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PC2 Y9 CS mmd

Total questions: 96

Worksheet time: 52mins

Name
Class
Date
1.
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
2.
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
3.

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.

4.

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

5.
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.

6.
A computer network is ___ connected together.
a)
One computer
b)
Two or more
c)
Three or more
d)
Four or more
7.

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

8.

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

9.

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.

10.

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.

11.

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.

12.

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.

13.

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.

14.

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.

15.

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

16.
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.
17.

How does data get into a computer?

a)

Using USB flash drive

b)

Using input devices

c)

Using Google

d)

Using html code

18.

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

a)

Microphone

b)

HDD

c)

CD

d)

Mouse

19.
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
20.

...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

21.

An example of an output device

a)

Microphone

b)

Webcam

c)

Projector

d)

Keyboard

22.
...is any physical component that makes up the computer. 
a)
Hardware
b)
Software
c)
Storage
d)
Microchip 
23.
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
24.

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

a)

Microwave

b)

Keyboard

c)

DVD Player

d)

Digital watch

25.

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.

26.

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.

27.
ROM stands for...
a)
Read Optical Memory
b)
Random Only Memory
c)
Read Only Memory
d)
Random Optical Memory
28.
RAM stands for ...
a)
Read Access Memory
b)
Random Application Memory
c)
Read Application Memory
d)
Random Access Memory
29.
A computer has 1024 megabytes of RAM. That is the same as ...
a)
1 Gb
b)
1000 Gb
c)
1 Kb
d)
1 Tb
30.
The characteristics of RAM are it is .....
a)
Permanent, non-volatile, not expandable and you can't write to it
b)
Temporary, volatile, expandable and you can write to it.
31.
This memory stores the data of the operating system and programs that are currently running, for access by the CPU.
a)
RAM
b)
ROM
c)
Cache memory
d)
Flash memory
32.
Why is ROM need in a computer system?
a)
It stores the 'bootstrap loader' which is needed to load the operating system.Without it, the computer wouldn't turn on.
b)
It stores the data of the operating system and programs that are currently running, for access by the CPU.
33.
This is a method of making a computer appear to have more primary memory than it has really has physically. For instance a PC might have 2Gb of RAM as primary memory, but ___ of 4Gb.  If a computer relies on this memory it will be slow.
a)
Virtual Memory
b)
Random Access Memory
c)
Read Only Memory
d)
Cache Memory
34.
Why is Virtual Memory needed in a computer system?
a)
It is used as a fast type of memory for programs currently in use to speed up the performance of a computer.
b)
When several programs run at the same time, the RAM can be full. Instead of closing programs the Operating system uses virtual memory to store some data.
35.
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.
36.
What is a disadvantage of Virtual Memory?
a)
Read/Write speed of a hard disk drive is slower than RAM. If the computer has to rely on this, the system is much slower.
b)
Read/Write speeds of a hard drive are faster than RAM, meaning the system is much faster.
37.
A type of non-volatile solid state memory technology.
a)
RAM
b)
ROM
c)
Cache memory
d)
Flash memory
38.

Describe the purpose of RAM

a)

Stores the bootstrap which has instructions to load the Operating System.

b)

Stores data, instructions and programs currently in use.

39.
A client-server network does not store files locally on a computer on a network.  Instead they are stored on a 'server' - true or false?
a)
True
b)
False
40.
Which of the following is not a type of server?
a)
File Server
b)
Email Server
c)
Webpage Server
d)
PowerPoint Server
41.
Choose the best definition to explain what is meant by a 'peer to peer' network.
a)
Computers have equal status and do not rely on a central server.  Each workstation is effectively a server and client.
b)
A client is used to make requests, the server processes these requests and then responds to the request.  The server provides a service.
42.
Choose the best definition to explain what is meant by a 'client-server' network.
a)
Computers have equal status and do not rely on a central server.  Each workstation is effectively a server and client.
b)
A client is used to make requests, the server processes these requests and then responds to the request.  The server provides a service.
43.
What is the 'client' part of a network?
a)
A workstation, network node or node.
b)
A server providing a service to workstations on a network.
44.
Which of the following is an advantage of a client-server network?
a)
Files and folders cannot be centrally backed up.
b)
Does not need an expensive server as individual workstations are used to access files.
c)
The server is expensive to purchase
d)
Files are stored in a centralised location, meaning it is easier to backup.
45.
Which of the following is a disadvantage of a client-server network?
a)
Files and folders cannot be centrally backed up.
b)
Does not need an expensive server as individual workstations are used to access files.
c)
The server is expensive to purchase
d)
Files are stored in a centralised location, meaning it is easier to backup.
46.
Which of the following is a disadvantage of a peer to peer network?
a)
Files and folders cannot be centrally backed up.
b)
Does not need an expensive server as individual workstations are used to access files.
c)
The server is expensive to purchase
d)
Files are stored in a centralised location, meaning it is easier to backup.
47.
Which of the following is an advantage of a peer to peer network?
a)
Files and folders cannot be centrally backed up.
b)
Does not need an expensive server as individual workstations are used to access files.
c)
The server is expensive to purchase
d)
Network security can be carried out centrally.
48.
Which of the following is an advantage of a client-server network?
a)
If one computer fails it will not disrupt the network.
b)
There is little or no security.
c)
Users can access shared data which is centrally controlled.
d)
If any part of the network fails, a lot of disruption can occur.
49.
Which of the following is a disadvantage of a client-server network?
a)
If one computer fails it will not disrupt the network.
b)
There is little or no security.
c)
Users can access shared data which is centrally controlled.
d)
If any part of the network fails, a lot of disruption can occur.
50.
Which of the following is an advantage of a peer to peer network?
a)
If one computer fails it will not disrupt the network.
b)
There is little or no security.
c)
Users can access shared data which is centrally controlled.
d)
If any part of the network fails, a lot of disruption can occur.
51.
Which of the following is a disadvantage of a peer to peer network?
a)
If one computer fails it will not disrupt the network.
b)
There is little or no security which can leave them vulnerable.
c)
Users can access shared data which is centrally controlled.
d)
If any part of the network fails, a lot of disruption can occur.
52.

What is the role of a client in a client-server network?

a)

To make requests, like requesting a file

b)

To store and share files

53.

What is the role of a file server in a client-server network?

a)

To make requests, like requesting a file

b)

To store and share files

54.

Volatile memory...

a)

Retains any stored data when there's no power

b)

Loses any stored data when there's no power

55.

Non-volatile memory...

a)

Retains any stored data when there's no power

b)

Loses any stored data when there's no power

56.

Which statement is true?

a)

ROM contains the operating system

b)

RAM is part of the hard disk

c)

RAM stores programs / data used by the CPU

d)

ROM is volatile

57.

Which storage or memory solution below is used to store the BIOS?

a)

ROM

b)

Secondary Storage

c)

Hard Disk

d)

RAM

58.

Which of the following are volatile?

a)

RAM

b)

Secondary Storage

c)

ROM

d)

Hard Disk

59.

What is RAM in Desktop Computers, Notebooks, and Smartphones is usually measured in?

a)

Gigabytes

b)

Megabytes

c)

Kilobytes

d)

Bytes

60.

What does BIOS stand for?

a)

Binary Input Operating System

b)

Basic Input Output System

c)

Basic Input Operating System

d)

Basic Inverted Operating System

61.

If BIOS was stored in the RAM what would happen?

a)

It would run faster because RAM is quicker to read and write

b)

It would get erased every time the computer shut off

c)

The BIOS could be larger because RAM has larger capacities

d)

It would remain after the computer has been shut off

62.

RAM can be...

a)

Read

b)

Written

c)

Erased

63.

ROM can be...

a)

Read

b)

Written

c)

Erased

64.

Select the statements which best describe RAM...

a)

It is volatile

b)

It is non-volatile

c)

Usually smaller in capacity

d)

Usually higher in capacity

e)

Can be removable in some devices

65.

Select the statements which best describe ROM...

a)

It is volatile

b)

It is non-volatile

c)

Usually smaller in capacity

d)

Usually higher in capacity

e)

Can be removable in some devices

66.

BIOS contains...

a)

A set of instructions for starting up the computer

b)

The operating system the computer runs on

c)

Applications and general files

d)

All the data stored on the computer

67.

The CPU is the (a)   of the computer.

68.

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

69.

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

70.

The CU...

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

71.

The cache memory...

a)

does any maths or logic problems for the CPU

b)

stores frequently used instructions close to the CPU

c)

sends out control signals for the CPU

d)

holds specific data for the fetch-decode-execute cycle

72.

The registers...

a)

do any maths or logic problems for the CPU

b)

store data inside the CPU

c)

send out control signals for the CPU

d)

hold specific data for the fetch-decode-execute cycle

73.

The MAR stores the (a)   of data which is either being sent to or fetched from the RAM.

74.

The MDR holds the (a)   which is being sent to/fetched from the address in the MAR.

75.

The PC holds the address of the next (a)   which will be fetched.

76.

The PC is (a)   by 1 at the end of each fetch-decode-execute cycle.

77.

The ACC holds the result of any processing by the (a)   .

78.

The main purpose of the CPU is to run the _____-______-_______ cycle.


Please include the hyphens in your answer

(a)  

79.

The first stage of the Fetch-Decode-Execute cycle is:

a)

The next instruction is fetched from the RAM

b)

The instruction is decoded so that it can be done

c)

Any processing is done using the ALU

d)

The PC is incremented

80.

The second stage of the Fetch-Decode-Execute cycle is:

a)

The next instruction is fetched from the RAM

b)

The instruction is decoded so that it can be done

c)

Any processing is done using the ALU

d)

The PC is incremented

81.

The third stage of the Fetch-Decode-Execute cycle is:

a)

The next instruction is fetched from the RAM

b)

The instruction is decoded so that it can be done

c)

Any processing is done using the ALU

d)

The PC is incremented

82.

The final stage of the Fetch-Decode-Execute cycle is:

a)

The next instruction is fetched from the RAM

b)

The instruction is decoded so that it can be done

c)

Any processing is done using the ALU

d)

The PC is incremented

83.

Select the registers which hold memory addresses. [2]

a)

RAM

b)

MDR

c)

ACC

d)

PC

e)

MAR

84.

Select the registers. [3]

a)

ALU

b)

MDR

c)

ACC

d)

PC

e)

CU

85.

To get data from RAM, memory addresses are sent from the CPU down the...

a)

bus.

b)

registers.

c)

ROM.

d)

cache.

86.

Select the components of the CPU. [2]

a)

CU

b)

ALU

c)

ACC

d)

ROM

e)

PC

87.

Convert the following 4 digit binary number into denary:

0 1 1 1

a)

6

b)

8

c)

7

d)

5

e)

9

88.

Convert the following 4 digit binary number into denary:

0 1 0 1

a)

5

b)

4

c)

3

d)

1

e)

7

89.
Convert the denary value 112 into an 8-bit binary number
a)
01110000
b)
11000000
90.
What is the largest number you can represent with 8 bits?
a)
64
b)
128
c)
200
d)
255
91.

Convert the hexadecimal value 11 to 8-bit binary

(a)  

92.

Convert the hexadecimal value 20 to 8-bit binary

(a)  

93.

Convert the 8-bit binary number 10101001 to hexadecimal

(a)  

94.

Convert the 8-bit binary number 11001100 to hexadecimal

(a)  

95.
Convert the Hex number DA to binary.
a)
11001010
b)
11011011
c)
11011010
d)
11011110
96.
Convert the Hex number B9 to binary.
a)
10111001
b)
10111000
c)
10111101
d)
10101001

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