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WorksheetsYear 8 Assessment 2
Total questions: 100
Worksheet time: 2hrs 17mins
Name
Class
Date
1.
Convert 128 to binary
a)
10000000
b)
01111110
c)
10000001
d)
11001100
2.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
3.
Convert 254 to binary
a)
11110000
b)
11111100
c)
11111111
d)
11111110
4.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
5.
Convert 196 to binary
a)
11000110
b)
11100100
c)
11000100
d)
11010100
6.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
7.
Convert 11111111 to decimal
a)
255
b)
245
c)
235
d)
225
8.
Convert 00100100 to decimal
a)
26
b)
36
c)
46
d)
56
9.
Convert 01000100 to decimal
a)
58
b)
68
c)
78
d)
88
10.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
11.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
TO
12.
What logic gate is this?
a)
AND
b)
OR
c)
NOT
d)
THE
13.
What logic gate is this?
a)
OR
b)
NOT
c)
AND
d)
THE
14.
What gate is this truth table for?
a)
AND
b)
OR
c)
NOT
d)
THE
15.
What gate is this table for?
a)
AND
b)
OR
c)
NOT
d)
NOR
16.
What gate is this table for?
a)
AND
b)
XOR
c)
OR
d)
NOT
17.
Logic gates are digital ...
a)
.. Switches
b)
.. Footprints
c)
.. Binary
d)
.. RAM
18.
Which logic gate is this?
a)
AND
b)
NOR
c)
NOT
d)
OR
19.
Which logic gate is this?
a)
AND
b)
OR
c)
XOR
d)
NOT
20.
What does RAM stand for?
a)
Random Access Molecules
b)
Random Access Memory
c)
Read Access Memory
d)
Roll Access Memory
21.
What does ROM stand for?
a)
Random Only Memory
b)
Read Only Memory
c)
Read Over Memory
d)
Rollover Memory
22.
What are the two main types of primary memory?
a)
RAM and ROM
b)
HDD and USB
c)
Magnetic and Optical
d)
Long and Short
23.
What is secondary storage?
a)
A device that stores information while you are working.
b)
A type of storage which stores information when the computer is switched off.
24.
What are the three types of secondary storage devices?
a)
Magnetic, Solid Gases and Optical
b)
Zip Drive, Floppy Drive and CD
c)
Magnetic, Optical and Solid State
d)
RAM, ROM and Memory
25.
Which three are examples of secondary storage devices?
a)
Filing Cabinet
b)
RAM, ROM and Cache
c)
Hard Drive, USB Pen Drive and Micro SD Card
d)
burgers, chips and fries
26.
AND Gate:
IF A and B are ON, the output would be...
IF A and B are ON, the output would be...
a)
ON
b)
OFF
27.
AND Gate:
If A is OFF but B is ON, the output would be...
If A is OFF but B is ON, the output would be...
a)
ON
b)
OFF
28.
OR Gate:
IF A is ON and B is ON, the output would be...
IF A is ON and B is ON, the output would be...
a)
ON
b)
OFF
29.
OR Gate:
If A is OFF and B is ON, the output would be...
If A is OFF and B is ON, the output would be...
a)
ON
b)
OFF
30.
NOT Gate:
If A is ON, the output would be...
If A is ON, the output would be...
a)
ON
b)
OFF
31.
NOT Gate:
If A is OFF, the output would be...
If A is OFF, the output would be...
a)
ON
b)
OFF
32.
What does this piece of coding do?
a)
Calculate the area of a rectangle
b)
Calculate the area of a triangle
c)
Calculate the area of a sphere
d)
Calculate the volume of a rectangle
33.
What does an IF statement do?
a)
Closes the program
b)
Makes a decision
c)
Asks a question
34.
The sequence of steps that describe each of these computational process is called an algorithm.
a)
True
b)
False
c)
Who cares
35.
What is Print()?
a)
Text
b)
Console
c)
Function
d)
Decoder
36.
Which Data Type represents a whole number?
a)
String
b)
Float
c)
Boolean
d)
Integer
37.
Which Data Type represents text?
a)
Boolean
b)
Integer
c)
String
d)
Float
38.
What is a variable?
a)
A type of graphic
b)
A type of sound
c)
A space in the memory marked for use
d)
Used to remove things from memory
39.
What function is used to let the user answer a question?
a)
Open
b)
Print
c)
Answer
d)
Input
40.
What would be the following output:
print(4*2 , 4**2)
print(4*2 , 4**2)
a)
24
b)
16 8
c)
8 16
d)
4*2 4**2
41.
A syntax error in your code means:
a)
You have not used enough characters.
b)
There was no defined index.
c)
Python can't find a file to pass the code to.
d)
There is an error with your typing and code structure.
42.
Which term is used to describe expressions that result in the value of either true or false?
a)
Selection
b)
Boolean
c)
Conditional
d)
Concatenation
43.
What will the following lines of Python code print?
x = 32
if x > 10:
print("a")
if x > 30:
print("aaa")
if x > 40:
print("aaaa")
else:
print("a")
else:
print("aa")
x = 32
if x > 10:
print("a")
if x > 30:
print("aaa")
if x > 40:
print("aaaa")
else:
print("a")
else:
print("aa")
a)
a
b)
aa
c)
aaaa
d)
aaaaaaaa
44.
What is the proper way to compute 7 to the power of 2 (or 7 squared)?
a)
7^2
b)
7*2
c)
7**2
d)
7pwr2
45.
What will be the output?
name = 'Dave'
print (name)
name = 'Dave'
print (name)
a)
Dave
b)
'Dave'
c)
name
d)
(name)
46.
What will be the output?
name = 'Dave'
greeting = "Good morning" + name
print (greeting)
name = 'Dave'
greeting = "Good morning" + name
print (greeting)
a)
Good morning 'Dave'
b)
Good morning Dave
c)
Good morning name
d)
Good morning + Dave
47.
How many different variables are in this piece of code?
a)
1
b)
3
c)
2
d)
0
48.
What would be printed to the screen by this program if the following data was entered "Bob", then 67?
a)
Merit
b)
Distinction
c)
Fail
d)
Pass
49.
Would this line of code run without error?
a)
Yes
b)
No
50.
Why do we use flowcharts?
a)
To represent algorithms in an easy way
b)
To use different maths shapes
51.
What is the name of this symbol in a flowchart?
a)
Input
b)
Output
c)
Decision/Question
d)
Process
52.
Flowcharts can be used to represent only computer problems
a)
TRUE
b)
FALSE
53.
The Start symbol is represented with a circle
a)
FALSE
b)
TRUE
54.
How will the traffic lights look like after 1 second?
a)
RED ON AMBER OFF GREEN ON
b)
RED OFF AMBER OFF GREEN ON
c)
RED OFF AMBER OFF GREEN OFF
d)
RED OFF AMBER ON GREEN ON
55.
Select the missing instruction from the flowchart:
a)
Turn Output 1 ON
b)
Delay 1 second
c)
Turn Output 1 OFF
d)
Delay 2 seconds
56.
Which symbol show sequence, direction of flow, or the order in which a chart is read?
a)
diamond
b)
parallelogram
c)
retangle
d)
arrow
57.
What symbol do flowcharts begin with?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
58.
What symbol do flowcharts end with?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
59.
What symbol shows a decision?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
60.
What symbol shoes something you need to decide?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
61.
What symbol shoes something you need to do?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
62.
If something needs to be done what symbol do we use?
a)
oval
b)
parallelogram
c)
rectangle
d)
diamond
63.
The primary colors used to construct an image on a color TV monitor are:
a)
red, blue, and yellow.
b)
red, green, and blue.
c)
white and black.
d)
magenta, cyan, and yellow.
64.
Images on a TV screen are made up of single dots of color called:
a)
cones
b)
rods
c)
photoreceptors
d)
pixels
65.
What is a pixel?
a)
Picture element - the small dots that make up an image.
b)
How an image is stored on the computer.
c)
A type of image
d)
A special type of photograph
66.
What can affect the file size and quality of an image?
a)
The file format (type of file it is saved as)
b)
The content of the image
c)
The number of lines in an image
d)
The time the image was created
67.
When we have a 'one-bit' colour, which are the only two binary numbers that are possibilities?
a)
00 and 11
b)
000 and 111
c)
0 and 1
d)
0000 and 1111
68.
When a picture becomes blurry, what is the key-term for describing what the picture has become?
a)
Pick up truck
b)
Pixie letters
c)
Pixar
d)
Pixelated
69.
A pixel is the _______ part of an image.
a)
Smallest
b)
Largest
70.
The colour of a pixel can be stored as a _______ number
a)
Unicode
b)
Hex
c)
Binary
d)
ASCII
71.
Why do computers work with binary data?
a)
Electronics with only 2 states are less error prone
b)
Computers can only count to 2
c)
Because binary is what machine code is written in
d)
Because buses are the connections between components
72.
What is the biggest number that can be stored as 8 bits?
a)
255
b)
256
c)
8
d)
16
73.
Decimal 53 can be written in binary as
a)
110101
b)
110001
c)
111000
d)
111110
74.
In binary, 11 + 11 =
a)
110
b)
111
c)
22
d)
100
75.
Why is binary code used?
a)
it makes it harder to hack into
b)
it makes computers run faster
c)
it was the first code ever invented
d)
because why not
76.
Which piece of computer hardware uses Logic Gates?
a)
CPU
b)
RAM
77.
What is the ASCII code for ... U?
a)
55
b)
85
c)
68
d)
87
78.
What is the ASCII code for ... E?
a)
45
b)
68
c)
69
d)
70
79.
In order to keep your password secure you should
a)
write it down and keep it in a drawer at home
b)
choose something memorable to you but which no one else would guess
c)
choose something memorable like your name so you don’t need
to write it down
d)
use the same password for all your online accounts
80.
When you press the Delete key to delete a file from a memory stick
a)
you have no chance to confirm the Delete request before the file is deleted
b)
once you confirm the action, the file is gone for ever
c)
you can “undo” the action
d)
you can retrieve the file from the recycle bin
81.
When you try to copy a file named, WW2_Homework.jpg and paste it into the same folder
a)
File Explorer will display an error message
b)
you will end up with two files of the same name
in the folder
c)
nothing happens
d)
the copy is automatically
given a name such as WW2_Homework – Copy.jpg
82.
You have done some work on a document in Word, and you want to save it but also keep the original document. You should
a)
make a backup of the original file
b)
use Save As instead of Save
and give the file a different name
c)
copy the file to a new folder before you start
working on it
d)
any of the above
83.
You are working on a Word document for a school project, using a school computer. You should
a)
save your document every
few minutes
b)
Finish the whole document then save it
c)
rely on the Autosave feature to save your work
d)
save it by pressing Ctrl + C
84.
Which of the following is true in File Explorer?
a)
You can select more than one file in a folder by holding down the Ctrl key while you select each file
b)
You cannot delete a folder unless it is empty
c)
Files and folders deleted from the hard drive cannot be
retrieved
d)
You cannot inspect the contents of the Recycle Bin
85.
A secure password should be
a)
less than six characters
b)
saved with all your other passwords on your mobile phone
c)
changed when you suspect you have been hacked
d)
Lower case letters only.
86.
Which of the following is a secure and memorable password?
a)
The 12 characters “Password1234"
b)
A slightly misspelt combination of words made up from, say, a title of
a book you enjoyed reading
c)
The letters of your name
d)
The 12 characters “ASDFGH!”£$%^”
87.
What is this image the icon for?
a)
Microsoft PowerPoint
b)
Microsoft Word
c)
Microsoft Publisher
d)
Microsoft Excel
88.
What is this ?
a)
RAM
b)
ROM
c)
CPU
d)
GUI
89.
What does this mean?
a)
Clip
b)
Email
c)
Attachment
d)
Send
90.
What does this mean?
a)
Search
b)
Paste
c)
Delete
d)
Copy
91.
What is this image the icon for?
a)
Microsoft PowerPoint
b)
Microsoft Word
c)
Microsoft Publisher
d)
Microsoft Excel
92.
What is this image the icon for?
a)
Microsoft PowerPoint
b)
Microsoft Word
c)
Microsoft Publisher
d)
Microsoft Excel
93.
What browser is this the icon of?
a)
Internet Explorer
b)
Google Chrome
c)
Mozilla Firefox
d)
Safari
94.
What browser is this the icon of?
a)
Internet Explorer
b)
Google Chrome
c)
Mozilla Firefox
d)
Safari
95.
What browser is this the icon of?
a)
Internet Exlporer
b)
Google Chrome
c)
Mozilla Firefox
d)
Safari
96.
What browser is this the icon of?
a)
Internet Exlporer
b)
Google Chrome
c)
Mozilla Firefox
d)
Safari
97.
Which of these is not a search engine?
a)
Google
b)
Yahoo
c)
Explorer
d)
Ask
98.
Which of these cannot be used for emails?
a)
PowerPoint
b)
Hotmail
c)
Yahoo
d)
Outlook
99.
Which of these is not a social media site?
a)
Twitter
b)
Facebook
c)
Firefox
d)
Instagram
100.
Why do you need security on a computer?
a)
So no personal data can’t be stolen and hacked also private information
b)
To share everything with everyone
c)
To make it difficult for hackers
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