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WorksheetsYr 8 Computer Science Revision Quiz
Total questions: 65
Worksheet time: 22mins
What is the binary representation of the decimal number 10?
1010
1100
1001
1110
Which of the following is a high-level programming language?
Assembly
Python
Machine Code
Binary
Which component is considered the 'brain' of the computer?
Hard Drive
RAM
CPU
GPU
What is a strong password?
123456
password
P@ssw0rd!
qwerty
How many bits are in a byte?
4
8
16
32
What does HTML stand for?
HyperText Markup Language
HighText Machine Language
Hyperlink and Text Markup Language
Home Tool Markup Language
Which of the following is a type of malware?
Antivirus
Firewall
Trojan Horse
Router
What is the primary purpose of a router in a computer network?
To store data
To connect different networks
To display graphics
To process data
Which tag is used to create a hyperlink in HTML?
In App Lab, which block is used to create a button?
`createButton`
`button`
`makeButton`
`newButton`
What is the binary equivalent of the decimal number 5?
101
110
111
100
Which of the following is an example of a hardware component?
Operating System
Web Browser
Keyboard
Text Editor
What does the acronym 'URL' stand for?
Uniform Resource Locator
Universal Resource Link
Uniform Resource Link
Universal Resource Locator
Which of the following is a common data representation format?
JPEG
HTML
CSS
SQL
What is the purpose of a firewall in internet safety?
To speed up internet connection
To block unauthorized access
To store passwords
To create websites
Which of the following is a markup language?
Python
HTML
Java
C++
What is the primary function of RAM in a computer?
To store data permanently
To process graphics
To execute programs
To provide temporary storage for data
Which protocol is used to transfer web pages on the internet?
FTP
HTTP
SMTP
SSH
What does LAN stand for?
(a)
Tick all of the options which you think would use a LAN network
School
The Internet
NHS National Network
Home Network
Cash Machines
Tick all of the options that you think would use a WAN network
School
Cash Machine
The Internet
Your home network
The NHS national network
... allows a computer to connect to a wired network. It allows data packets to travel to and from a computer and uses the MAC address. It allows an Ethernet cable to be plugged into this.
Router
Switch
Network Interface Card
Wireless Access Point
A computer device that provides a service to another computer for example this could be to save files and software centrally, store emails or hold a queue of documents waiting to be printed.
Switch
Wireless Access Point
Network Interface Card
Server
A device that awaits and responds to requests for data e.g. provides clients with access to files
Server
Hub
Router
Firewall
What is a network
A stand alone computer
Two or more interconnected computers
A computer without a server
To create a network the following is required (select the correct one)
Python Software
Microsoft Word
Use cables, telephone lines, satellites and radio waves
Which one is a BUS topology
A BUS topology is (Which one is correct)?
Easy to set up
Expensive to set up
Hard to set up
Which one is a STAR topology
A star topology will cause a network failure if...
If the hub/switch fails
If one of the many of the computers fail
If the printer fails
In a peer-to-peer network, what is a peer?
A software that controls network access
A special type of network cable
A computer that is equal to all other peers
A central server that manages files
What is an advantage of the peer-to-peer model?
It requires expensive hardware
It's very easy to maintain
It's more secure than the client-server model
It has a single point of failure
What is a disadvantage of the peer-to-peer model compared to the client-server model?
It requires a lot of IT specialism
It's generally less secure
It's more expensive to set up
It's harder to manage file security
What will be the output?
name = "Dave"
print (name)
Dave
name
"Dave"
(name)
What is a input?
To plug in something
A function that allows us to ask the user to enter some data
Data displayed on a screen
A routine
A variable must have been assigned (given) a value before that value is referenced (used).
True
False
The correct way to convert user input is:
birth_year = number(input())
birth_year = int(input())
birth_year = (input(int))
birth_year = int(input)
To display the following on screen Hello World! the following command should be used:
print(Hello World!)
print("Hello World" + !)
print("Hello World!")
print"(Hello World!)"
You assign a value to a variable with which symbol
@
==
=
*
A condition or selection statement in Python is...?
if/else
if/elif
if/elif/else
if/elf/else
guess=input()
guess=input()
guess=input()
guess=input()
A FOR loop is....
A COUNT controlled loop
A CONDITION controlled loop
A WHILE loop is....
A COUNT controlled loop
A CONDITION controlled loop
What will this program output?
:(
":("
Error
nothing
What would be outputted here?
Bigger than 2!
Number is 5
Bigger than 2!
Number is 5
Nothing
Error
In a bitmap graphic each pixel is represented in _______
Denary
Binary
Hexadecimal
By letters
Which is larger?
Bit
Byte
Which unit of data is biggest?
Megabyte
Gigabyte
Kilobyte
Terabyte
ASCII is used to
Represent an image
Give a binary code to a pixel
Give a binary code to a character
Calculate the size of a text file
Which of these allows the user to enter text?
None of these.
This control is frequently used to let the user start an action.
Which of these could be used to display a different page?
Look carefully at the image.
What is the id name of the screen?
startScreen
Above
Below
Run
Look carefully at the image.
What type of event is this the code for?
Long click
Click
Shake
Input
Look carefully at the image.
This is an example of a user Interface.
True
False
To place objects onto the screen in order to create a user interface you would need to use...
Code mode
Design mode
Event mode
Property mode
Look carefully at the image.
What is at point B?
The object whose property is to be set
The event to be responded to
The property to be set
The value to be used for the property being set
Buttons, labels, images and the screen are all examples of objects.
True
false
