
b)
To store programs and data currently in use
c)
To store programs and data
d)
To store the boot program
36.
What does RAM stand for?
a)
Random Access Memory
b)
Random Accumulator Memory
c)
Register Access Memory
d)
Reloaded Access Memory
37.
What does the term volatile mean in relation to memory?
a)
All content is stored even when power is switched off
b)
There is a danger of fire
c)
All content is lost when power is switched off.
d)
All information and programs are permanently stored
38.
What is a drawback of using virtual memory?
a)
It is very fast memory
b)
It can permanently store programs
c)
It slows the computer down significantly
d)
It speed the computer up
39.
What are the two types of RAM?
a)
Fast RAM and slow RAM
b)
DRAM and SRAM
c)
Big RAM and small RAM
d)
Cache and Flash
40.
What is cache memory?
a)
It is used to permanently store data and programs
b)
It is used to store numbers
c)
It is used between the RAM and CPU to improve performance by holding data that has just been or is about to be processed.
d)
It is used to store letters
41.
Which one of the following is an example of flash memory?
a)
Hard Disk Drive
b)
DVD Disc
c)
USB Pen Drive
d)
RAM
42.
An example of optical media is?
a)
SSD
b)
hard drive
c)
CD
d)
Form
43.
Which type of media storage has no moving parts
a)
Solid state
b)
Magnetic
c)
optical
44.
What is this?
a)
SSD Drive
b)
CD
c)
Hard drive
d)
Form
45.
Which storage media is the most robust?
a)
Paper
b)
Optical
c)
Solid State
d)
Magnetic
46.
What is a HDD made up of?
a)
Spindle, Arm, Head, Platter, Actuator
b)
Spindle, Arm, Leg, Head, Disk
c)
Disk, Head, Arm, Magnet, Spindle
d)
None of the Above
47.
If a device does not require power to store and hold onto its data it is referred as.....
a)
unpowered
b)
nonpowered
c)
nonvolatile
d)
volatile
48.
Binary is a base two number system. What does this mean?
a)
That there are 10 possible states (0-9)
b)
That there are 16 possible states (0-9 and A-F)
c)
That there are 2 possible states (0 or 1)
d)
That the computer can only understand letters
49.
What is the smallest unit of data in binary?
a)
A nibble
b)
A byte
c)
A bit
d)
A letter
50.
How many bits are in a byte?
a)
2
b)
0
c)
8
d)
4
51.
What is a nibble?
a)
Half a bye (4 bits)
b)
8 bits
c)
1 bit
d)
Something to eat
52.
What is a gigabyte (GB)?
a)
8 bits
b)
1024 kilobytes (KB)
c)
1024 bytes (B)
d)
1024 megabytes (MB)
53.
What will this binary number be in denary (normal number)?
a)
130
b)
128
c)
2
d)
64
54.
What is 40 as an 8 bit binary number? Use the grid to help you.
a)
0 0 1 0 1 0 0 0
b)
0 0 0 0 0 0 0 0
c)
1 0 0 0 0 0 0 0
d)
0 1 1 1 1 1 1 1
55.
What is the answer if you add these binary numbers together?
a)
1 1 1 0
b)
0 0 0 1
c)
0 0 0 1
d)
1 1 1 1
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