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OCR Revision 1.1-1.5

Total questions: 121

Worksheet time: 58mins

Name
Class
Date
1.

What is a standalone computer?

a)

A computer that is not connected to a network

b)

A computer that is being used as a server

c)

A computer that does not have any peripherals attached to it

d)

A computer that is only used by one person

2.

Which of these is a characteristic of a LAN?

a)

It covers a wide geographical area

b)

Computers are connected together using a leased line or a satellite

c)

User can share files and peripherals

d)

Data can only be transmitted at a slow rate

3.

Which of these is a characteristic of a WAN

a)

It covers a small geographical area

b)

Normally has a lower bandwidth than a LAN

c)

It is contained within one building

d)

User are not able to share files and peripherals

4.

Which of these statements is true?

a)

A client-server network has a central computer that provides services to the rest of the network

b)

A client-server network is cheap and easy to set up

c)

A client-server network cannot be used to share files

d)

Each computer on a client-server network is maintain separately

5.

Where are you most likely to find a peer-to-per network?

a)

In a large organisation

b)

In a home

c)

In a large office

d)

Across several offices in a company

6.

Which of these is a benefit of a peer-to-peer network?

a)

Antivirus scans can be run across all computers from one computer

b)

All software updates can be run across all computers from one computer

c)

All computers can be maintained from one computer

d)

Files and peripherals can be shared

7.

Which of these is the correct definition of a router?

a)

Forwards data packets along a network

b)

Corrects errors that are found in data packets

c)

A type of transmission media that provides the greatest bandwidth

d)

A server within a network

8.

Which transmission media is capable of having a much higher bandwidth?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

9.

Which type of transmission media is the least expensive to manufacture?

a)

Coaxial

b)

Twisted pair cable

c)

Plastic

d)

Fibre optic

10.

Which of these components is internal to a computer and is required to connect the computer to a network?

a)

Wireless Access Point

b)

Network Interface card

c)

Switch

d)

Hub

11.

What is meant by latency in the performance of a network?

a)

The amount of time data takes to travel from the source to the destination

b)

The maximum rate that data can be transferred at

c)

The number of errors that are found in a data packet after transmission

d)

The route a packet takes when it is being transmitted

12.

Which if these terms refers to the maximum rate at which data can be transferred?

a)

Error detection

b)

Packet switching

c)

Bandwidth

d)

Transmission media

13.
A peer to peer network always has a central server
a)
False
b)
True
14.
In a client server network, all clients are equally powerful.
a)
False
b)
True
15.
A peer to peer network is a network arrangement where all of the computers are equal.
a)
True
b)
False
16.
Which one of these items is not an advantage of a client-server network?
a)
No central point of failure
b)
Central control of security
c)
Easier to supervise network performance
d)
Easier to perform software upgrades
17.
Which one of these items is true of a peer-to-peer network?
a)
No network wide security in place
b)
Central control of security
c)
Has a central point of failure
d)
Easier to perform network wide backups
18.
A client-server network allows people to save their data centrally.
a)
True
b)
False
19.

ISPs are...

a)

What individuals and businesses require to connect to the internet

b)

How countries become connected to the internet

c)

Are what makes Wi-Fi work out in public

d)

A part of a computer required to connect to the internet

20.

What is a URL?

a)

A unique human friendly address to a web page

b)

A set of unique numbers which identify a website

c)

The main part of a web address which identifies the website

d)

The beginning part of a web address which identifies how the web page is to be delivered to the user

21.

What is an IP address?

a)

A unique human friendly address to a web page

b)

A set of unique numbers which identify a website / server

c)

The main part of a web address which identifies the website

d)

The beginning part of a web address which identifies how the web page is to be delivered to the user

22.

Which of the following is a valid IP address?

a)

100.11.16

b)

73.193.256.17

c)

73.193.52.17

d)

73.193.256.17.12

23.

What are the two types of IP address?

a)

Temporary

b)

Static

c)

Dynamic

d)

Permanent

24.

Which type of server translates Web Addresses to IP addresses?

a)

Web Server

b)

E-mail Server

c)

DNS Server

d)

RTP Server

25.

What is the purpose of a DNS Server?

a)

Delivers requested pages to the end user

b)

Takes an IP address and directs the traffic to the correct human readable web address address

c)

Takes a human readable web address and directs the traffic to the correct IP address

d)

Streams video to an end user sequentially so that it may be watched without full download

26.

Which of the following is a domain name (only)?

a)

https://google.com

b)

google.com

c)

https://www.google.com/search?q=cats

d)

https://

27.

Which of the following describes a protocol used to send web pages?

a)

https://google.com

b)

google.com

c)

https://www.google.com/search?q=cats

d)

https://

28.

What is meant by hosting?

a)

A service that allows individuals and organisations to make their website available on the world wide web

b)

A service that creates websites for companies

c)

A service that transmits data in a network

d)

A service that translates alphabetic names into IP addresses

29.
VPN stands for what?
a)
Virtual private network
b)
Visual protocol network
c)
Virtual protocol network
d)
Virtual packet network
30.
In a star network
a)
Each device is connected to a switch or hub
b)
Each device connects to each other
c)
Each device is connected in a line
d)
Each device is connected to a terminal
31.
What is an advantage of creating a network?
a)
It's expensive
b)
Share peripherals 
c)
Share virusses
d)
Share routers
32.
What does LAN stand for?
a)
Local Art Network
b)
Localise Aerial Network
c)
Local Area Network
d)
Local Area News
33.
What type of network is this?
a)
Mesh
b)
Star
c)
Ring
d)
Token
34.
Which network topology is the hardest to add a new computer to?
a)
Ring
b)
Star
c)
Bus
35.
Which network topology uses a backbone to connect all of the computers?
a)
Bus
b)
Ring
c)
Star
36.
Which network topology is the most common way of setting up a network?
a)
Star
b)
Ring
c)
Bus
37.
Which network topology is this?
a)
Star
b)
Mesh
c)
Ring
d)
Bus
38.
Which network topology is this?
a)
Bus
b)
Ring
c)
Mesh
d)
Star
39.

Which network topology is the most resilient when nodes are offline?

a)

Mesh

b)

Star

c)

Bus

d)

Ring

40.

What are the benefits of using a star network topology?

a)

Uses less cable per node

b)

If a node goes down it's unlikely to affect the rest of the network

c)

Higher speeds and less congestion

d)

Nodes can repeat and pass on data between them to make the network highly resilient

41.

What are the benefits of using a mesh network topology?

a)

Uses less cable per node

b)

If a node goes down it's unlikely to affect the rest of the network

c)

Higher speeds and less congestion

d)

Nodes can repeat and pass on data between them to make the network highly resilient

42.

Question 2: Which is a feature of a Mesh Network? (5-6)

a)

Data can be transmitted from different devices simultaneously.

b)

Devices are dependent on a central sever.

c)

The network uses terminators

d)

The Server is usually based in the middle of the network

43.

Question 8: Which term describes the physical layout of a Network? (1-4)

a)

Topology

b)

Topping

c)

Topiary

d)

Toppology

44.

Which layer does TCP operate on

a)

Application

b)

Transport

c)

Network

d)

Link

45.

Which is the right order for network layers

a)

Application Link Transport Network

b)

Application Transport Link Network

c)

Application Transport Network Link

d)

Transport Link Network Application

46.

What is meant by a data packet?

a)

A unit of data that travels along a network

b)

The number of error found in data when it has been transmitted

c)

The data a computer needs to connect to a network

d)

A connection point in a network that allows data to be shared

47.

Which layer does IP operate on

a)

Application

b)

Transport

c)

Network

d)

Link

48.

Which protocol is used for sending emails?

a)

POP

b)

IMAP

c)

SMTP

d)

FTP

49.

Which of these never changes on a device

a)

MAC address

b)

IP address

50.

What is an advantage of IMAP over POP

a)

It is quicker

b)

It can cope with more email messages

c)

It will synchronise all devices with the users mailbox

d)

It has more space to store old messages

51.
What frequencies does Wi-Fi use in the UK?
a)
2.4GHz, 5GHz and 9GHz
b)
2.6GHz, 3.9GHz an
c)
1.2GHz and 5GHz
d)
2.4GHz and 5GHz
52.

Which layer splits data into packets?

a)

Transport Layer

b)

Application Layer

c)

Network Layer

d)

Link Layer

53.

Which of the following Protocols is used for sending e-mails between servers?

a)

HTTP

b)

HTTPS

c)

IMAP

d)

SMTP

54.

Which TWO of the following Protocols are used to retrieve e-mails from a server and download them to a users device

a)

HTTP

b)

POP

c)

IMAP

d)

SMTP

55.
What is meant by a data packet?
a)
The data a computer needs to connect to a network
b)
A connection point in a network that allows data to be shared
c)
A unit of data that travels along a network
d)
The number of error found in data when it has been transmitted
56.
What is meant by a virtual network?
a)
Controlling computers and devices remotely using the internet
b)
A network that is built using only wireless connection points
c)
A network that is used only to share software
d)
A network that is controlled by a central server
57.
Which of these is a benefit of virtual network?
a)
They have a higher level of security than other remote connections
b)
There is no need for any hardware to connect a computer to a network
c)
They stop any errors occurring in the transmission of data in a network
d)
There is no need for any software to connect a computer to a network
58.
What is cloud computing?
a)
Storing large amounts of data on a single computer
b)
Using the internet to communicate with other users
c)
Storing hard copies of data as a backup
d)
Using the internet to store and access data and programs remotely
59.
What problem can occur through using cloud computing?
a)
Only a small amount of software can be stored
b)
More hardware needs to be added to a company network to store data
c)
There can be privacy and security issues
d)
Only a small amount of data can be stored
60.
Which of these is a benefit of cloud computing?
a)
Data will always be more secure in a cloud computing system
b)
It can reduce costs for a company as they do not need to buy additional hardware to store data
c)
It is the cheapest option for a company to store their data as they do not need to pay for cloud computing
d)
Data can be accessed anywhere as an internet connect is not needed to access data and software stored in cloud computing
61.

This register contains the address (location) of the instruction being executed at the current time

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

62.

Either stores the address from which data will be fetched from the CPU, or the address to which data will be sent and stored.

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

63.

Holds the instruction that is being processed (and translated) or executed

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

64.

Performs calculations (i.e. addition, division, multiplication, subtraction)

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

65.

Holds the data that is being transferred to or from memory.

a)

MAR (Memory Address Register)

b)

MDR (Memory Data Register)

c)

CIR (Current Instruction Register)

d)

PC (Program Counter)

e)

ALU (Arithmetic and Logic Unit)

66.

Which of these ARE NOT parts of the CPU? (select as many as appropriate)

a)

Accumulator

b)

General Purpose Register

c)

Input Device

d)

PC (Program Counter)

e)

Output Device

67.

Used to store the results of calculations while they are in progress

a)

Arithmetic and Logic Unit

b)

Program Counter

c)

Current Instruction Register

d)

Accumulator

e)

Memory Data Register

68.

The STORED PROGRAM CONCEPT means that computers...

a)

Have specific memory locations for instructions and specific memory locations for data

b)

Can store data and instructions anywhere within memory

69.

The CPU is....

a)

The part of a computer that inputs data

b)

The part of a computer that processes instructions

c)

The part of a computer that outputs data

d)

The part of a computer that permanently stores data

70.

Which of the following components ARE part of the CPU?

a)

Input Devices

b)

Accumulator

c)

Main Memory

d)

Output Devices

e)

Arithmetic and Logic Unit

71.

A 2GHz Processor can process:

a)

2,000,000 instructions per second

b)

2,000,000,000 instructions per second

c)

20,000,000 instructions per second

d)

200,000 instructions per second

72.

Which of these clock speeds is the fastest:

a)

10 Mhz

b)

1 Mhz

c)

1 Ghz

d)

100 Mhz

73.

A PC uses cache memory to help improve performance. Which of the following statements about cache memory is true?

a)

Level 3 cache is closest to the CPU

b)

Cache is part of main memory

c)

Level 1 cache is closest to the CPU

d)

Cache memory is cheaper than "normal" memory

74.

The diagram shown here represents cores/channels in a CPU. Which of the following sentences is correct?

a)

There are 4 Cores and 6 Channels in this CPU

b)

There are 6 Cores and 4 Channels in this CPU

c)

You could double the number of cores to double the CPU speed

d)

This CPU has 4 Ghz clock speed

75.

What component on the diagram is represented by the YELLOW shape?

a)

Level 1 cache

b)

Level 2 cache

c)

CPU

d)

Main Memory

76.

What component on the diagram is represented by the YELLOW shape?

a)

Level 1 cache

b)

Level 2 cache

c)

CPU

d)

Main Memory

77.

What is represented in the diagram shown here?

a)

The time taken to Fetch an instruction

b)

The time taken to Execute an instruction

c)

The time take to execute a whole program

d)

The time taken to perform the Fetch Execute Cycle

78.

Which of the following statements are true? (select as many as appropriate)

a)

A dual-core CPU can run through the Fetch Execute Cycle, four times per second

b)

Overclocking is a safe way of improving CPU performance

c)

A quad-core CPU can carry out more Fetch Execute Cycles per second than a dual core CPU

d)

Overclocking can improve CPU performance

79.

Which is the fastest kind of memory that the CPU can access?

a)

Main Memory

b)

L1 Cache

c)

L2 Cache

d)

EXTERNAL memory (i.e. on a USB stick)

80.
The faster a clock runs the more power it consumes and the more heat it generates
a)
True
b)
False
81.

How does clock speed affect CPU performance?

a)

Faster clock speed, means more instructions per second can be processed by the CPU

b)

Faster clock speed, means more instructions can be carried out at the same time

c)

Faster clock speed means the cache will run faster

d)

Faster clock speed means more storage is available for instructions, data and programs.

82.
What does RAM stand for?
a)
Random All Memory
b)
Read All Memry
c)
Random Access Memory
d)
Read Access Memory
83.
True or False:
RAM is Fast temporary memory
a)
TRUE
b)
FALSE
84.
Why is RAM temporary?
a)
Because it doesn't stay forever
b)
Because it has limited space
c)
Because it is non-volatile
d)
Because it is volatile
85.
Which of these items are NOT stored in RAM
a)
Instructions to load up the computer
b)
Data
c)
Programs
d)
Applications
86.
What component in a computer allows you to keep multiple windows open and allows you to switch between them
a)
RAM
b)
ROM
c)
CPU
d)
SSD
87.
CPU Cache is located on
a)
The CPU
b)
The RAM
c)
The hard drive
d)
The motherboard
88.
Cache is used to make the computer faster
a)
TRUE
b)
FALSE
89.
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
90.
Before the processor fetches data from the RAM, it will check if it is stored on the cache first.
a)
TRUE
b)
FALSE
91.
ROM stores start up instructions such as the bootstrap loader
a)
TRUE
b)
FALSE
92.
The term 'volatile' refers to how likely a piece of equipment is to fail
a)
FALSE
b)
TRUE
93.
ROM stands for...
a)
Read Optical Memory
b)
Random Only Memory
c)
Read Only Memory
d)
Random Optical Memory
94.
Where is data stored when it is Virtual Memory?
a)
It is stored on a area of a secondary storage device e.g. hard disk drive.
b)
It is stored in the RAM.
c)
It is stored in the ROM.
d)
It is stored in an optical drive e.g. CD.
95.

Which of the following statements are correct? (choose as many as you think are appropriate)

a)

DRAM is cheaper and slower than SRAM

b)

DRAM is more expensive and faster than SRAM

c)

SRAM is more expensive and faster than DRAM

d)

SRAM is slower and less expensive than DRAM

96.

The "Random" in "Random Access Memory" means that..

a)

Data and instructions can be stored anywhere in RAM

b)

Data and instructions need to be stored in RAM in a specific sequence..

c)

When data is read from RAM, it is read in a random order

d)

Instructions are carried out in a random order

97.

Which of the following terms describes what happens when virtual memory is used excessively?

a)

Colliding

b)

Crashing

c)

Thrashing

d)

Overclocking

98.
What is the average size of RAM in a PC or laptop computer?
a)
512 MB
b)
1 - 2 GB
c)
8 - 16 GB
d)
32 - 64 GB
99.
Why is Virtual Memory needed or used by a computer?
a)
When RAM becomes full because of too many programs running at once
b)
When ROM is too small and struggles to store the Operating System
c)
When users wish to store data on an external server such as 'the cloud'
d)
When chosen by the user or computer administrator
100.

Which of the computers here (computer A on the left, computer B on the right) is likely to be better at handling multitasking (i.e. lots of programs being open at once)

a)

Computer A

b)

Computer B

101.

Which of the computers here (computer A on the left, computer B on the right) will be able to store more files and programs?

a)

Computer A

b)

Computer B

102.
Solid state drive
a)
Storage that works by storing the data in electronic circuits
b)
Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
c)
Storage that uses a surface which can be magnetised to store data.
103.
Magnetic storage
a)
Storage that uses a surface which can be magnetised to store data
b)
Storage that can be disconnected from the main computer unit, for example to transfer files between computers.
c)
Moving a data, program or file from memory onto secondary storage for later use.
104.
What is the most durable?
a)
Magnetic Tape
b)
Solid State Drive
c)
Hard Drive
d)
CD
105.
What type of storage is this?
a)
Magnetic
b)
Optical
c)
Solid State
106.
What is an advantage of a CD?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
107.
What is an advantage of a Hard drive?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
108.
What is a disadvantage of solid state storage?
a)
Easily scratched, leading to the loss of data
b)
Large storage capacity
c)
Expensive to buy
d)
Portable, easy to carry around
109.

What is an advantage of Cloud Computing?

a)

Can access your files anywhere

b)

It is safer

c)

Can access files anywhere you have internet

d)

Expensive

110.
Question 11: Which type of storage uses lasers to write the data?
a)
Optical
b)
Magnetic
c)
Solid state 
d)
All types 
111.
In order of fastest to slowest with the fastest on the left and slowest on the right, name each type of memory in order.
a)
Cache > RAM > Hard Drive
b)
Hard Drive > RAM > Cache
c)
RAM > Cache > Hard Drive
d)
RAM > Hard Drive > Cache
112.

Which of the following statements is NOT true:

a)

Solid State Drives are more durable than Magnetic Drives since they have no moving parts

b)

Optical drives are faster than a magnetic hard drive

c)

Magnetic tape is ideal for backing up large quantities of data (such as a network)

d)

Cloud storage can allow many users to share and access the same data/files

113.

Which of the following statements about cloud storage are true... (choose as many as are appropriate)

a)

Data will be secure if there is a fire or other problem at the site

b)

Data protection rules do not apply if you opt to use cloud storage

c)

It prevents your data being hacked/targeted by hackers

d)

It prevents the need to buy expensive hardware for data storage

114.

Which of the following shows the capacity of OPTICAL STORAGE MEDIA in the correct order (smallest to largest)?

a)

DVD > BLU RAY > CD

b)

CD > DVD > BLU RAY

c)

BLU RAY > DVD > CD

d)

DVD > CD > BLU RAY

115.

Rank the units of data storage in order from smallest to largest..

a)

MB > KB > Byte > TB >GB

b)

KB > Byte > MB > TB > GB

c)

Byte > KB > MB > GB > TB

d)

TB > GB > MB > KB > Byte

116.

Data stored on Backing Storage is...

a)

Volatile

b)

Non-volatile

117.

Which of the following would NOT be a suitable means for a wedding photographer to store pictures (choose as many as appropriate)?

a)

DVD

b)

USB Drive

c)

Magnetic Tape

d)

SD card

118.

Which of the following should be considered when choosing a method of data storage? (Choose as many as appropriate)

a)

Capacity

b)

Speed

c)

Portability

d)

Durability

e)

Reliability

119.

Which of the following units could be used to measure storage capacity of a USB stick?

a)

Mhz

b)

Ghz

c)

Gb

d)

Cm

120.

Which of the following statements are True (choose as many as are appropriate)

a)

Magnetic disks are less robust then SSD's as they contain moving parts

b)

Portability is an advantage of flash storage devices

c)

SSD's consume more power than magnetic hard drives

d)

Internal hard disks are usually used inside the computer as backing storage

121.

Which of the following statements are INCORRECT? (choose as many as appropriate)

a)

SSD's run cooler than magnetic drives so are suited to use in laptops

b)

Magnetic tape is obsolete and is no longer used

c)

Any storage device with moving parts is likely to be more reliable

d)

Optical storage is suited to backing up/archiving files

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