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Contingency Exam Team Quiz

Total questions: 76

Worksheet time: 38mins

Name
Class
Date
1.

Inside the CPU, you will find:

a)

ALU, CU, registers, cache memory

b)

ADU, PC, storage, RAM memory

c)

ARM, PC, controller, cache memory

d)

APM, CU, time signal, RAM memory

2.

The ALU....

a)

does any maths or logic problems for the CPU

b)

stores data inside the CPU

c)

sends out control signals for the CPU

d)

holds specific data for the fetch-decode-execute cycle

3.

What is the main purpose of the CPU?

a)

To Fetch, Decode and Execute Instructions (in MEMORY).

b)

To perform calculations.

c)

To render graphics on a screen.

d)

To manage the computer system.

4.

What is the main feature of the von Neumann Computer architecture?

a)

There is a single PRIMARY MEMORY for both data and instructions.

b)

The model as a single CPU

c)

The instructions are stored in PRIMARY MEMORY

d)

Data is stored in SECONDARY STORAGE

5.

Which of these are REGISTERS in the CPU? (Tick ALL that are correct)

a)

Accumulator

b)

ALU

c)

Program Counter

d)

Memory Address Register

e)

Control Bus Register

6.
Clock speed is measures in
a)
bytes
b)
bits
c)
time
d)
hertz
7.
A computer measured in 1 hertz can do how many things a second
a)
100
b)
1
c)
2
d)
1000
8.

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

9.

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

10.

Select the faster CPU...

a)

Intel CPU

Quad Core

3.0 GHz

b)

AMD CPU

Dual Core

4.5 GHz

c)

AMD CPU

Dual Core

5.0 GHz

d)

Intel CPU

Single Core

3.9 GHz

11.

Select the slowest CPU...

a)

Intel CPU

Quad Core

3.0 GHz

b)

AMD CPU

Dual Core

4.5 GHz

c)

AMD CPU

Dual Core

5.0 GHz

d)

Intel CPU

Single Core

3.9 GHz

12.

What is secondary storage?

a)

long term storage of files or data

b)

short term storage of files or data

c)

temporary storage of files or data

13.

What are the three types of secondary storage?

a)

optical, flash, magnetic

b)

optical, magnetic, hard drive

c)

optical, magnetic, solid-state

d)

magnetic, solid-state, flash

14.

What type of storage is a CDROM?

a)

optical

b)

magnetic

c)

solid-state

15.

What type of storage is the fastest to read data from?

a)

optical

b)

magnetic

c)

solid-state

16.

What type of storage is the most expensive per GB?

a)

optical

b)

magnetic

c)

solid-state

17.
A single layer DVD should hold approximately:
a)
About a 135 hours movie
b)
About 200 MP3 songs
c)
About 200 MP4 songs
d)
About a 135 minute movie 
18.
A typical mp3 encoded music file takes up 4MB. You have a smart phone with 6GB of storage. How many tracks can be stored on the phone?
a)
1 million music files
b)
1,500 music files
c)
100 music files
d)
10 thousand music files
19.

Which type of secondary storage would be suitable for a student doing geography coursework outdoors?

a)

Magnetic - its cheap and has a large capacity

b)

Solid state - if the device was dropped it is less likely to break, due to there being no moving parts.

c)

Optical - most people have a device capable of reading optical disks at home.

20.

Which type of secondary storage would be suitable to store a school production on and give to parents?

a)

Magnetic - its cheap and has a large capacity

b)

Solid state - if the device was dropped it is less likely to break, due to there being no moving parts.

c)

Optical - most people have a device capable of reading optical disks at home.

21.

The __________ file tells us where files start and end on the hard drive.

a)

table of contents

b)

directory

c)

reference

d)

link

22.

Modern file storage systems store data in _________.

a)

blocks

b)

rows

c)

flat

d)

folders

23.

The top most folder/directory is also called the __________.

a)

root directory

b)

parent directory

c)

first directory

d)

mother folder

24.

Which of these define what secondary storage is?

a)

Non-volatile storage / devices that are not directly accessible by the CPU

b)

Any non-volatile storage

c)

All memory technologies that use magnetism.

d)

Any memory technology using laser light

e)

A USB device

25.

Which of these statements explain "durability"?

a)

Length of time expected for data to last.

b)

Whether the data will be saved as expected.

c)

The data is not affected when saved.

d)

No changes to the file formatting.

26.
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.
27.
What is the most durable?
a)
Magnetic Tape
b)
Solid State Drive
c)
Hard Drive
d)
CD
28.
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
29.

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

30.

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

31.

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

32.

What type of compression allows you to reconstruct the original data?

a)

Lossless compression

b)

Lossy compression

33.

Based on your experience with text compression, which of the following sentences would compress the BEST?

a)

The quick brown fox jumped over the lazy dog.

b)

Buffalo buffalo Buffalo buffalo buffalo buffalo Buffalo buffalo.

c)

How much wood would a woodchuck chuck if a woodchuck could chuck wood?

d)

JavaScript scripts are actually different scripts than Java scripts.

34.

I write a poem 100 characters long. I compress this to a string that is 30 characters long and a "key" that is 10 characters long. What is my % compression?

a)

30%

b)

70%

c)

40%

d)

60%

35.

3.5MB is how many kB?

a)

350

b)

3500

c)

3500000

d)

35000

36.

Which of the following would not be suitable for Lossy Compression?

a)

Images

b)

Music

c)

Videos

d)

Text

37.

Compression in general makes it _______ to send, upload and stream data

a)

Quicker

b)

Slower

38.

Lossless compression permanently deletes the data

a)

True

b)

False

39.

How many bytes are in 2MB?

a)

2,000000 (2 million)

b)

2000 (2 thousand)

c)

2,000,000,000 (2 billion)

40.

How many bytes are in 2KB?

a)

2,000000 (2 million)

b)

2000 (2 thousand)

c)

2,000,000,000 (2 billion)

41.

Which is the best definition of a network?

a)

Lots of interconnected computers

b)

Two or more computers connected together

c)

computers which can connect to the internet

d)

the Internet

42.

What is Packet Switching?

a)

Sending packets over different routes on the internet

b)

exchanging packets from one user to another

c)

stealing one packet and swapping another one to replace it

43.

how does IP Version 6 compare to IP V4

a)

It has more addresses

b)

It is easier to use

c)

It is faster

d)

It is cheaper

44.

What does NIC stand for

a)

Network Internet Controller

b)

Network International Communications

c)

Network Interface Card

d)

Network Internet Communicator

45.

What is a Router?

a)

a device for accessing the internet

b)

A device to direct cars to their destinations

c)

A packet of data

46.
Which of these is an advantage of linking computers in a network?
a)
It allows users to share hardware
b)
You get faster internet
c)
It makes it harder for malware to spread
d)
Network workstations are cheap as chips
47.
Which one of these is not a difference between a LAN and a WAN?
a)
their geographical area
b)
LAN uses its own dedicated cables
c)
They use different protocols
d)
LANS use binary, WANs use hex.
48.
What is a MAC address?
a)
The address of a communication devices in your computer
b)
A 32 bit binary number expressed in dotted decimal
c)
A temporary address which is allocated on a computer on a network
d)
It's the IP address of the DNS server
49.
What is a backup?
a)
The most recent version of a file
b)
A second copy of a file stored in a different location
c)
A second server which can take over if the main one fails
d)
The guy who catches the ball if the batter misses it
50.
What does JPG stand for?
a)
Joint Photographic Experts Group
b)
Joint Picture Guidelines
c)
Joined PNG Graphics
d)
Java-Point Graphic
51.

What does a Hub do?

a)

Once received sends data packets to all workstations

b)

Sends data packets only to intended recipient using MAC address

c)

Sends data packets through the internet

d)

Reduces network traffic

52.

What is a disadvantage of a Mesh network

a)

Redundant connections

b)

Slower than Star

c)

No single point of failure

d)

Expansion doesn't disrupt the network

53.

Which network topology would you typically find in most homes?

a)

Star

b)

Bus

c)

Mesh

d)

WiFi

54.

I don't have a server in my network. What type of network is this?

a)

Mesh

b)

Star

c)

Client-Server

d)

Peer-2-Peer (P2P)

55.
What are two factors that affect network performance?
a)
Traffic and bandwidth
b)
Lag and ping
c)
Banter and bants
56.
What is bandwidth?
a)
The amount of data that can be carried at any one time.
b)
The overall amount of data I use in a month.
c)
The speed of my data per second to a friend and back.
57.
What type of Software is needed to control the computer’s hardware? (1-3) 
a)
Programming Software 
b)
Systems Software 
c)
Application Software 
d)
Bespoke Software 
58.

Why is systems software needed? Tick all that apply

a)

To provide an interface between software and hardware.

b)

To control the memory so that many apps can be opened at the same time.

c)

To allow the computer system to turn on.

d)

To help maintain or configure a computer system.

59.
Which part of the operating system will allocate memory to applications to allow more than one piece of software to be run at once?
a)
Memory management
b)
File and disk management
c)
User management
d)
User interface
60.
Which part of the operating system deals with the movement, editing and deletion of data?
a)
Memory management
b)
File and disk management
c)
User management
d)
User interface
61.
Being able to run several applications at the same time is known as�
a)
Multi tasking
b)
Application management
c)
Multi cores
d)
Application control
62.

Which is not a type of System software?

a)

Device drivers

b)

Utility programs

c)

Applications

d)

Operating systems

63.

What does 'Defensive Design' mean?

a)

A method of planning a program using shapes.

b)

A method of planning a program using plain English.

c)

A method of designing a program so that it functions properly and doesn't crash.

d)

A method of checking that an input matches the criteria.

64.

What does 'Input Validation' mean?

a)

A method of removing unwanted characters from an input.

b)

A method of planning a program using plain English.

c)

A method of designing a program so that it functions properly and doesn't crash.

d)

A method of checking that an input matches the criteria.

65.

What does 'Input Sanitisation' mean?

a)

A method of removing unwanted characters from an input.

b)

A method of planning a program using plain English.

c)

A method of designing a program so that it functions properly and doesn't crash.

d)

A method of checking that an input matches the criteria.

66.

Which of the following Validation Checks is the most suitable for checking a text box has been filled in?

a)

Range Check

b)

Presence Check

c)

Format Check

d)

Check Digit

67.

Which of the following Validation Checks is the most suitable for checking a postcode has been entered correctly?

a)

Range Check

b)

Presence Check

c)

Format Check

d)

Check Digit

68.

What is the purpose of a Look-up table?

a)

To check data is within a specified range.

b)

To check data is in the correct format.

c)

To check data against a table of acceptable values.

d)

To check data is the correct length.

69.

What does 'Verification' mean?

a)

Checking an input is within a specified range, for example DOB between 01/09/2009 and 31/08/2010 for new year 7s.

b)

Checking an input is in the correct format, for example an email must include @.

c)

Checking an input is correct, for example asking a user to type their password in twice (double entry).

d)

Checking an input is the correct length, for example, a password should be at least 8 characters long.

70.

What is the most common method of Authentication?

a)

Biometrics.

b)

Passwords.

c)

An e-mail address.

d)

A username.

71.

What are the features of 'Well-Maintained Code'?

a)

Comments and global variables.

b)

No indentation.

c)

Comments, indentation and suitably named variables.

d)

Local variables only.

72.

What is a syntax error?

a)

When a program cannot link to the correct library, eg import math is missing.

b)

When a program runs out of memory, eg print (X[3]) when there are only 3 items in a list/array.

c)

When the rules and grammar of the programming language have not been followed, eg prnt().

d)

When a program does something unexpected, eg X/0

73.

What is a linking error?

a)

When a program cannot link to the correct library, eg import math is missing.

b)

When a program runs out of memory, eg print (X[3]) when there are only 3 items in a list/array.

c)

When the rules and grammar of the programming language have not been followed, eg prnt().

d)

When a program does something unexpected, eg X/0

74.

What is a logic error?

a)

When a program cannot link to the correct library, eg import math is missing.

b)

When a program runs out of memory, eg print (X[3]) when there are only 3 items in a list/array.

c)

When the rules and grammar of the programming language have not been followed, eg prnt().

d)

When a program does something unexpected, eg X/0

75.

When should a test plan be created?

a)

Analysis stage

b)

Design Stage

c)

Implementation Stage

d)

Testing Stage

76.

What does IDE stand for?

a)

Integrated Development Environment.

b)

International Development Environment.

c)

Integrated Documentation Envelope.

d)

International Documentation Envelope.

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