WorksheetsY9 - DOOYA2 Prep
Total questions: 65
Worksheet time: 3hrs 11mins
Selection IF/ELSE - What will be output from the following Algorithms
(a)
Selection IF/ELIF/ELSE - What will be output from the following Algorithms
(a)
Q13 Please identify the variable(s) of the data type integer. Type the identifier/name of the variable, if there are more than one then put a comma for extra ones i.e. name,height,age
(a)
Q13 Please identify the variable(s) of the data type String. Type the identifier/name of the variable, if there are more than one then put a comma for extra ones i.e. name,height,age
(a)
Q13 Please identify the variable(s) of the data type Boolean. Type the identifier/name of the variable, if there are more than one then put a comma for extra ones i.e. name,height,age
(a)
Q13 Please identify the variable(s) of the data type Float/real. Type the identifier/name of the variable, if there are more than one then put a comma for extra ones i.e. name,height,age
(a)
What will be the output?
name = "Dave"
print (name)
(a)
What is the output?
(a)
What is the output?
(a)
What is the name of the variable in this program?
(a)
What is the correct name for this symbol?
==
Assignment
Equal to
Greater than
Less than
What is the output of the code?
(a)
What will be displayed at the end of the program?
(a)
What will be displayed at the end of the program?
(a)
What will display at the end of the program running?
You can ride the carousel!
Nothing will display
You cannot ride the carousel!
There will be an error.
What will display at the end of the program running?
You can ride the carousel!
Nothing will display
Sorry! Not tall enough!
There will be an error.
What is the minimum number of bits required for an 8-colour image?
1
2
3
4
How many colours can be used for each pixel if the colour depth is 4 bit?
(a)
In a bitmap graphic each pixel is represented in _______
Denary
Binary
Hexadecimal
By letters
A pixel is one dot in an image. The number of bits per pixel determines...
how many colours each dot can represent
how many dots each dot can represent
how many shades each dot can represent
how many pixels each dot can represent
The more bits per pixel the greater the...
pixel depth
colour depth
dot depth
The encoding for this image with a 2-bit colour depth has been started. What is the correct encoding for the third row?
IMPORTANT - Put a space between each number, example: 01 01 01
(a)
This image was created using a 2-bit colour depth. Which option shows the correct encoding?
Which bit pattern corresponds to the colour black when using 2 bits per pixel?
(a)
Move into the correct category
Shouldering
Name generator attacks
Phishing
Smishing
Blagging
Viruses
Trojans
Worms
Adware
Spyware
Ransomware
Move into the correct category
Viruses
Trojans
Worms
Adware
Spyware
Ransomware
Firewalls
Auto-updates
Anti-malware
Encryption
Biometrics
Physical security
(a) is malicious software designed to cause harm to computer systems/data/files/networks.
Match the following
Checks incoming and outgoing network traffic. It scans the data to make sure it doesn’t contain anything malicious and that it follows the rules set by the network.
Firewalls
A program intended to scan, detect and remove malicious programs. If the code in your files matches the definitions, the files are quarantined.
Anti-malware
Software that automatically checks for available updates for the software you have on your computer. Once it finds an update, the software can be set either to alert the user or to install it automatically.
Auto-updates
It disguises the data so that it cannot be understood or read. Even if a hacker gains access to data, they will not be able to understand it unless they have the key.
Encryption
A locked door/room / prevents any access.
Physical security
(a) is a way of securing data so that it cannot be read without the key. It disguises the data so that it cannot be understood or read. Even if a hacker gains access to data, they will not be able to understand it.
(a) is a type of program intended to scan, detect and remove malicious programs. It will have a list of definitions of sequences of code that they are aware are malicious. If the code in your files matches the definitions, the files are quarantined.
Match the following
in your computer or device to allow connection to a Network
Network Interface Card/Controller (NIC)
connects nodes on a local area network using MAC addresses
Switch
which connects networks together and uses IP Addresses
Router
required to connect to the Internet – this is usually combined with the router inside a single device
Modem
connects wireless devices to a network. Many home wireless access points are part of a router
Wireless Access Point (WAP)
To allow your network to access the internet it requires a (a)
You need a (a) to transmit data between at least two different networks.
You need a (a) which allows devices to connect using Ethernet cable only.
What is the world wide web?
A collection of webpages/data accessed through the internet/a browser.
The internet.
A collection of Python files on the internet.
A collection of WANs/LANs.
What are the services provided on the internet?
Cloud
Entertainment
Online gaming
Communication
World wide web
Gaming
Google chrome
Adobe Photoshop
SSD Drive
Convert 18 into Binary, answer as a byte.
(a)
Convert 23 into Binary, answer as a byte.
(a)
Convert 29 into Binary, answer as a byte.
(a)
Convert 1010111 into Denary
(a)
Convert 1110110 into Denary
(a)
Convert 11110010 into Denary
(a)
Calculate the binary addition: 1001+1011
[Use binary addition rules, if overflow is present you will need to use it in your answer.]
(a)
Calculate the binary addition: 01111+11011
[Use binary addition rules, if overflow is present you will need to use it in your answer.]
(a)
Calculate the binary addition: 01100110+01001101
[Use binary addition rules, if overflow is present you will need to use it in your answer.]
(a)
Match the following colour depth bits to the correct number of colours shown
Colour depth of 1
2 colours
Colour depth of 2
4 colours
Colour depth of 4
16 colours
Colour depth of 8
256 colours
Colour depth of 16
65,536 colours
Computer viruses and worms both replicate themselves, but (a) embed their code in other programs to harm the system by deleting, (b) , or modifying files. (c) , on the other hand, may not cause direct damage but can use up a significant amount of bandwidth .
Methods of computer security
Locks
Biometric entry to room
Alarms
Security guards
CCTV
Anti-malware
Firewall
Encryption
User Access levels
Strong passwords
Two-step authentication
Move the statement into the correct category.
Declan does not allow students to install software on the school computers. What do you think his reasons for this are?
Software main contain viruses
Could break copyright laws
Hackers could use it to access the school network
Students could install games and not do their work
Might expose personal data
Makes the computers more engaging
Gives the students something to do if they finish their work early
Makes the computers run faster
More students will want to come to the school if they know they can install software
Move into the correct category
Connects networks
Looks at the destination IP address of packets of data and sends them to the network
Route packets between the home LAN and destination network via the Internet
Connect each node (computer) in a network
They know the MAC address of all connected computers and devices
When a packet of data arrives, they can send it to the correct computer
The (a) is a huge network made up of many smaller (b) all connected together. The (c) is one service that runs on the Internet. It is made up of linked web pages and online resources.
Match the following
Part of the computer that allows it to join a network and talk to other computers. It can use cables or Wi-Fi to connect
Network Interface Card
Collection of inter-connect networks
Internet
A service that uses the internet. Interconnect web pages
WWW
Covers a small geographical area
LAN
Covers a large geographical area
WAN
