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WorksheetsFundamentals of Computing Test
Total questions: 22
Worksheet time: 12mins
Name
Class
Date
1.
What is meant by a data packet? (6-9)
a)
A unit of data that travels along a network
b)
The number of error found in data when it has been transmitted
c)
The data a computer needs to connect to a network
d)
A connection point in a network that allows data to be shared
2.
Which transmission media is capable of having a much bigger bandwidth?
a)
Coaxial
b)
Twisted pair cable
c)
Plastic
d)
Fibre optic
3.
What is the Internet?
a)
The World Wide Web
b)
A collection of interconnected networks
c)
A place where a huge amount of information is stored
d)
A single network controlled by a central computer
4.
Data is sent over the Internet in small chunks or “packets”. As well as the data, each packet contains:
a)
the number of characters in the packet
b)
the speed at which it is to be transmitted
c)
the route that the packet is to take
d)
the ‘from’ and ‘to’ addresses and the number of the packet
5.
In a packet switching network:
a)
Each packet contains the entire message being sent
b)
All packets travel via the same route from sender to recipient
c)
Any type of data (e.g. text, sound, images, video) can be sent
d)
The sender decides how many packets are to be used
6.
In a packet switching network, if the connection between two nodes on the route between sender and destination is broken:
a)
the entire message must be resent
b)
the packet takes an alternative route to the destination
c)
the sender is notified that transmission has failed
d)
the packet is delayed until the connection is restored
7.
Which of these can be used to connect a computer to the Internet?
a)
fibe-optic broadband
b)
wireless (Wi-Fi)
c)
satellite
d)
all of these
8.
What are the only two numbers you can use in binary?
a)
0 and 1
b)
1 and 2
c)
1, 2, 3, 4, 5, 6, 7, 8, 9, 10
d)
1, 2, 4, 8, 16
9.
What is the point of binary?
a)
It represents how computers interpret electrical signals
b)
Because we like to make you do extra maths ;-D
c)
For the lulz
d)
Because it describes star systems
10.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
11.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
12.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
13.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
TO
14.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
THE
15.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE
16.
What is the purpose of the CPU?
a)
To process all the data and instructions.
b)
To turn the computer on.
c)
To create PowerPoint presentations.
d)
To provide power to the computer.
17.
What is the main function of the CPU?
a)
To carry out processing of the data.
b)
To help with playing games.
c)
To fetch instructions from memory, decode them and execute the instructions.
d)
To heat up the computer.
18.
What are the two other parts of the CPU that you learned?
a)
RAM & ROM
b)
Hard Drive & Motherboard
c)
The ALU and Cache
19.
Which of the following CPU's will have a better better performance:
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
A: 3 GHz Quad Core CPU
B: 3 GHz Duel Core CPU
a)
A
b)
B
20.
hello has been encrypted with Caesar cipher to khoor. The key used was:
a)
abc
b)
3
c)
2
d)
alphabet mapping table
21.
The process of converting plaintext to ciphertext.
a)
cryptography
b)
cyphertext
c)
decryption
d)
encryption
22.
What is encryption?
a)
When you put data / text into code making it difficult to read or understand.
b)
A secret or disguised way of writing; a code.
c)
A formal language designed to communicate instructions to a machine
d)
What is put in, taken in, or operated on by any process or system.
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