Worksheets8.5 Final MCQ Assessment 2022
Total questions: 30
Worksheet time: 18mins
Devices connected together over a small geographical location (such as a building) are known as a:
Wide Area Network (WAN)
Local Area Network (LAN)
Wireless Personal Area Network (WPAN)
WiFi
Which connection types allow you to connect to a LAN?
GPRS
WiFi
Bluetooth
Ethernet
A firewall is needed because it...
Controls which programs on your computer can send and receive data packets.
Stops malware from spreading onto your computer system.
Scans your computer for unwanted data packets
Stops your computer from sending and receiving data packets
The data inside RAM is volatile, what does this mean?
Data is stored on a hard drive
Data is lost after power loss
Data is saved after power loss
Data is read only
When you run multiple programs RAM becomes full, what is then used to continue running your programs?
ROM
RAM
Virtual memory
The operating system
Secondary storage is needed...
when there is not enough primary storage
as RAM is volatile and cannot hold data permanently
For long term permanent storage
To run the BIOS and start up the computer
The types of storage are listed below from fastest to slowest. Which order is correct?
Solid State, Optical, Magnetic
Optical, Magnetic, Solid State
Magnetic, Optical, Solid State
Solid State, Magnetic, Optical
The CPU cache:
Stores frequently accessed instructions
Stores files
Controls the clock speed
Which computing term means to break a complex problem down into smaller solvable problems?
Abstraction
Programming
Algorithmic thinking
Decomposition
Which computing term means to reduce the complexity of a problem by removing unnecessary details?
Decomposition
Abstraction
Algorithmic thinking
Simplifying
Which best describes the term algorithm?
Getting a computer to solve a problem
A sequence of instructions that helps solve most of the problem
A sequence of instructions in order to solve a problem
A sequence of computer commands used to solve a problem
How many times will this program print "Hello World"?
9 times
1 time
11 times
10 times
If the userAge was 17 - what would be output?
"You are not old enough"
"You are 18 or over"
Output both
None of the above
Identify the variable in this program
If
Output
userAge
Else
This data type is used for storing True/False values.
Character
Real
Integer
Boolean
String
This data type is used for storing your average learning score (for example 4.78)
Character
Real
Integer
Boolean
String
This data type is used for storing the amount of students there are in the school.
Character
Real
Integer
Boolean
String
An image has a colour depth of 4 bits. How many possible colours will it display?
4
8
16
32
Convert the denary number 110 into binary
01101110
11101110
01111110
01011110
Convert 00001110 into denary
112
15
14
12
Which of the following statements is true?
Increasing the resolution means that the image will use a wider range of colours
Increasing the resolution will mean the the image will contain more pixels per inch
Increasing the resolution means the images will use a smaller range of colours
Increasing the resolution will mean that the image will contain less pixels per inch
Complete the binary addition
01101100
10110110
01001110
00111101
Complete the binary addition
01101100
10110110
01001110
01101110
When adding two bytes of binary, you end up with an extra bit. What is the name of this error?
Overflow error
9 bits
Overload error
Logic error
What is meant by the term ASCII character set?
A limited set of characters that uses 8 bits
A set of characters for every language in the world
A universal set of characters using 16 bits or more
A set of characters for just letters and symbols, uses 16 bits or more
How does increasing the colour depth and resolution affect the image?
Increase image size and quality
Decrease image size and quality
Decrease image size but improve quality
Increase the quality but the file size does not change
How would the word Car be shown using binary numbers?
01000011
01000001
01010011
01100011
01100001
01110010
01000011
01100001
01110010
01000011
01100001
01010010
Convert the following binary number into ASCII characters
01000110
01101001
01101110
fin
FIN
Fin
fIN
