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Worksheets4.2 Computers - Hardware
Total questions: 120
Worksheet time: 59mins
Name
Class
Date
1.
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.
2.
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.
3.
What are the two other parts of the CPU that you learned?
a)
RAM & ROM
b)
Hard Drive & Motherboard
c)
The ALU and Cache
4.
Which level of cache is the fastest but has the smallest capacity?
a)
Level 1
b)
Level 2
c)
Level 3
d)
Level 4
5.
What are registers used for?
a)
To check that students are in school.
b)
To temporarily hold bits of data needed by the CPU.
c)
To make sure that the CPU runs properly.
d)
To make the CPU faster.
6.
What is the main function of the boot program?
a)
To load programs that are being used.
b)
To shut the computer down.
c)
To get the computer up and running and get the operating system loaded.
d)
To load Microsoft Office.
7.
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.
8.
What does CPU stand for?
a)
Control Processing Unit
b)
Central Processing Unit
c)
Central Power Unit
d)
Center Power Unit
9.
Which of the following is an example of 'main memory'.
a)
Hard Drive
b)
USB Drive
c)
RAM
d)
ROM
10.
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
11.
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
12.
What is a bus?
a)
A circuit that connect one part of CPU to other components.
b)
A type of long term memory
c)
A type of permanent memory
d)
A method of transport
13.
What is cache memory?
a)
A very large, temporary memory
b)
A very small but expensive memory
c)
It is used to store data and programs permanently
d)
It is a type of payment
14.
How can a bigger cache improve CPU performance?
a)
By being able to carry out more calculations
b)
By being able to store more recently used instruction inside the CPU for quicker access times
c)
By being able to
15.
Information used by the CPU is loaded first in
a)
ROM
b)
RAM
c)
CMOS
d)
Register
16.
The main circuit board in the system unit is also called the
a)
Busboard
b)
Chipboard
c)
RAM
d)
Motherboard
18.
Carries out the calculations and logical decisions. The results of its calculations are stored in the accumulator.
a)
CPU
b)
Control Unit
c)
Arithmetic and Logic Unit
d)
Memory Address Register
18.
Carries out the calculations and logical decisions. The results of its calculations are stored in the accumulator.
a)
CPU
b)
Control Unit
c)
Arithmetic and Logic Unit
d)
Memory Address Register
19.
The correct order is
a)
Fetch, Decode, Execute
b)
Decode, Execute, Fetch
c)
Execute, Decode, Fetch
d)
Decode, Fetch, Execute
20.
Instructions are fetched from main memory
a)
True
b)
False
21.
Which part of the fetch execute cycle involves retrieving an instruction from a memory address
a)
Fetch
b)
Execute
c)
Decode
22.
Which part of the fetch execute cycle involves the CPU identifying the operation code (op-code) part of the instruction which
a)
Decode
b)
Fetch
c)
Execute
23.
Which part of the fetch execute cycle links together the parts of the CPU that are needed to carry out the instruction.
a)
Execute
b)
Decode
c)
Fetch
24.
Typical processor speed of 2016: (1-4)
a)
16Hz
b)
100MHz
c)
4GHz
d)
300GHz
25.
Data and instructions are stored in the (1-4)
a)
Processor
b)
Embedded System
c)
Hard Disk Drive
d)
Main Memory
26.
What is held in ROM? (1-4)
a)
Data currently in use
b)
Bootstrap Loader
c)
Instructions frequently used
d)
Operating System
27.
What doesn’t affect the performance of the computer (1-4)
a)
Clock Speed
b)
Number of Cores
c)
Cache Size
d)
The number of instructions in the program
28.
If the number of cores goes up from 2 to 4 – what is the exact effect onperformance? (1-4)
a)
Performance decreases
b)
The maximum number of instructions executed per second doubles
c)
The maximum number of instructions executed per second quadruples
d)
The maximum number of instructions executed per second is halved
29.
Which is an example of an Embedded System: (1-4)
a)
Laptops
b)
Tablets
c)
PCs
d)
Washing Machine
30.
What doesn't Affect the performance of the CPU
a)
Clock Speed
b)
Cache Size
c)
Cores
d)
Fetch Decode Execute Cycle
31.
Stores instructions for the computer to start up
a)
RAM
b)
ROM
32.
Stores applications that are currently in use E.g. Word or Internet Explorer
a)
RAM
b)
ROM
33.
Is Volatile
a)
RAM
b)
ROM
34.
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
35.
ROM is volatile
a)
FALSE
b)
TRUE
36.
RAM is volatile
a)
TRUE
b)
FALSE
37.
BIOS stands for ________
a)
Basic Information Output System
b)
Basic Information Output Setup
c)
Basic Input Output System
d)
Basic Input Output Setup
38.
RAM stands for ________
a)
Rapid Access Memory
b)
Random Awareness Memory
c)
Rapid Awareness Memory
d)
Random Access Memory
39.
_________ is the brain of the computer and affects the overall performance fo the computer
a)
CPU
b)
Hard Disk
c)
RAM
d)
ROM
40.
_______ stores all of your files including movies, word documents, and music files
a)
RAM
b)
CPU
c)
Hard Disk
d)
ROM
41.
The computer uses the _________ to store temporary information that is being created and used by open programs
a)
RAM
b)
ROM
c)
Hard Disk
d)
CPU
42.
RAM is an example of computer software
a)
True
b)
False
43.
Which component receives its instructions directly from the RAM?
a)
Motherboard
b)
CPU
c)
BIOS
d)
Hard DRive
44.
What can you do to allow more programs to be run on your computer?
a)
Increase RAM
b)
Upgrade Motherboard
c)
Increase hard drive space
d)
Install a heatsink
45.
Optical device, fairly fragile, easy to snap or scratch.
a)
Flash memory
b)
Magnetic Tape
c)
CD
d)
Hard disk
46.
This storage device needs a computer with a specific drive in order to read the disk. Cannot be read by a CD drive or DVD drive. Used for high definition films.
a)
Blu-ray
b)
CD
c)
DVD
d)
Bluetooth
47.
Not intended to be a portable storage device.
a)
CD
b)
Flash memory
c)
DVD
d)
Internal hard disk
48.
Same as 1,024 GB
a)
1 TB
b)
1 GB
c)
1MB
d)
1 KB
49.
Large organisations use this type of storage device to back up their systems daily.
a)
CD
b)
DVD
c)
Blu-ray
d)
Magnetic tape
50.
Very portable as it is designed to be fitted into small electronic devices.
a)
Flash memory devices
b)
Internal hard disk
c)
Magnetic tape
d)
Server
51.
The most durable storage device as it has not moving parts
a)
Solid State Storage
b)
Magnetic Storage
c)
Optical Storage
52.
C-Drive is an example of ---------------------
a)
internal storage device
b)
external storage device
53.
------------------------------- is an example of external storage device
a)
CD
b)
C-drive
54.
storage device is very importance because --------
a)
it used to store data
b)
it used to play games
c)
not important
55.
which one is not a storage device?
a)
RAM
b)
PRINTER
c)
DVD
d)
FLOPPY DISK
56.
What is the storage device in the figure?
a)
SIM CARD
b)
MEMORY CARD
c)
USB
d)
FLOPPY DISK
57.
What is the storage device in the figure?
a)
SPEAKERS
b)
NETWORK ACCESS SERVER (NAS)
c)
NORMAL BOX
d)
MICROWAVE OVEN
58.
What is the storage device in the figure?
a)
LAPTOP
b)
SMARTPHONE
c)
PORTABLE HDD
d)
is something that does not exist
59.
What is the device in the figure?
a)
its a kind of output device
b)
is an input device
c)
it is a Ram
d)
is a type of usb
60.
What is the storage device in the figure?
a)
Hard disc drive
b)
dvd
c)
solid state drive (ssd)
d)
floppy disk
61.
A hard drive is a type of primary storage.
a)
False
b)
True
62.
RAM is a type of primary storage
a)
True
b)
False
63.
What does the tem 'read/write time' refer to
a)
How long it takes for data to be read of written to the device
b)
How long it takes a person to read/write a word document
c)
The amount of data to be stored on the device
d)
How long the storage media can reasonably be expected to last
64.
What type of storage device is an SSD?
a)
Secondary
b)
Primary
65.
Which one of these devices is solid state?
a)
USB flash memory
b)
CD
c)
DVD
d)
Magnetic stripe
66.
Which one of these devices is optical?
a)
CD
b)
SSD
c)
USB flash drive
d)
Magnetic stripe
67.
If you use online storage and your internet goes down, the data is permanently lost
a)
False
b)
True
68.
CPU Cache is located on
a)
The CPU
b)
The RAM
c)
The hard drive
d)
The motherboard
69.
Cache is used to make the computer faster
a)
TRUE
b)
FALSE
70.
Cache memory acts as a buffer between the processor and
a)
the RAM
b)
the harddrive
c)
the motherboard
d)
the user
71.
When the processor fetches data from the RAM, it is first copied onto the
a)
cache memory, and then from the cache memory into the main processor
b)
RAM, and then from the RAM into the main processor
c)
CPU, and then from the CPU into the RAM
d)
cache memory, and then from the cache memory into the RAM
72.
Which transfer is faster
a)
data between the cache and the CPU
b)
data between the RAM and cache
c)
data between the RAM and CPU
d)
data between the hard drive and CPU
73.
Before the processor fetches data from the RAM, it will check if it is stored on the cache first.
a)
TRUE
b)
FALSE
74.
Cache memory generally has (at least) two different levels, level 1 is the fastest.
a)
TRUE
b)
FALSE
75.
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
76.
The idea developed in 1945 by Von Neumann of a computer holding both programs and the data used by the programs in memory is called the..?
a)
Stored Program Concept
b)
Memory Program System
c)
Stored Memory Concept
d)
Stored Memory Program
77.
What connects the processor and memory?
a)
Buses
b)
Cache
c)
NIC
d)
Control Unit
78.
What are the 3 parts of the Von Neumann computer architecture?
a)
Processor (CU & ALU), Memory Unit & Input/Output
b)
Processor, RAM & ROM
c)
Processor, RAM & Hard Disk
d)
Memory (CU & ALU), Hard Disk & Input/Output
79.
What are the two main parts of the processor?
a)
Control Unit & Arithmetic Logic Unit
b)
RAM & ROM
c)
RAM & Cache
d)
Control Unit & Cache
80.
Which of these is not a bus within the computer?
a)
I/O Bus
b)
Address Bus
c)
Data Bus
d)
Control
81.
Which of these buses is bi-directional?
a)
Data Bus
b)
Control Bus
c)
Address Bus
d)
Cache Bus
82.
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
83.
The location of where data can be found in the computer memory is called the?
a)
Address
b)
Coordinates
c)
Register
d)
Cache
84.
The MDR, MAR, PC & CIR are all examples of..?
a)
Registers
b)
Addresses
c)
Buses
d)
Control Units
85.
Which of the following is not a register?
a)
CU
b)
MAR
c)
MDR
d)
PC
86.
What does the DDR in DDR SDRAM stand for?
a)
Double Data Rate
b)
Dynamic Data Rate
c)
Double Data Repitition
d)
Dynamic Data Repitition
87.
The full name for the RAM used in modern computers is SDRAM, what does the SD stand for?
a)
Synchronous Dynamic
b)
Synchronous Data
c)
Secure Digital
d)
Synchronous Digital
88.
1.1 b
Which register is being described?
Stores the results of the calculations done by the ALU
Which register is being described?
Stores the results of the calculations done by the ALU
a)
MAR
b)
MDR
c)
Accumulator
d)
Program Counter
89.
1.1 b
Which register is being described?
Holds the memory address about to be used by the CPU
Which register is being described?
Holds the memory address about to be used by the CPU
a)
MAR
b)
MDR
c)
Accumulator
d)
Program Counter
90.
1.1 b
Which register is being described?
Holds the memory address of the instruction for each cycle
Which register is being described?
Holds the memory address of the instruction for each cycle
a)
MAR
b)
MDR
c)
Accumulator
d)
Program Counter
91.
1.1 e
The clock speed is ....
The clock speed is ....
a)
How long it takes for the CPU to fetch an instruction
b)
Number of fetch decode execute cycles per second
c)
How long it takes for the CPU to execute an instruction
92.
1.1 e
A CPU that has a clock speed of 5GHz means ... A CPU can carry out _____ fetch decode execute cycles per second.
A CPU that has a clock speed of 5GHz means ... A CPU can carry out _____ fetch decode execute cycles per second.
a)
5 Billion
b)
5 Million
c)
5 Thousand
d)
5 Hundred
93.
1.1 e
The more cores a CPU has, the more instructions it can carry out at once
The more cores a CPU has, the more instructions it can carry out at once
a)
TRUE
b)
FALSE
94.
1.1 f
Which best describes embedded systems
Which best describes embedded systems
a)
A smaller version of a computer
b)
A computer system that is built into another device
c)
A device that looks like a computer
95.
What does ALU stand for
a)
Arithmetic Local Unit
b)
Amplified Logic Unit
c)
Arithmetic Logic Unit
d)
Allocated Local Unit
96.
What is the job of the ALU?
a)
To keep track of what instruction is next
b)
To add subtract and compare data
c)
To control the other parts of the processor
d)
To synchronise operations of the processor
97.
What type of storage is a DVD ROM? (1/2)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
98.
What type of storage is a USB memory stick? (4/5)
a)
Optical
b)
Magnetic
c)
Solid State
d)
It is not a storage device
99.
The types of storage are listed below from fastest to slowest. Which ü order is correct? (9)
a)
Solid State, Optical, Magnetic
b)
Optical, Magnetic, Solid State
c)
Magnetic, Optical, Solid State
d)
Solid State, Magnetic, Optical
100.
Why does a laptop need secondary storage?
a)
To backup files to move to another computer
b)
To store data, files and software for future use
c)
To storage programs that are currently running
d)
To store data that the processor needs
101.
Which type of storage users lasers to write the data?
a)
Optical
b)
Magnetic
c)
Solid State
d)
All types
102.
What type of storage is a Hard Disk Drive?
a)
Magnetic
b)
Optical
c)
Solid State
103.
Which of the following is an example of remote data storage?
a)
Saving a digital picture to a hard drive
b)
Saving a digital photo to a CD
c)
Saving a digital photo to an online photo album
d)
Saving a digital photo to a flash drive
104.
One drawback of streaming movies and music from the cloud is that ...
a)
cloud services are expensive.
b)
most songs and movies are not on the cloud yet.
c)
the cloud is not open to the public.
d)
you can't keep the media on your device.
105.
What is the typical capacity of a CD?
a)
4.7GB
b)
1TB
c)
700MB
106.
Which of these devices can be accessed remotely across the internet?
a)
Cloud Storage
b)
Solid State Drive
c)
USB Memory Stick
d)
Optical Media
107.
Online Storage
a)
One Drive
b)
Icloud
c)
Google Drive
d)
All of them
108.
A portable device that stores files like documents, pictures, and music.
a)
The Cloud
b)
Random Access Memory
c)
Flash Drive
d)
Read Only Memory
109.
Which of the following is an example of Cloud Storage?
a)
Google Drive
b)
Flash Drive
c)
Hard Drive
d)
Network Drive
110.
What is this a microscopic picture of?
a)
Memory Stick
b)
CD
c)
Magnetic Tape
d)
SD Card
111.
What is the most durable?
a)
Magnetic Tape
b)
Solid State Drive
c)
Hard Drive
d)
CD
112.
What type of memory is inside an iPhone?
a)
Magnetic Tape
b)
Solid State
c)
Optical
113.
Which type of device is this?
a)
Optical Disk
b)
Hard Drive
c)
Flash Memory
d)
Magnetic Tape
114.
The data is lost when you turn the computer off
a)
Volatile
b)
Non-Volatile
115.
The data is not lost when you turn the computer off
a)
Volatile
b)
Non-Volatile
116.
Is this an embedded system?
a)
YES
b)
NO
117.
Is this an embedded system?
a)
YES
b)
NO
118.
Is this an embedded system?
a)
YES
b)
NO
119.
Is this an embedded system?
a)
YES
b)
NO
120.
Embedded system means ...
A computer system inside another system
A computer system inside another system
a)
YES
b)
NO
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