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Worksheets

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Total questions: 103

Worksheet time: 1hrs 21mins

Name
Class
Date
1.

What digits are part of the binary number system?

a)

0-9

b)

0-F

c)

0 and 1

d)

1-9

2.

What digits are part of the binary number system?

a)

0-9

b)

0-F

c)

0 and 1

d)

1-9

3.

In a number system like binary, what is the value of each digit called?

a)

Place value

b)

Base

c)

Bargain value

d)

ASDA value

4.

What number do you carry when adding two binary numbers?

a)

0

b)

1

c)

You never carry a number as numbers are heavy

5.

Convert the binary number 1001 to decimal.

a)

4

b)

5

c)

9

d)

11

6.

Convert the binary number 1110 to decimal.

a)

3

b)

10

c)

15

d)

14

7.

Convert the binary number 1010 to decimal.

a)

8

b)

10

c)

9

d)

7

8.

Convert the decimal number 4 to binary.

a)

1000

b)

0101

c)

0010

d)

0100

9.

Convert the decimal number 14 to binary.

a)

1110

b)

1100

c)

1011

d)

0101

10.

Add the binary numbers 0011 and 0001

a)

0100

b)

1001

c)

0110

d)

0010

11.

Add the binary numbers 0110 and 1010

a)

1101

b)

11001

c)

11000

d)

10000

12.

Add the binary numbers 01101101 and 11011011

a)

0101001000

b)

1010110111

c)

1101010101

d)

0110100101

13.

What can a bit hold?

a)

1 and 0

b)

1 or 0

14.

How many bits are in a byte?

a)

4

b)

2

c)

8

d)

10

15.

How many bits are in a nibble?

a)

8

b)

4

c)

2

d)

10

16.

How many bytes are in a kilobyte?

a)

1024

b)

100

c)

1234

d)

128

17.

Convert Binary into Denary:

0110 1100

a)

108

b)

107

c)

106

d)

109

18.

Convert Denary into Binary:

254

a)

1111 1100

b)

1110 1111

c)

1010 0101

d)

1111 1110

19.

Hexadecimal number system is a base (a)   system

20.

Convert Binary into Hexadecimal:

1011 1110 0001

a)

CE2

b)

6ED

c)

BE1

d)

9G2

21.

Convert Hexadecimal into Binary:

45A

a)

0100 0101 1010

b)

1011 1111 0000

c)

1001 0011 0110

d)

0100 0101 1011

22.

Convert Hexadecimal into Denary:

45A

a)

1234

b)

4321

c)

1114

d)

6969

23.

Convert Denary into Hexadecimal:

2004

a)

DE4

b)

7D4

c)

BE4

d)

65D

24.

A MAC address is usually made up of how many bits?

a)

48

b)

32

c)

64

d)

128

25.

2 types of IP addresses?

a)

IPv4 and IPv6

b)

IPv4 and IPv8

c)

IPv3 and IPv6

d)

IPv9 and IPv10

26.

Add the 2 Binaries:

0010 0111

and

0100 1010

a)

1001 0101

b)

0111 0001

c)

1011 1111

d)

0001 1000

27.

Shift this Binary 3 places left:

0001 0101

a)

1010 1000

b)

1000 1010

c)

0101 0100

d)

0000 1111

28.

Convert negative binary numbers in two's compliment format into Denary:

1001 0011

a)

-246

b)

-109

c)

-69

d)

-108

29.

Convert negative denary into Binary in two's compliment format:

-67

a)

1011 1101

b)

1011 1111

c)

1010 1111

d)

1100 0011

30.

Sound waves are analogue data. Computers cannot work with analogue data. So what is need to be done in order for computers to store sound waves.

a)

Sound waves need to be sampled.

Can do this by ADC

(Analogue to Digital Converter)

b)

Sound waves need to be recorded.

c)

Sound waves need to change frequency. By SWFC

(Sound wave to frequency converter)

d)

Sound waves cannot be stored in computer from external sounds.

31.

What is meant by sampling resolution (bit depth)?

a)

The number of bits per sample.

b)

The number of bytes per sample.

c)

The number of pixels per sample.

d)

The number of data per sample.

32.

Bitmap images are made up of (a)  

33.

The number of bits used to represent each color is called the (a)  

34.

What is an Image Resolution?

a)

Number of pixels in an image.

b)

Number of bits in an image.

c)

Number of bytes in an image.

d)

Number of data in an image.

35.

Main drawback of high resolution images?

a)

Increase in file size

b)

Increase in pixels

c)

The quality of Image.

d)

No drawbacks.

36.

A (a)   is the basic unit of all computing memory storage terms.

37.

File size of an image is calculated as:

a)

Image resolution (in pixels) x colour depth (in bits)

b)

Sample rate x sample resolution x length of sample

c)

Image resolution + colour depth

d)

Image resolution - colour depth

38.
What is a pixel?
a)
Picture element - the small dots that make up an image.
b)
How an image is stored on the computer.
c)
A type of image
d)
A special type of photograph
39.
A bitmap image is made up of
a)
Pixels
b)
Colours
c)
Sounds
d)
Samples
e)
Characters
40.
The number of pixels per inch in an image is known as the
a)
Dimensions
b)
Colour depth
c)
Resolution
d)
Megapixels
41.
Increasing the resolution of an image means that
a)
More pixels will be used to make up the image
b)
More colours will be used to make up the image
c)
The image size will be bigger
42.
The binary code for each pixel is used to determine
a)
Which colour will be displayed
b)
How big the image is
c)
What shape the image is
d)
How many pixels will be in the image
43.
Which is NOT an effect of increasing the resolution in an image?
a)
More colours can be displayed.
b)
More binary will be required to create the image.
c)
Larger file size
d)
Higher quality image
44.
Most graphic formats create many colours from:
a)
Red, green, blue.
b)
Red, pink, yellow.
c)
Red, white, blue.
d)
Black, white, green.
45.

In a bitmap graphic each pixel is represented in _______

a)

Denary

b)

Binary

c)

Hexadecimal

d)

By letters

46.

How many bits per pixel do you need to make 4 colours?

a)

colour depth of 1

b)

colour depth of 2

c)

colour depth of 3

d)

colour depth of 4

47.

What is the colour depth of the image?

a)

colour depth of 1

b)

colour depth of 2

c)

colour depth of 4

d)

colour depth of 16

48.

A Byte consists of this many bits

a)

2

b)

4

c)

8

d)

16

49.

A 1-bit image has this many colours

a)

2

b)

4

c)

8

d)

16

50.

Which is larger?

a)

Bit

b)

Byte

51.

Which unit of data is biggest?

a)

Megabyte

b)

Gigabyte

c)

Kilobyte

d)

Terabyte

52.

ASCII is used to

a)

Represent an image

b)

Give a binary code to a pixel

c)

Give a binary code to a character

d)

Calculate the size of a text file

53.

A USB Flash drive would most likely be measured in which unit of data?

a)

Megabytes

b)

Kilobytes

c)

Gigabytes

d)

Petabytes

54.
Freely available and can be used or modified.
a)
Developers
b)
Open source
c)
Platform
d)
LAMP
55.
Person that creates software.
a)
Developers
b)
Open source
c)
Platform
d)
LAMP
56.
Open source operating systems that forms the basis of many web – based applications.
a)
Apache
b)
MySQL
c)
Linux
d)
PHP
57.
Open source database management system used in the most popular websites.
a)
Apache
b)
MySQL
c)
Linux
d)
PHP
58.
Use web-based applications rather than programs stored on a PC.
a)
Infrastructure
b)
Cloud computing
c)
Bandwidth
d)
Architecture
59.
Amount of data that can be transmitted in a fixed amount of time.
a)
Infrastructure
b)
Cloud computing
c)
Bandwidth
d)
Architecture
60.
Defines the structure and layout of web pages.
a)
Static
b)
HTML
c)
Dynamic
d)
XML
61.
Instructions in a computer program.
a)
JavaScript
b)
Code
c)
AJAX
d)
API
62.
Program or piece of software.
a)
Object- oriented
b)
Applications
c)
App
d)
Dynamic
63.
Abbreviation mostly for mobile phones.
a)
Object- oriented
b)
Applications
c)
App
d)
Dynamic
64.

A list of steps to complete a task

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

65.

An algorithm that has been coded into something that can be run by a machine

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

66.

the brains of the computer where most calculations take place.

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

67.

Part of a program that does not work correctly.

a)

Software

b)

Bug

c)

Debug

d)

Computer

68.

Finding and fixing problems in an algorithm or program.

a)

Software

b)

Bug

c)

Debug

d)

Computer

69.
_______ is how we write code
a)
Syntax
b)
Loops
c)
Variables
d)
Functions
70.
__________ are actions an object can do
a)
Value
b)
Syntax
c)
Objects
d)
Functions
71.
_____ is a way of repeating code
a)
While
b)
Expression
c)
Loop
d)
Lopp 
72.
_________ holds your data for later
a)
Object
b)
Expression
c)
Variable
d)
Value
73.
______ is a type of programming data that represents text
a)
Basic
b)
Syntax
c)
Argument
d)
String
74.

A list of steps to complete a task

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

75.

An algorithm that has been coded into something that can be run by a machine

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

76.

the brains of the computer where most calculations take place.

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

77.

Part of a program that does not work correctly.

a)

Software

b)

Bug

c)

Debug

d)

Computer

78.

Finding and fixing problems in an algorithm or program.

a)

Software

b)

Bug

c)

Debug

d)

Computer

79.
_______ is how we write code
a)
Syntax
b)
Loops
c)
Variables
d)
Functions
80.
__________ are actions an object can do
a)
Value
b)
Syntax
c)
Objects
d)
Functions
81.
_____ is a way of repeating code
a)
While
b)
Expression
c)
Loop
d)
Lopp 
82.
_________ holds your data for later
a)
Object
b)
Expression
c)
Variable
d)
Value
83.
______ is a type of programming data that represents text
a)
Basic
b)
Syntax
c)
Argument
d)
String
84.

A list of steps to complete a task

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

85.

An algorithm that has been coded into something that can be run by a machine

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

86.

the brains of the computer where most calculations take place.

a)

Algorithm

b)

Program

c)

CPU

d)

Hardware

87.

Part of a program that does not work correctly.

a)

Software

b)

Bug

c)

Debug

d)

Computer

88.

Finding and fixing problems in an algorithm or program.

a)

Software

b)

Bug

c)

Debug

d)

Computer

89.
_______ is how we write code
a)
Syntax
b)
Loops
c)
Variables
d)
Functions
90.
__________ are actions an object can do
a)
Value
b)
Syntax
c)
Objects
d)
Functions
91.
_____ is a way of repeating code
a)
While
b)
Expression
c)
Loop
d)
Lopp 
92.
_________ holds your data for later
a)
Object
b)
Expression
c)
Variable
d)
Value
93.
______ is a type of programming data that represents text
a)
Basic
b)
Syntax
c)
Argument
d)
String
94.
What is software?
a)
any set of instructions that tells the hardware what to do
b)
the video card on the monitor
c)
the operating system
d)
the monitor and computer case
95.
What is hardware?
a)
all the ports and buttons of a computer
b)
is any part of your computer that has a physical structure.
c)
is any part of your desktop
d)
software
96.

A _______ is an electronic device that manipulates information, or data.

a)

Software

b)

Hardware

c)

Keyboard

d)

Computer

97.

These can be used to connect almost any type of device, including mice, keyboards, printers, and digital cameras.

a)

Audio In

b)

Audio Out

c)

USB Port

d)

Monitor Port

98.

You can use this port for networking and connecting to the Internet.

a)

USB Port

b)

Serial Port

c)

Ethernet Port

d)

Power Button

99.

The ________ is the computer's main circuit board. It's a thin plate that holds the CPU, memory, connectors for the hard drive and optical drives, expansion cards to control the video and audio, and connections to your computer's ports.

a)

RAM

b)

CPU

c)

Optical Disc Drive

d)

Motherboard

100.

The _____, also called a processor, is located inside the computer case on the motherboard. It is sometimes called the brain of the computer, and its job is to carry out commands.

a)

CPU (Central Processing Unit)

b)

PUC (Processing Unit Central)

c)

CUP (Central Unit Processing)

d)

Center Process Unification

101.

____ is your system's short-term memory. Whenever your computer performs calculations, it temporarily stores the data in the RAM until it is needed.

a)

REM

b)

RIM

c)

RAM

d)

ROM

102.

The ______ is where your software, documents, and other files are stored. It long-term storage, which means the data is still saved even if you turn the computer off or unplug it.

a)

RAM

b)

USB

c)

Hard Drive

d)

Storage Drive

e)

SSD

103.

An _____________ is the most important software that runs on a computer. It manages the computer's memory and processes, as well as all of its software and hardware.

a)

Banana

b)

Hardware

c)

Software

d)

Operating System

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