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computer

Total questions: 122

Worksheet time: 41mins

Name
Class
Date
1.

A _____ is the basic element of data?

a)

Database

b)

Field

c)

File

d)

Record

2.

A ________ is a collection of simular record?

a)

file

b)

database

c)

record

d)

field

3.

A _______ is a collection of related data

a)

record

b)

file

c)

database

d)

field

4.
A computer that is not connected to a network is called a __________ computer.  All data is store on its hard disk locally.
a)
Standalone
b)
Workstation
c)
Network Node
d)
LAN
5.
A computer that is connected to a network is called a ___________.
a)
Stand alone
b)
Mainframe computer
c)
Workstation or network node
d)
Personal computer
6.

Describe a disadvantage of a standalone computer?

a)

Every standalone computer would need a printer to be able to print.

b)

File servers can be expensive to buy.

7.

Describe an advantage of  a stand alone computer?

a)

An advantage of a standalone computer is damage control. For example, if something goes wrong, only the standalone will be affected.

b)

An advantage of a standalone computer is you can share files and resources

8.
Why do we network computers together?
a)

So they can share files and resources.

b)

To have sole use of a machine and avoid bandwidth limitations.

9.
A computer network is ___ connected together.
a)
One computer
b)
Two or more
c)
Three or more
d)
Four or more
10.

Two or more computers connected close together (under a mile) in an office or building is called?

a)

WAN

b)

LAN

c)

The Internet

d)

Virtual Network

11.

Two or more computers connected together over a large geographical area (over a mile) What type of network is this?

a)

LAN

b)

School Network

c)

WAN

d)

The Internet

12.

Describe an advantage of a LAN

a)

You can save money by sharing peripherals like printers.

b)

It is limited to a small area.

c)

Can cover near infinite geographical distance.

d)

Expensive to setup.

13.

Describe a disadvantage of a LAN

a)

Site (software) licences are likely to be cheaper than buying several standalone licences.

b)

Security is good - users cannot see other users' files unlike on stand-alone machines.

c)

if the main cable fails or gets damaged the whole network will fail

d)

Purchasing the network cabling and file servers can be expensive.

14.

Describe an advantage of a WAN

a)

Viruses can spread to other computers throughout a computer network.

b)

Managing a large network is complicated, requires training and a network manager usually needs to be employed.

c)

Can cover near infinite geographical distance

d)

Easy to install and maintain.

15.

Describe a disadvantage of a WAN

a)

Due to it's typically massive size, WAN's are almost always slower then a LAN. The further the distance, the slower the network. 

b)

Limited to a small area.

c)

Data is easy to backup as all the data is stored on the file server.

d)

Site (software) licences are likely to be cheaper than buying several standalone licences.

16.

Describe a difference between a LAN and a WAN

a)

A LAN uses its own infrastructure, whereas a WAN uses the Internet.

b)

A LAN is slower than a WAN as the nodes are further away from each other.

17.

Describe a difference between a LAN and a WAN

a)

A LAN uses the Internet to connect it, whereas a WAN uses its own infrastructre

b)

A LAN is faster than a WAN due to signals having to transmit over longer distances.

18.

Describe a difference between a LAN and a WAN

a)

A LAN sends data packets to all computers, whereas a WAN sends to specific computers only.

b)

A LAN covers a small geographical area, whereas a WAN covers a large geographical area

19.
A computer system...
a)
 takes a set of digital inputs, processes them and creates a set of outputs.
b)
takes a set of digital outputs, processes them and creates a set of inputs.
c)
takes a set of digital inputs, processes them and creates a set of inputs.
d)
takes a set of digital outputs, processes them and creates a set of outputs.
20.

How does data get into a computer?

a)

Using USB flash drive

b)

Using input devices

c)

Using Google

d)

Using html code

21.

An input device used to control a pointer on the screen and make selections

a)

Microphone

b)

HDD

c)

CD

d)

Mouse

22.
The main purpose of a computer is to process data. The processing stage takes place within the...
a)
Keyboard
b)
RAM
c)
CPU
d)
Printer
23.

...is a computer program that contains the set of instructions needed to tell the hardware what to do

a)

Hardware

b)

Input device

c)

Processing

d)

Software

24.

An example of an output device

a)

Microphone

b)

Webcam

c)

Projector

d)

Keyboard

25.
...is any physical component that makes up the computer. 
a)
Hardware
b)
Software
c)
Storage
d)
Microchip 
26.
An ... is designed with a specific task in mind. All the parts and components of an ... are usually built on a single printed circuit board. 
a)
Output device
b)
Embedded computer
c)
Input Device
d)
Internet connection
27.

Which of the following is NOT an example of embedded system.

a)

Microwave

b)

Keyboard

c)

DVD Player

d)

Digital watch

28.

Describe a disadvantage of using embedded computers:

a)

If goes wrong then the equipment itself will stop working and you won't be able to use it.

b)

They take a lot of space.

c)

They could be used in computer control such as traffic lights.

d)

They would use secondary storage device such as solid state memory.

29.

Describe an advantage of embedded computers:

a)

If goes wrong then the equipment itself will stop working and you won't be able to use it.

b)

They take a lot of space.

c)

An embedded computer is built on a single printed circuit board, so it is much easier to replace it if it breaks down.

30.
Define what is meant by the 'internet'.
a)
A global network of computers connected together.
b)
A collection of websites and other resources identified by Uniform Resource Locators (URLs)
31.
The internet is the largest example of:
a)
A Local Area Network (LAN)
b)
A Wide Area Network (WAN)
32.
Define what is meant by the 'world wide web'.
a)
A global network of computers connected together.
b)
A collection of websites and other resources identified by Uniform Resource Locators (URLs)
33.
Who invented the world wide web by creating the first web browser in the early 1990s?
a)
Ada Lovelace
b)
Steve Jobs
c)
Bill Gates
d)
Sir Tim Berners-Lee
34.
What is the role of an Internet Service Provider or ISP?
a)
ISP refers to a range of software and services that run on the internet rather than on your PC.
b)
Its the  unique web address for every page on the internet.
c)
A company that provides access to the internet for business and individuals.
d)
Where you pay a web hosting company to host your website on one of their servers.
35.
What is meant by a Uniform Resource Locator?
a)
A range of software and services that run on the internet rather than on your PC.
b)
A company that provides access to the internet for business and individuals.
c)
Where you pay a web hosting company to host your website on one of their servers.
d)
Its the unique web address for every page on the internet.
36.
Define what is meant by the term 'IP address'
a)
A set of numbers used to identify one particular computer or digital device.
b)
A 12 digit hexadecimal number that is assigned to a Network Interface Card (NIC)
37.
Challenge question - we are currently on the 6th version of the Internet Protocol - using ipv6 - how many binary bits are used for each unique address in ipv6?
a)
32
b)
64
c)
96
d)
128
38.
IP addresses can be either static (not change) or dynamic (they change) - true or false?
a)
True
b)
False
39.
Define what is meant by the term 'domain name'?
a)
A user-friendly name for a particular website that is easier to remember.
b)
A small block of data that is transmitted from one computer to another.
40.
Define what is meant by a 'packet'?
a)
A user-friendly name for a particular website
b)
A small block of data that is transmitted from one computer to another.
41.
Define what is meant by 'local hosting'.
a)
This is where you pay a web hosting company to host your website on one of their servers.
b)
This is when you use your computer to host your website by making it a web server and allowing others to access it.
42.
Define what is meant by 'external hosting'.
a)
This is where you pay a web hosting company to host your website on one of their servers.
b)
This is when you use your computer to host your website by making it a web server and allowing others to access it.
43.
What is meant by the 'Cloud'?
a)
This is where you pay a web hosting company to host your website on one of their servers.
b)
This is when you use your computer to host your website by making it a web server and allowing others to access it.
c)
Refers to a range of software and services that run on the internet rather than on your PC.
d)
A small block of data that is transmitted from one computer to another.
44.
Which of the following is NOT an example of a cloud service?
a)
PC based email client.
b)
Online file and media storage (Dropbox, GoogleDrive)
c)
Online applications e.g. Office 365, Adobe Creative Cloud, GoogleDocs
d)
Streaming services of films and other media (Netflix, Spotify, Amazon)
45.
Websites are generally hosted on what computers?
a)
Standalone computers
b)
Servers
c)
Workstations
d)
Desktop computers
46.
What is the role of the Domain Name System (DNS)?
a)
To translate a web address into the correct IP address for the server or service that you have requested.
b)
This is where you pay a web hosting company to host your website on one of their servers.
47.
What is meant by the term 'blagging'?
a)
It is when fraudsters send emails pretending to be a bank or e-commerce site to try and find out your personal and financial details.  Messages are often urgent and have spelling mistakes.
b)
Sometimes called pretexting, done either face-to-face, by telephone or using a computer.  Criminals invent a scenario to get the victim to divulge information.
c)
  Finding out login names, passwords and pins by watching people at ATM’s, or in an office where employees enter passwords or when people pay for goods at tills and people watch the PINs being entered.
d)
Software that is deigned to corrupt files and stop your computer from working.
48.
What is meant by the term 'shouldering'?
a)
Finding out login names, passwords and pins by watching people at ATM’s, or in an office where employees enter passwords or when people pay for goods at tills and people watch the PINs being entered.
b)
Sometimes called pretexting, done either face-to-face, by telephone or using a computer.  Criminals invent a scenario to get the victim to divulge information.
c)
It is when fraudsters send emails pretending to be a bank or e-commerce site to try and find out your personal and financial details.  Messages are often urgent and have spelling mistakes.
49.
What is meant by the term 'phishing'?
a)
Finding out login names, passwords and pins by watching people at ATM’s, or in an office where employees enter passwords or when people pay for goods at tills and people watch the PINs being entered.
b)
Sometimes called pretexting, done either face-to-face, by telephone or using a computer.  Criminals invent a scenario to get the victim to divulge information.
c)
It is when fraudsters send emails pretending to be a bank or e-commerce site to try and find out your personal and financial details.  Messages are often urgent and have spelling mistakes.
50.
This software is designed to disrupt the functioning of the computer, gain unauthorised access and gather information without the users knowledge - what is it?
a)
Applications sofware
b)
Systems software
c)
Malicious software
d)
Utility software
51.
How does a virus infect a computer and how is it malicious?
a)
It is disguised as something legitimate like a computer game. Once inside it can log key strokes, record passwords and can allow someone to remote access your computer.
b)
Software that usually infects a computer system via email attachments or being attached to files on memory sticks. It requires human help to infect a computer. It can corrupt/delete files and slow your pc down.
52.
How does a trojan horse infect a pc and how is it malicious?
a)
Software that is disguised as something legitimate like a computer game. Once inside it can log key strokes, record passwords and can allow someone to remote access your computer.
b)
Software that is similar to a virus, although it can infect your computer without human help, instead through security loopholes. Once inside your computer it can replicate itself across networks. It is malicious as it can slow your pc down, delete files and send documents via email.
53.
What is meant by the term spyware?
a)
A type of spyware that causes adverts to pop-up on your screen. Some can be inappropriate. They waste your time and distract you from what you are doing.
b)
Malware that you may have received in an email. This can change the IP address of a domain name entered to a bogus one.
c)
Software similar to a 'Trojan' as it spies on what you are doing and passes this information back across the internet.
d)
Fraudsters sending emails pretending to be banks etc... recognised by : careless use of language, urgency, false links and attachments.
54.

What is ransomware and how is it malicious?

a)

Software similar to a 'Trojan' as it spies on what you are doing and passes this information back across the internet.

b)

Programs that attempt to blackmail a user into making a payment to a hacker, If money isn't paid, the network can be shutdown.

c)

Software that is similar to a virus, although it can infect your computer without human help, instead through security loopholes. Once inside your computer it can replicate itself across networks. It is malicious as it can slow your pc down, delete files and send documents via email.

d)

Software that is disguised as something legitimate like a computer game. Once inside it can log key strokes, record passwords and can allow someone to remote access your computer.

55.
What is a brute force attack?
a)
General attack on network - no specialist knowledge. Done by trial and error to obtain login names and passwords to allow hacker to access network.  Success is based on computer power and number of combinations tried.
b)
Designed to make a network or website grind to a halt by using 'Zombie' computers to flood them with useless network communication such as repeated login requests at the same time.
c)
Criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers.
d)
Websites use databases to store user details.User enters username and password - this is checked against SQL database.Criminals can bypass this using special commands.
56.
What is meant by a denial of service (DOS) attack?
a)
Designed to make a network or website grind to a halt by using 'Zombie' computers to flood the network/websites with useless network communication such as repeated login requests at the same time.
b)
Criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers.
57.
Data interception and theft is when criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers - TRUE or FALSE?
a)
TRUE
b)
FALSE
58.
What is meant by SQL injection?
a)
New programs are tested for security faults.The day a security flaw is found is called 'zero day'. There is a race between hackers and company to exploit and fix.
b)
Criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers.
c)
Websites use databases to store user details.User enters username and password - this is checked against SQL database.Criminals 
d)
General attack on network - no specialist knowledge. Done by trial and error to obtain login names and passwords to allow hacker to access network. Success is based on computer power and number of combinations tried.
59.
What is meant by a zero-day attack?
a)
Designed to make a network or website grind to a halt by using 'Zombie' computers to flood the network/website with useless network communication such as repeated login requests at the same time.
b)
Websites use databases to store user details.User enters username and password - this is checked against SQL database.Criminals can bypass this using special commands.
c)
Criminals use packet analysers or 'packet sniffers' to intercept data traffic. Criminals try and steal logins, passwords, credit card numbers.
d)
New programs are tested for security faults.The day a security flaw is found is given a special name. There is a race between hackers and company to exploit and fix.
60.

Define the term 'social engineering'

a)

Humans a the weak point in network security, by clicking a link etc..

b)

A computer program used by hackers to exploit flaws in networks

61.

What am I?

a)

Desktop PC

b)

Smart phone

c)

Laptop

d)

Mainframe computer/server

62.

We are mobile devices.

a)

Laptop

b)

Desktop PC

c)

Smart phone

d)

Xbox 360

63.

what am I?

a)

Desktop PC

b)

Mainframe/server

c)

Laptop

d)

Smart Phone

64.
This computer is used by touching with your finger
a)
laptop
b)
tablet
c)
desktop
d)
mainframe
65.
Which one of these is the most expensive
a)
desktop
b)
laptop
c)
supercomputer
d)
mainframe
66.
which one of these is the least expensive
a)
laptop
b)
desktop
c)
server
d)
mainframe
67.

What is the device shown in the picture?

a)

A keyboard

b)

A monitor

c)

A mouse

d)

A printer

68.

What is a computer?

a)

Application to work on.

b)

Machine programmed to manipulate symbols.

c)

Operating System that we use frequently.

69.

Which computer is the most powerful?

a)

Supercomputers

b)

Minicomputers

c)

Worstation

d)

Mainframe

e)

Personal Computer

70.
The internet is?
a)
A place to eat
b)
Millions of computers connected together
c)
A computer link
d)
A webpage
71.
Which of the following is computer hardware?
a)
Microsoft Word
b)
Adobe Acrobat
c)
Keyboard
d)
Minecraft
72.
Which of the following is an input device?
a)
Speaker
b)
Printer
c)
Headphones
d)
Mouse
73.
Which of the following is an output device?
a)
Monitor/Screen*
b)
Joystick
c)
CD-ROM
d)
Microsoft Excel
74.
Which of the following is a storage device?
a)
Pen drive
b)
SIM card
c)
CD-ROM
d)
All of the above
75.
Which of the following is an input device?
a)
 A projector screen
b)
A DVD-ROM
c)

A speed camera

d)
An inkjet printer
76.
 Which of the following is an output device?
a)
A scanner
b)
A barcode reader
c)
A printer
d)
A microphone
77.
Which of the following is computer software?
a)
A CPU
b)
RAM
c)
Microsoft PowerPoint
d)
ROM
78.
What would be a suitable device to transfer 12 photos from one PC to another?
a)
A USB pen drive
b)
A DVD-ROM
c)
An internal hard disk drive
d)
A scanner
79.
 Whats the missing word? INPUT ??????? OUTPUT
a)
Downput
b)
Process
c)
Offput
d)
Data
80.
Computer memory that temporarily stores information is called:
a)
Forgetful
b)
RAM
c)
ROM
81.
Which of the following is likely to be held in Read Only Memory (ROM)?
a)
Start-up instructions used when a PC is switched on
b)
A film loaded from a DVD
c)
A computer game
d)
A document saved by the user
82.
Memory that loses stored data when the computer is turned off is called?
a)
Lossy
b)
Unreliable
c)
Volatile
d)
Non-volatile
83.
What is the function of the Central Processing Unit (CPU)?
a)
To act as a permanent data store
b)
To act as a temporary data store
c)
To fetch, decode and execute instructions
d)
To hold computer programs while they are being used
84.
A single binary digit is known as a
a)
Byte
b)
Bit
c)
Nibble
d)
Bobble
85.
The number system that computers understand is called
a)
Decimal
b)
Denary
c)
Boolean
d)
Binary
86.
How many different binary codes can be represented in 2 bits?
a)
2
b)
4
c)
8
d)
16
87.
ASCII is:
a)
a programming language
b)
a code for representing characters in binary
c)
a type of computer
d)
a method of translating from denary to binary
88.
Which of the following can be represented in ASCII?
a)
Alphabetic characters such as A, B, C
b)
Numeric characters such as 5, 6, 7
c)
“Special” characters such as %, *, &
d)
all of the above
89.
The sound waves that we hear with our ears are?
a)
Digital
b)
Analogue
c)
Amplitude
d)
Frequency
90.
Sound is stored in digital form using
a)
Recording
b)
Sampling
c)
Grabbing
d)
Capturing
91.
The quality of a sound recording can be improved by taking samples more frequently
a)
True
b)
False
92.
If we take more samples, the sound file will become?
a)
Louder
b)
Smaller
c)
Quieter
d)
Larger
93.
A larger sound file requires more storage space
a)
True
b)
False
94.
The tiny dots which make up the images that we see on a computer are called?
a)
Pixies
b)
Pixels
c)
Dots
d)
Bits
95.
Each pixel contains binary number which represents?
a)
A file name
b)
A file size
c)
A frequency
d)
A colour
96.
The more pixels that a picture contains, the ????????? the file size
a)
Smaller
b)
Larger
c)
Faster
97.
Which of the following is computer hardware?
a)
Microsoft Word
b)
Adobe Acrobat
c)
Keyboard
d)
Minecraft
98.
Which of the following is an input device?
a)
Speaker
b)
Printer
c)
Headphones
d)
Mouse
99.
Which of the following is an output device?
a)
Monitor/Screen*
b)
Joystick
c)
CD-ROM
d)
Microsoft Excel
100.
Which of the following is a storage device?
a)
Pen drive
b)
SIM card
c)
CD-ROM
d)
All of the above
101.
Which of the following is an input device?
a)
 A projector screen
b)
A DVD-ROM
c)

A speed camera

d)
An inkjet printer
102.
 Which of the following is an output device?
a)
A scanner
b)
A barcode reader
c)
A printer
d)
A microphone
103.
Which of the following is computer software?
a)
A CPU
b)
RAM
c)
Microsoft PowerPoint
d)
ROM
104.
What would be a suitable device to transfer 12 photos from one PC to another?
a)
A USB pen drive
b)
A DVD-ROM
c)
An internal hard disk drive
d)
A scanner
105.
 Whats the missing word? INPUT ??????? OUTPUT
a)
Downput
b)
Process
c)
Offput
d)
Data
106.
Computer memory that temporarily stores information is called:
a)
Forgetful
b)
RAM
c)
ROM
107.
Which of the following is likely to be held in Read Only Memory (ROM)?
a)
Start-up instructions used when a PC is switched on
b)
A film loaded from a DVD
c)
A computer game
d)
A document saved by the user
108.
Memory that loses stored data when the computer is turned off is called?
a)
Lossy
b)
Unreliable
c)
Volatile
d)
Non-volatile
109.
What is the function of the Central Processing Unit (CPU)?
a)
To act as a permanent data store
b)
To act as a temporary data store
c)
To fetch, decode and execute instructions
d)
To hold computer programs while they are being used
110.
A single binary digit is known as a
a)
Byte
b)
Bit
c)
Nibble
d)
Bobble
111.
The number system that computers understand is called
a)
Decimal
b)
Denary
c)
Boolean
d)
Binary
112.
How many different binary codes can be represented in 2 bits?
a)
2
b)
4
c)
8
d)
16
113.
ASCII is:
a)
a programming language
b)
a code for representing characters in binary
c)
a type of computer
d)
a method of translating from denary to binary
114.
Which of the following can be represented in ASCII?
a)
Alphabetic characters such as A, B, C
b)
Numeric characters such as 5, 6, 7
c)
“Special” characters such as %, *, &
d)
all of the above
115.
The sound waves that we hear with our ears are?
a)
Digital
b)
Analogue
c)
Amplitude
d)
Frequency
116.
Sound is stored in digital form using
a)
Recording
b)
Sampling
c)
Grabbing
d)
Capturing
117.
The quality of a sound recording can be improved by taking samples more frequently
a)
True
b)
False
118.
If we take more samples, the sound file will become?
a)
Louder
b)
Smaller
c)
Quieter
d)
Larger
119.
A larger sound file requires more storage space
a)
True
b)
False
120.
The tiny dots which make up the images that we see on a computer are called?
a)
Pixies
b)
Pixels
c)
Dots
d)
Bits
121.
Each pixel contains binary number which represents?
a)
A file name
b)
A file size
c)
A frequency
d)
A colour
122.
The more pixels that a picture contains, the ????????? the file size
a)
Smaller
b)
Larger
c)
Faster

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