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Year 10 Lent

Total questions: 52

Worksheet time: 52mins

Name
Class
Date
1.

Which of these cables usually have the best broadband speed?

a)

Coaxial Cable

b)

Fibre-optic cable

c)

twisted-pair copper cable

d)

Radio waves

2.

In ASCII "F" is equal to 70 (denary). What number is "D" in denary.

a)
68
b)
69
c)
70
d)
71
e)
72
3.

What happens if 1 computer fails in a star topology network?

a)

Nothing

b)

The entire system collapses

c)

Only that computer fails

4.

What are the benefits of a star topology

a)

If 1 computer fails the rest are fine

b)

If the central node collapses the rest of the network is fine

c)

Computers have fast access to the server

d)

Very easily scalable

5.

A school with 20 stand alone PCs is considering networking them together and adding a file server. Choose the 2 correct statements.

a)

All 20 can print through a single printer

b)

All 20 can share a internet connection

c)

The students files will be less safe.

d)

Students won't be able to have their own space on the file server.

6.

True or false: A star network is more expensive than a mesh

a)

true

b)

false

7.
A mesh network has a central hub?
a)
true
b)
false
8.
Tick the correct statements about a bus topology.
a)
It is very expensive
b)
If the central cable breaks the entire topology collapses.
c)
It is very secure and all data can be kept private
d)
It can take an unlimited number of devices without decresing performance
9.

what is the definition of a pixel

a)

the basic unit of programmable colour in a digital image

b)

a dot on a display that has a capacity to change colour

c)

a measurement for the size of a monitor or display

10.

the colour depth of an image is the

a)

amount of colours there is

b)

size of the image

c)

number of bits used for each pixel in an image

d)

the resoloution of the image

11.

if the resolution of the image is 200 by 200 and the colour depth is 4 bits what is the size of the image?

a)

512 bytes

b)

128 kilobytes

c)

200 bytes

d)

20 kilobytes

e)

300 bytes

12.
What is the biggest WAN in the world?
a)
The school network
b)
The internet
c)
home network
d)
Company network
13.

Which of these are LAN's

a)

home network

b)

school network

c)

hotel network

d)

The internet

14.

What does WAN stand for

(a)  

15.

Which of these is NOT true about using subprograms?

a)

They save the programmer time

b)

You can't have a function inside another function

c)

The code is shorter when using subprograms

d)

They help reduce repetition

16.

True or false: Python has no built-in functions

a)

true

b)

false

17.

What algorithmic concept do sub-programs / procedures demonstrate

a)

Decomposition

b)

Iteration

c)

Repetition

18.
Which of these is not an issue associated with devices and the environment?
a)
Manufacture
b)
Energy consumption
c)
Protection of data
d)
Replacement cycle
e)
Disposal
19.
Which of these are chemicals that computers release?
a)
Lead
b)
Hydrogen
c)
Mercury
d)
Boron
20.
Which of these are causes of a rapid replacement cycle?
a)
People are encouraged to buy the newest models
b)
People get robbed often and are forced to buy new devices
c)
New updates don't work on old devices
21.
What is the definition of "contiguous"?
a)
When data is stored together one element after the other
b)
When arrays are stored one after the other
c)
Arrays which share a common border
d)
Arrays which have similar records
22.
What is a list?
a)
The way that Java implements arrays and records
b)
The way that Python implements arrays and records
c)
A group of random data
d)
Several elements
23.

A record is an organised collection of related elements that share a single identifier and are of a (a)   data type.

24.
Which one of these are examples of arrays?
a)
scores = [23, 88, 75, 98]
b)
magazine = ["Davies", 2007, "Daily Mail"]
c)
mySubjects = ["French", "Art", "Biology", "Chemistry"]
25.

Given an image with dimensions 1565x880 and a colour depth of 24 bits how would you get the get the file size into kiB

a)

1565x880*24/8

b)

1565x880*24/(8*1000)

c)

1565x880*24/(8*1024)

d)

1565x880*24/(8*1024*1024)

e)

1565x880*24/(1000*1000)

26.

How would you convert bytes into mebibytes

a)

/(1024*1024)

b)

/(8*1024*1024)

c)

/(8*1000)

d)

/1024

e)

/(1000*1000)

27.

What is a pixel?

a)

A coloured dot on an image

b)

an animated object that moves

c)

the smallest controllable element of a digital image otherwise known as a picture element

28.
How do we define the term 'resolution'?
a)
the total number of pixels in an image
b)
how much an image has been compressed
c)
how many pixels are used in a given area
29.
which compressed file format is used for storing digital camera images?
a)
JGP
b)
JPG
c)
PNG
30.

What is meant by colour depth?

a)

the total number of different colours in an image

b)

The number of bits for each pixel in an image

c)

How many pixels there are in an image

31.
an algorithm:
a)
can be infinite
b)
must have an end
c)
doesn’t matter
32.
what does this block do?
a)
input
b)
process
c)
decision
33.
what type of loop is this?
a)
count controlled
b)
pre-conditioned
c)
post-conditioned
34.
What is the name of the global internet data routes between large country based networks?
a)
Router spine
b)
Internet backbone
c)
Submarine cables
d)
Wireless access point
35.
What do local networks connected to the internet through?
a)
Servers
b)
Hubs
c)
Ethernet
d)
Points of Presence
e)
Network Interface Controller
36.
What are points of presence provided by?
a)
Wide area networks
b)
Switch
c)
Internet service providers
37.
What are the 2 main types of IP addresses called?
a)
IPv2
b)
IPv4
c)
IPv5
d)
IPv6
e)
IPv8
38.
What are the pieces of data individually sent called?
a)
Chunks
b)
cables
c)
switch
d)
software
e)
packets
39.
What is a IP address which does not change called?
a)
Static
b)
Stopped
c)
Permanent
d)
Solid
40.
What is an IP address which changes called?
a)
Volatile
b)
Loose
c)
Dynamic
41.
Which one of these python terms would you use for a diamond shape?
a)
if
b)
print
c)
input
d)
import
42.

Which one of these python terms would you use if an arrow goes back to a previous part of the flowchart?

a)

if

b)

while

c)

print

d)

input

e)

import

43.
Which one of these comparison terms would you use if you want to see if something is equal to or greater than something else?
a)
=>
b)
==
c)
=<
d)
<=
e)
>=
44.

Data storage is measured in binary…

a)

Multiples

b)

Duplicates

c)

Digits

45.

which of these is the largest binary multiple?

a)

Kibibyte

b)

Byte

c)

Tebibyte

d)

Gibibyte

46.
What is the correct expression to calculate the file size of an image with colour depth 8, width 20, height 50 in kibibytes
a)
(8 x 1024) / (8x20x50)
b)
(8x20x50) / (8 x 1024)
c)
(8x20x1024) / (8 x 50)
47.
Which of these is not a benifit of using decomposition
a)
Different people can work on different parts of the same problem
b)
Easier to spot errors and make corrections
c)
removes unnecessary details
d)
easier to break down large problems into smaller more manageable problems
48.
What % of global energy are data centres estimated to consume?
a)
0.1
b)
0.005
c)
0.02
d)
0.55
e)
0.05
49.
Which of these are environmental problems with technology?
a)
Data getting stored without the data subject's consent
b)
High energy consumption
c)
Cookies track people's web activity
d)
Short replacement cycle
e)
Waste isn't always disposed of correctly
50.
On average, how often are mobile phones replaced?
a)
Every 1.4 years
b)
Every 2.8 years
c)
Every 5.1 years
d)
Every 8.6 years
51.

Which of these is not considered personal data?

a)

Phone number

b)

Clothes worn

c)

biometric data

d)

A first name

52.

Which of these was NOT in the general data pretection regulations (2018)?

a)

consent must be freely given

b)

consent must be possible to be revoked

c)

consent for different activities only need one consent

d)

consent must be informed and specific

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