Worksheets8.5.5 Retrieval
Total questions: 44
Worksheet time: 30mins
What is a computer network?
Two or more computers connected together
A single computer
A powerful computer that provides a service
A set of rules
Which term describes a set of rules that computers on a network use to communicate with one another?
Method
Protocol
Instruction
Conduct
Which of the below is a valid protocol for email addresses?
An ‘&’ character must be used
An ‘@’ character must be used
A ‘/’ character must be used
A ‘*’ character must be used
Which one of the below is an example of a wired communication technology?
4G
Network cable
WiFi
Bluetooth
A router connects different networks together. True or False
(a)A switch connects a number of computers together in the same network. True or False
True
False
A server is a powerful computer that provides a service to a network. True or False
(a)You need a switch to connect a network to the internet. True or False
True
False
Network cables are often made up of multiple copper wires. True or False
(a)You need Wi Fi to connect a network to the internet. True or False
True
False
Select ALL the benefits of being on a computer network.
Share files
Share printers
Communicate with others on the network
Easier for hackers to attempt to break in.
A computer network is (a) devices connected together.
A 'parcel' of data sent from device to device across a network.
Packet.
IP Address
Payload
Router
These things are included in the header of a packet.
(a) (b) (c)
This is included in the payload of a packet.
Sender IP
Receiver IP
Packet number
The actual data being sent
Email address
Packets always arrive in the correct order.
True
False
Packets all take the same route to the destination.
True
False
What am I?
(a)
What am I?
Router
Switch
Server
Ethernet Cable
Which term describes a set of rules that computers on a network use to communicate with one another?
a) Method
b) Protocol
c) Instruction
d) Conduct
Select ALL the benefits of being on a computer network.
Share files
Share printers
Communicate with others on the network
Easier for hackers to attempt to break in.
Why do computer process data in binary form?
Because it is easier for human beings to understand
Because computers contain circuits with switches which have two states (on and off)
Because computers contain circuits with switches which have multiple states
Because data in decimal form is processed more slowly
1,000KB is the same as
1MB
10,000 Bits
1,000,000 Bytes
1GB
400 MB is the same as
0.4 GB
4 GB
0.4 TB
4 TB
Which is the smallest form of data?
Bit
Byte
Nibble
8 Binary Digits
Which of the following forms of data are processed in the form of binary, by a computer? (Choose 1 - 4 answers as appropriate)
Characters
Images
Video
Sound
Compression Retrieval:
The size of an image file can be estimated using:
the image height in (a)
the image (b) in pixels
the colour (c) per pixel
What is a character?
A single key on the keyboard or a single number, letter or punctuation symbol
A person who works as a computer programmer
A 1 or a 0
The part that an actor plays
A switch connects a number of computers together in the same network. True or False
True
False
A router connects different networks together. True or False
(a)You need a switch to connect a network to the internet. True or False
True
False
Network cables are often made up of multiple copper wires. True or False
(a)There is only one type of server. True or False
True
False
Which is faster, a Wired or wireless connection?
Wired
Wireless
Both are the same speed
What is the shortcut for paste?
CTRL + X
CTRL + C
CTRL + V
Which three buttons would you press to create a screenshot
