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Year 8 Master Quiz

Total questions: 107

Worksheet time: 1hrs 5mins

Name
Class
Date
1.

What do we use to identify and modify screen elements or widgets?

a)

onEvent

b)

dropdowns

c)

properties

d)

buttons

2.

What will happen when this code is run?

a)

'that's great' will appear in the console log

b)

'that's great' will appear on the screen

c)

'try again' will appear in the console log

d)

'try again' will appear on the screen

3.

Which programming language does AppLab use?

a)

Java

b)

Python

c)

JavaScript

d)

C++

4.

Two rules for naming elements or components of your app:

a)

Start with a capital letter

b)

Use a widget identifier such as btn or scr to help you know which element does what

c)

Always leave a space between words

d)

Use camel case for multiple words

5.

Logic errors are ......

(2 answers)

a)

When the computer returns an error message of some kind that is a clue about what it can't understand

b)

When the program runs but doesn't do what you think it should

c)

Situations where no error message is displayed, the output is either not what you expect or nothing happens

d)

things misspelled or written in such a way the computer doesn't understand what you're trying to say

6.

A variable ............

3 answers

a)

starts with a lower case letter

b)

can change during the running of the program

c)

is a container for storing a value

d)

is fixed for the duration of the program

7.

A syntax error

2 answers

a)

is an error in the coding language which prevents the program from running

b)

could be caused by misspelling the name of a variable or element

c)

could be caused by using the wrong operator to calculate an answer

d)

could be caused by entering incorrect data into a variable

8.

This code was set up to add 1 point to score every time a widget called 'hitGold' was clicked. What is missing from line 4?

a)

score = 1

b)

score = +1

c)

score = score + 1

d)

score + 1

9.
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
10.
A bitmap image is made up of
a)
Pixels
b)
Colours
c)
Sounds
d)
Samples
e)
Characters
11.
The number of pixels per inch in an image is known as the
a)
Dimensions
b)
Colour depth
c)
Resolution
d)
Megapixels
12.
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
13.
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
14.
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
15.
Most graphic formats create many colours from:
a)
Red, green, blue.
b)
Red, pink, yellow.
c)
Red, white, blue.
d)
Black, white, green.
16.

In a bitmap graphic each pixel is represented in _______

a)

Denary

b)

Binary

c)

Hexadecimal

d)

By letters

17.

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

18.

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

19.

A Byte consists of this many bits

a)

2

b)

4

c)

8

d)

16

20.

A 1-bit image has this many colours

a)

2

b)

4

c)

8

d)

16

21.

Which is larger?

a)

Bit

b)

Byte

22.

Which unit of data is biggest?

a)

Megabyte

b)

Gigabyte

c)

Kilobyte

d)

Terabyte

23.

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

24.

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

a)

Megabytes

b)

Kilobytes

c)

Gigabytes

d)

Petabytes

25.

Binary is the language ​​ (a)   ​ use to communicate. They only use 1s and 0s.

​ ​ (b)   use 1's,10s,100s,1000s. This is called base 10. Computers use base 2 as they only​ ​ (c)   two numbers.  1 for ​ (d)   ​ and    0 for ​ ​ (e)  

Choose from the below words
Computers
Humans
understand
ON
OFF
26.

Select the number that is shown in image

a)

50

b)

60

c)

70

d)

80

27.

Put the binary Numbers in order from smallest to largest.

a)

0001

b)

0010

c)

0011

d)

0100

e)

0101

1)
2)
3)
4)
5)
28.

What is 0001 in denary (base 10)?

(a)  

29.
How would you write the number two in binary?
a)
1001
b)
0001
c)
0000
d)
0010
30.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
31.
Which of these is the correct sequence for the place values for binary numbers?
a)
1, 2, 4, 8, 16, 32, 64, 128
b)
1, 2, 4, 6, 8, 10, 12, 14, 16
c)
1, 2, 3, 4, 5, 6, 7, 8
d)
0, 1
32.
What is 12 in binary?
HINT: It has an 8 and a 4 in it!
a)
12
b)
11
c)
1100
d)
1011
33.

What is the decimal equivalent of the binary number 1010?

a)

2

b)

5

c)

8

d)

10

34.

What is the binary representation of the decimal number 7?

a)

0011

b)

0111

c)

1010

d)

1110

35.

What is the decimal equivalent of the binary number 1111?

a)

7

b)

8

c)

9

d)

15

36.

What is the binary representation of the decimal number 20

a)

10100

b)

11010

c)

11100

d)

11110

37.

Match the following

a)

0010

1.

2

b)

0100

2.

4

c)

1000

3.

8

d)

1010

4.

10

e)

0001

5.

1

38.

Match the following

a)

Base 10

1.

Decimal

b)

Base 2

2.

Binary

c)

Binary

3.

0 and 1

d)

Denary

4.

0,1,2,3,4,5,6,7,8,9

e)

1111

5.

15

39.

Binary uses electrical signals

a)

True

b)

False

40.

Each 1 and 0 represented in binary is called a bit

a)

True

b)

False

41.

Match the following

a)

numbers humans use in every day life

1.

Denary

b)

numbers computers use

2.

Binary

c)

Off

3.

0

d)

On

4.

1

42.

The number of lines drawn in each case, assuming that the turtle module has been imported:

Case 1:

for i in range(0,10):

turtle.forward(100)

turtle.left(90)

Case 2:

for i in range(1,10):

turtle.forward(100)

turtle.left(90)

a)

10,9

b)

9,10

c)

9,9

d)

10,10

43.

Fill in the blank such that the following Python code results in the formation of an inverted, equilateral triangle.

import turtle

t=turtle.Pen()

for i in range(0,3):

t.forward(150)

t.right(_____)

a)

-60

b)

120

c)

-120

d)

60

44.

What will be the output shape of the following Python code?

import turtle

t=turtle.Pen()

for i in range(1,4):

t.forward(60)

t.left(90)

a)

Rectangle

b)

Trapezium

c)

Triangle

d)

Square

45.

The correct syntax for creating a turtle is

a)

Turtle = turtle

b)

house = tutle.Turtle()

c)

house = turtle-Turtle()

d)

house = turtle.Turtle()

46.
Look at this code, how many times will it loop?
a)
50
b)
90
c)
0
d)
4
47.
Look at this code, what shape will it make?
a)
Square
b)
Triangle
c)
Rectangle
d)
Hexagon 
48.
What is wrong with this code?
a)
Missing Brackets
b)
Missing Comma
c)
Missing Colon
d)
Incorrect spelling 
49.

How do we create variables in python?

a)

Var ==1

b)

Var != 1

c)

Var = 1

d)

Var ;= 1

50.

How do we print a statement in python?

a)

print_(x)

b)

print.x

c)

print.(x)

d)

print(x)

51.

What will be the output for the following program

x = 'apple'

print(x)

a)

X

b)

x

c)

print(X)

d)

apple

52.

There is an error on this piece of code, what is the correct statement?

a)

screen.bgcolor("lightblue")

b)

screen.bgcolor="lightblue")

c)

screen.bgcolour("lightblue")

d)

screen.bgcolor=lightblue()

53.
What does turn(90) do?
a)
Turns right 90 degrees
b)
Turns left 90 degrees
c)
Moves forward 90
d)
Does nothing as 'turn' is not a turtle instruction
54.

What is the correct syntax for the for loop in python turtle?

a)

for i in range()

b)

for i in range()::

c)

for i in range

d)

for i in range():

55.

What is the correct syntax for the for loop in python turtle?

a)

for i in range()

b)

for i in range()::

c)

for i in range

d)

for i in range():

56.

What is a network?

a)

A single computer that is not connected to any other.

b)

Two or more computers that are connected together by cables or Wi-Fi.

c)

Lots of computers in one place

57.

What is a client?

a)

A client is any computer in a network.

b)

A client is a single computer that is not connected to any other.

c)

A client is the central hub in a network.

58.

What is a server?

a)

A server is any computer in a network.

b)

A server is a powerful computer that acts as a central hub in a network.

c)

A server is a single computer that is not connected to any other.

59.

Which of these would be a benefit of having a network?

a)

Preventing any viruses spreading from computer to computer.

b)

Sharing hardware, software and data.

c)

Preventing computers from being hacked.

60.

Which of these is a problem that could occur with a network?

a)

A virus spreading from computer to computer.

b)

Sharing software and data.

c)

Sharing hardware.

61.

What is a computer called when it is not connected to a network?

a)

A client.

b)

A server.

c)

A standalone.

62.

What is a local area network?

a)

Computers or devices that are connected over a large geographic area.

b)

Computers or devices that are not connected together.

c)

Computers or devices that are connected over a small geographic area.

63.

What is an example of a local area network?

a)

A school network.

b)

The internet.

c)

A standalone.

64.

What is a wide area network?

a)

Computers or devices that are connected over a small geographic area.

b)

Computers or devices that are connected over a large geographic area.

c)

Computers or devices that are not connected together.

65.

What is an example of a wide area network?

a)

A home network.

b)

A standalone.

c)

The internet.

66.

What is a network?

a)

A group of 1 or more devices which communicate

b)

A group of 2 or more devices which communicate

c)

When 2 or more computers are in the same building.

d)

A group of 3 or more devices which communicate

67.

Hospitals, banks and supermarkets are all linked using which network type?

a)

WAN

b)

LAN

c)

BUS

d)

WiFi

68.
Which of the three main topologies rely on a single main cable to transmit data packets?
a)
Ring
b)
Star
c)
Bus
69.
One of my workstations has gone down and my entire network has gone down. Which topology am I using?
a)
Ring
b)
Star
c)
Bus
70.
WAN stand for ?
a)
Wide Area Natrok
b)
Wide Area Netwok
c)
Wide Aral Network
d)
1,2
71.

What is the fastest type of network connection?

a)

Ethernet

b)

Mobile data

c)

Fibre optics

d)

Wi-fi

72.

How far can Wi-fi reach?

a)

Around 50 meters

b)

Around 70 meters

c)

Around 20 meters

d)

Around 100 meters

73.

Which of these is not a wireless connection?

a)

Bluetooth

b)

4G

c)

Wi-fi

d)

Ethernet

74.

Which is faster, a Wired or wireless connection?

a)

Wired

b)

Wireless

c)

Both are the same speed

75.
What is a LAN?
a)
Local Area Network
b)
Local Access Network
c)
Localized Area Network
76.
What is a characteristic of a LAN?
a)
Small geographical location such as a school or small office.
b)
Really cheap to set up.
c)
Uses less cables than a star.
77.
What type of network is this?
a)
Ring 
b)
Bus 
c)
Star
d)
Mesh
78.
The internet is the worlds biggest
a)
LAN
b)
WAN
79.
Which network topology is the most common way of setting up a network?
a)
Star
b)
Ring
c)
Bus
80.
A router can
a)
Forward data packets
b)
Absorb signals
c)
Repeat signals
d)
absorb data packets
81.
What does NIC stand for?
a)
Network Internet Card
b)
New Internet Creator
c)
Network Interface Card
d)
Network Interceptor Card
82.
What type of network is this?
a)
Mesh
b)
Star
c)
Ring
d)
Token
83.
What type of network is this?
a)
Ring
b)
Mesh
c)
Star
d)
Bus
84.

Which of these is an disadvantage of a Bus network?

a)

Expensive

b)

Needs extra hardware

c)

Slow

85.

What are networks used for?

a)

to access the internet

b)

To connect devices to each other

86.

Which of the following is showing part of Arcade coding platform?

a)
b)
c)
d)
87.

Which is the code where you can create/draw your own sprite?

a)
b)
c)
d)
88.

What does this code do to sprite? (select all correct)

a)

Moves up and down

b)

Moves left and right

c)

Shoots projectiles

d)

Changes background

89.

Where can you find codes for Life, Countdown, Score ?

a)

Info

b)

Variables

c)

Game

d)

Controller

90.

Which code is missing from picture that makes sure you always see your sprite?

a)
b)
c)
91.

Where do you find code for Game over?

a)

Sprites

b)

Info

c)

Logic

d)

Game

92.

Code < pick random () to () > code is in (a)   .

93.

What is this tool called?

a)

Quick Selection Tool

b)

Rectangular Marquee Tool

c)

Spot healing brush tool

d)

Move Tool

94.
How do you undo a mistake that happened more than one move ago?
a)
Edit --> Undo
b)
Edit --> Step Backward
c)
File --> Revert
d)
Edit --> Step Forward
95.
This is called the...
a)
Photoshop stuff
b)
Drawings
c)
Layers 
d)
Pictures
96.
This tool is called...
a)
The eraser.
b)
The paint brush.
c)
The custom shape tool.
d)
The drawing tool.
97.
This tool is called...
a)
The move tool.
b)
The custom shape tool.
c)
The paint brush.
d)
The eraser.
98.
This tool is called...
a)
The select tool.
b)
The eraser.
c)
The paint brush.
d)
The move tool.
99.
To undo the last change made to your graphic design, the ______ keys must be used.
a)
CTRL+D
b)
CTRL+Z
c)
SHIFT+D
d)
SHIFT+Z
100.
When you don't want something selected, you click this.
a)
Gradient
b)
Selection
c)
 Deselect
d)
Pixels
101.

What is the keyboard command to COPY and image?

a)

CTRL + S

b)

CTRL + A

c)

CTRL + V

d)

CTRL + C

102.

What is the keyboard command to PASTE an image?

a)

CTRL + Z

b)

CTRL + P

c)

CTRL + V

d)

CTRL + C

103.

"Marching ants" in your image indicate what?

a)

a selected area

b)

a hidden layer

c)

an area that needs to be saved

d)

you spilled food on your monitor

104.

How can you temporarily make a layer invisible?

a)

delete the layer

b)

use the magic wand tool to select it

c)

click on the eye icon in front of the layer

d)

layers are always visible

105.

The keyboard shortcuts for zooming in and out in Photoshop are

a)

Ctrl + S and Ctrl + V

b)

Ctrl + Space Bar

c)

Ctrl + and Ctrl -

d)

Ctrl + Z and Alt + Z

106.

The pink arrow is pointing to which Photoshop tool?

a)

Save tool

b)

Move tool

c)

Eyedropper tool

d)

Crop tool

107.

This is the Hue/Saturation icon, it is used to adjust what?

a)

the colour of a selected area

b)

the position of a image

c)

the size of an image

d)

the order of the images

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