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Mr I's CS (OCR) Paper 1

Total questions: 66

Worksheet time: 34mins

Name
Class
Date
1.
Which of these is NOT an advantage of networks?
a)
Sharing peripheral devices such as printers and scanners
b)
Possible to communicate globally
c)
Can protect against viruses
d)
PCs can be backed up and updated by one central PC
2.
Which of these statements is correct when referring to P2P networks?
a)
All devices are equal
b)
There is one central device
c)
All devices are equal but some are more equal than others
3.
A MAC address is
a)
A unique identifier for all devices on a network
b)
A set of numbers that identify a computer on a network
c)
A unique identifier for computers on a network
4.
Which device allows for wireless connections?
a)
Router
b)
Switch
c)
Hub
d)
WAP
5.
Which device broadcasts any data to all devices on a network?
a)
Router
b)
Switch
c)
Hub
d)
WAP
6.
A switch stores the MAC addresses of every device on the network. True or False?
a)
TRUE
b)
FALSE
7.
ROM is volatile
a)
FALSE
b)
TRUE
8.
ROM is not generally written to
a)
TRUE
b)
FALSE
9.
What does the RAM store?
a)
Operating system, programs and data which are currently being used
b)
A program used to start the computer called the �boot program� or BIOS
c)
All programs and documents stored on the computer
10.
My job is to load up the computer. What am I?
a)
RAM
b)
ROM
11.
Bob has a 1GHZ dual core CPU, Amy has a 2GHZ single core CPU. Which can process more instructions per second?
a)
Bob
b)
Amy
c)
Equal
d)
Neither can process anything
12.
What happens if you increase the clock speed?
a)
CPU can process instructions quicker
b)
CPU can process more instructions at the same time
c)
CPU will explode
d)
CPU processes too fast for the cache to handle
13.

Which of the following is the fastest memory?

a)

RAM

b)

Cache

14.
Where are the results of calculations stored?
a)
Accumulator
b)
ALU
c)
MDR
d)
CIR
15.
Which component would calculate the result of 6 * 4?
a)
Accumulator
b)
ALU
c)
Control Unit
d)
MAR
16.

Which of the following are not secondary storage devices?

a)

Hard Drive

b)

USB Stick

c)

CD

d)

RAM

e)

Registers

17.
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.
18.
It is an example of optical storage:
a)
Magnetic tape
b)
USB memory stick
c)
Blu-ray disks
d)
HDD
19.
The disadvantage of this type of storage is that it is easily scratched.
a)
Magnetic storage
b)
Optical storage
c)
Solid state storage
20.
Why durability is important when choosing an appropriate storage media?
a)
Because it is important to take in consideration how resistant the media is to damage. 
b)
Because it is important to consider how cheap the media cost.
21.

The weakest point in a security system, is usually:

a)

Poorly coded software

b)

People

c)

Unreliable hardware

d)

Poor network connections

22.

Trying to access data by going through lists of possible passwords is called...

a)

A Brute Force attack

b)

Phishing

c)

Blagging

d)

DOS attack

23.

What is the purpose of a firewall?

a)

To remove viruses from a system

b)

To provide a secure password access system

c)

To intercept and possibly block packets of data

d)

To prevent programs being installed on a network

24.

Which of the following is the most accurate definition of a worm?

a)

A stand-alone program that replicates, doing damage to a system

b)

Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so

c)

A program that pretends to be safe, while actually containing malicious code

d)

software that installs itself onto devices and then steals personal information about the user, like passwords,

25.

Which of the following is the most accurate definition of Spyware?

a)

A stand-alone program that replicates, doing damage to a system

b)

Malicious code that spreads from device to device but does not need to attach itself to a program in order to do so

c)

A program that pretends to be safe, while actually containing malicious code

d)

software that installs itself onto devices and then steals personal information about the user, like passwords,

26.

What does TCP stand for?

a)

Transfer Control Protocol

b)

Transmission Control Protocol

c)

Transfer Character Protocol

d)

Transmission Character Protocol

27.

Which is the first layer of the TCP/IP model?

a)

Network

b)

Application

c)

Transport

d)

Internet

28.

Which of the TCP/IP model layers is responsible for breaking down the message into packets?

a)

Network

b)

Application

c)

Transport

d)

Internet

29.
Which protocol would you use to transfer files?
a)
FTP
b)
SMTP
c)
POP3
d)
HTTP
30.
What is a protocol?
a)
Any peripheral device
b)
A person that uses a client
c)
Rules for networks and communications
d)
A circuitboard with the components to send/receive data
31.
Which of these are mail protocols?
a)
SMTP and POP
b)
TCP and FTP
c)
FTP and SMTP
d)
POP and IP
32.
What is the name for software designed to keep your computer running smoothly?
a)
Utility Software
b)
System Software
33.

Re-organises the files by putting the related files next to each other

a)

Encryption

b)

Compression

c)

Defragmentation

d)

Auto-Update

34.

Utility software performs specific ______ to help your computer run ______

a)

Jobs, Efficiently

b)

Code, Efficiently

c)

Jobs, Processing

d)

Code, Smoothly

35.
What is meant by the term "Stakeholder"?
a)
A stakeholder is the person who owns a product or organisations
b)
A stakeholder is anyone who has an interst in or concern about a product or organisation
c)
A stakeholder is the person who buys products from an organisation
d)
A stakeholder is the person who creates the legislation that governs the buying and selling products
36.
Which legislation governs the act of hacking?
a)
The Freedom of Information Act
b)
The Data Protection Act
c)
The Creative Commons License
d)
The Computer Misuse Act
37.
Which legislation governs the act of intellectual property theft?
a)
The Copyright Designs and Patents Act
b)
The Data Protection Act
c)
The Freedom of Information Act
d)
The Computer Misuse Act
38.
Who is responsible for making sure the requirements of the Data Protection Act are upheld in an organisation?
a)
The Individual
b)
The Data Controller
c)
The Stakeholder
d)
The Computer Network
39.
Why would an author obtain a Creative Commons License?
a)
To stop the public sharing their work
b)
To make sure their work has a patent
c)
To make sure they are able to legally sell their work
d)
To give the public the right to share, use and build upon work they have created
40.
Charlie uses social media regularly. What step would you recommend to be more secure online?
a)
Always use the same password
b)
Only post non-private data/pictures
c)
Always use a mobile phone for security
d)
Share other people's pictures as much as possible
41.

Optical Disc are

a)

cheap and portable

b)

cheap and accessible

c)

easily scratched

d)

great for long term use

42.

Magnetic Hard Disks are...

a)

high capacity, reliable storage

b)

low capacity, reliable storage

c)

high capacity, unstable storage

d)

low capacity, unstable storage

43.

Solid State Drives are...

a)

Fast and unstable secondary storage

b)

Slow and reliable secondary storage

c)

Fast and reliable secondary storage

d)

Slow and unstable secondary storage

44.
A LAN can span several sites over a global area
a)
False
b)
True
45.
Which one is true of a WAN?
a)
Can span two countries
b)
Is completely secure
c)
Has over 500 devices connected to it
d)
Is very fast
46.

Is the maximum amount of data that can pass through the medium (e.g. wire) per second...

a)

Latency

b)

Bit Rate

c)

Bandwidth

d)

Durability

47.

The number of users on a network can affect the network performance

a)

True

b)

False

48.

Wireless connections can carry more data around the network than wired connections

a)

False

b)

True

49.

As a cable get ...... the signal can become too weak packets can be dropped.

a)

narrower

b)

longer

c)

shorter

d)

wider

50.

...... describes how much time it takes for a data packet to travel across the network.

a)

Larceny

b)

Latency

c)

Literacy

d)

Lag

51.

........... and ............ limitations can affect the performance of a network

a)

Hardware (e.g Routers and Switches)

b)

Network

c)

Topology

d)

Software

52.

Which affects network performance...?

a)

The package you choose with your ISP (e.g. FastFibre or Standard)

b)

High Network Traffic

c)

No. of Users

d)

Bandwidth - i.e. data transfer rate

53.

High network traffic can lead to collisions of data packets.

a)

True

b)

False

54.

A high number of users can cause network congestion, leading to packets being queued before they can be transmitted by routers and switches.

a)

True

(must be - sounds scientific)

b)

False

(I'm no fool!)

55.

________ are storage locations within the CPU itself.

a)

Clock

b)

Control Unit

c)

Registers

d)

Buses

56.

Regulates the timing and speed of all computer functions.

a)

Cache

b)

Registers

c)

Control Unit

d)

Clock

57.

A ______ is a collection of wires that carry signals or communications between the various components of the computer system.

a)

Clock

b)

Registers

c)

Bus

d)

Cache

58.

Which of the following network diagrams represents star topology?

a)
b)
c)
d)
59.

What is meant by a network node?

a)

Another name for a device in a network topology.

b)

Another name for a cable on a network.

c)

A packet of data.

d)

A device which turns a network on and off.

60.

Which of the following is a disadvantage of mesh topology over other network topologies?

a)

If there is a problem with any of the cables, the entire network goes down.

b)

Expensive to install – more cabling required.

c)

Files over a certain file size cannot travel.

d)

Data collisions are more likely, which causes the network to slow down.

61.

Which of the following is a disadvantage of mesh topology over other network topologies?

a)

If there is a problem with any of the cables, the entire network goes down.

b)

Expensive to install – more cabling required.

c)

Files over a certain file size cannot travel.

d)

Data collisions are more likely, which causes the network to slow down.

62.

Which of the following is an advantage of star topology over other network topologies?

a)

Each device is only connected to two other devices.

b)

Data packets don’t have to travel as far.

c)

Better security.

d)

More than one data packet can be sent at once.

63.
What network has the server placed in the centre and the devices around it?
a)
Ring
b)
Bus
c)
Star
d)
Mesh
64.
Which is a feature of a Mesh Network?
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
65.

4 Layers. The correct order is...? (use 'a Tin' to help you)

a)

Network > Internet > Application > Transport

b)

Application > Transport > Network > Internet

c)

Application > Transport > Internet > Network

d)

Application > Network > Internet > Transport

66.

Which of these is NOT an advantage of networks?

a)

Sharing peripheral devices such as printers and scanners

b)

Possible to communicate globally

c)

Can protect against viruses

d)

PCs can be backed up and updated by one central PC

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