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WorksheetsBinary & Data Represenation
Total questions: 49
Worksheet time: 31mins
Name
Class
Date
1.
Computers can only understand 0s and 1s.
a)
True
b)
False
2.
Binary is made up of which numbers
a)
3 and 4.
b)
2 and 3.
c)
1 and 2.
d)
0 and 1.
3.
A bit is
a)
a numerical label assigned to each device.
b)
the smallest unit of data in a computer.
c)
a keyboarding term for typing.
d)
is a numeral system made up of 16 symbols.
4.
A group of 8 bits is known as a gigabyte.
a)
True
b)
False
5.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
6.
What is a character?
a)
A letter
b)
A number
c)
A symbol
d)
All of these
7.
Decimal numbers are base
a)
2
b)
4
c)
8
d)
10
8.
Convert 65 to binary
a)
01100001
b)
00100001
c)
01000001
d)
00100101
9.
Convert 37 to binary
a)
00100101
b)
00100011
c)
00100111
d)
01000101
10.
Convert 00010001 to decimal
a)
17
b)
27
c)
37
d)
47
11.
Convert 11001100 to decimal
a)
224
b)
134
c)
104
d)
204
12.
ASCII is
a)
the term given to printed files from the computer.
b)
an electronic device for storing and processing data.
c)
computer code for representing alphanumeric characters.
d)
another term for a phone app.
13.
What does ASCII stand for?
a)
American Standard Code for Information Intelligence
b)
American Standard Code for Information Interchange
c)
American Standard Call for Information Interchange
d)
All Silly Computers Interview Interns
14.
What is the ASCII code for ... A?
a)
65
b)
56
c)
97
d)
79
15.
What is the ASCII code for ... U?
a)
55
b)
85
c)
68
d)
87
16.
What is the ASCII code for ... E?
a)
45
b)
68
c)
69
d)
70
17.
What is the ASCII code for ... I?
a)
73
b)
37
c)
105
d)
150
18.
What is the ASCII code for ... O?
a)
78
b)
76
c)
88
d)
79
19.
1 represents which colour
a)
black
b)
white
20.
how many numbers are needed for each pixel
a)
0
b)
1
c)
2
d)
3
21.
how many colours did Keira use for her other picture? (count black and white)
a)
3
b)
5
c)
7
22.
Each little dot that makes up the picture is called
a)
a pixel
b)
a dimension
c)
a McChicken Nugget
23.
In Keira's picture from last lesson, what are the dimensions?
a)
12 x 18
b)
5 x 5
c)
15 x 20
24.
Including black and white, how many different colours did Keira use
a)
2
b)
3
c)
5
d)
6
25.
white = 001
yellow = 010
dark red = 011
white = 100
black = 101
what numbers represents this pixel?
yellow = 010
dark red = 011
white = 100
black = 101
what numbers represents this pixel?
a)
001
b)
1
c)
010
d)
11
26.
white = 001
yellow = 010
dark red = 011
white = 100
black = 101
what numbers for an eye?
yellow = 010
dark red = 011
white = 100
black = 101
what numbers for an eye?
a)
101 101
b)
100 100
c)
001 001
d)
011 011
27.
How many numbers can you write with one binary digit?
a)
2
b)
4
c)
8
d)
16
28.
What kind of gate is this?
a)
AND
b)
NOT
c)
OR
d)
XOR
29.
What kind of gate is this?
a)
AND
b)
NAND
c)
OR
d)
XAND
30.
What kind of gate is this?
a)
OR
b)
XOR
c)
NOR
d)
AND
31.
What kind of gate does this Truth Table represent?
a)
OR
b)
AND
c)
XOR
d)
NOT
32.
What kind of gate does this Truth Table represent?
a)
AND
b)
OR
c)
NOT
d)
NOR
33.
What kind of gate does this Truth Table represent?
a)
AND
b)
NOT
c)
OR
d)
NAND
34.
Which Logic Gate requires both to be True/On?
a)
AND
b)
OR
c)
NOT
35.
Which Logic Gate requires either one to be True/On?
a)
AND
b)
OR
c)
NOT
36.
Which Logic Gate gives the opposite result?
a)
AND
b)
OR
c)
NOT
37.
What is the following word ... 67 65 84
a)
CAT
b)
COT
c)
CAR
d)
BAT
38.
What is the following word ... 79 70 70
a)
ON
b)
OFF
c)
OR
d)
ONE
39.
What is an online "friend"?
a)
A person who has sent you a online "request" to be a friend.
b)
Someone who is ale to contribute to your "digital footprint".
c)
Someone who can tag you in a photo and have it appear in your feed.
d)
All of the above/all options.
40.
Which of the following is a "social media" site?
a)
YouTube
b)
GMail
c)
Instagram
d)
Google
41.
What information should you NOT share online?
a)
Your first and last name
b)
Your birthday
c)
The name of your school or city
d)
All of the above
42.
Which of the following is a good password?
a)
123456789 is a good password
b)
HsDpassword* is a good password
c)
Be@rs492 is a good password
43.
What should you have in your password?
a)
A. you should have letters, numbers, and symbols in your password
b)
Capitals, lower case, numbers, and symbols in your password
c)
You should have letters and numbers in your password
44.
What should you do if someone you don't know messages you?
a)
Respond to them
b)
Ignore and block them
c)
Keep it a secret
45.
a)
input
b)
output
46.
a)
input
b)
output
47.
a)
input
b)
output
48.
a)
input
b)
output
49.
a)
input
b)
output
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