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Y8 - EOU - Binary

Total questions: 81

Worksheet time: 1hrs 1mins

Name
Class
Date
1.
A binary system is a way of representing data with...
a)
bicycles
b)
lots of numbers
c)
only 2 options
d)
in black and white
2.
Which of these is NOT an example of binary?
a)
on or off
b)
true or false
c)
yes or no
d)
head, shoulders, knees, or toes
3.
Data moves through a computer in the form of
a)
electricity
b)
gremlins
c)
pictures
d)
wishes
4.
An electrical circuit that is on, or lit up, is represented by a
a)
0
b)
1
5.
An electrical circuit that is off, or not lit up, is represented by a
a)
0
b)
1
6.
How would you represent this picture in binary?
a)
10100101
b)
01010001
c)
10101110
d)
10101100
7.
0 and 1 are binary digits. We call the individual numbers
a)
bidgets
b)
cutsies
c)
bitties
d)
bits
8.
Binary bits are typically in groups of 8.
8 bits makes a 
a)
byte
b)
bite
c)
mouthful
d)
big number
9.
What kind of data does a computer represent with binary?
a)
numbers
b)
letters
c)
pictures
d)
all of the above
10.

What is 0101 in denary (base 10)?

(a)  

11.

What is 1111 in denary (base 10)?

(a)  

12.

What is 0011 in denary (base 10)?

(a)  

13.

What is 0111 in denary (base 10)?

(a)  

14.

What is 1101 in denary (base 10)?

(a)  

15.

Using a nibble (4 bits), write the binary for 2

(a)  

16.

Using a nibble (4 bits), write the binary for 14

(a)  

17.

Using a nibble (4 bits), write the binary for 6

(a)  

18.

Using a nibble (4 bits), write the binary for 12

(a)  

19.

Using a nibble (4 bits), write the binary for 8

(a)  

20.

Using a nibble (4 bits), write the binary for 10

(a)  

21.

What is 0001 in denary (base 10)?

(a)  

22.

What is 0110 + 0010

a)

8

b)

9

c)

4

d)

3

23.

How does the rule 1 + 1 + 1 work?

a)

0 carry 1

b)

1 carry both 0s

c)

1 carry 1

d)

0 carry 1

24.

An overflow error is where...

a)

0s and 1s... Oh my!

b)

Not enough room memory to store results

c)

Wrong file type

d)

To much room in memory to add everything up

25.

How many values, or states, can a single bit have?

a)

Two

b)

One

c)

Zero

d)

A nybble

26.

A right shift is the same as...

a)

Hexadecimal

b)

Multiplying

c)

Subtracting

d)

Dividing

27.

A left shift is the same as...

a)

Multiplying

b)

Dividing

c)

Adding

d)

Rounding

28.

What is 1100 1100 + 0010 1101

a)

55

b)

241

c)

267

d)

249

29.

An overflow error can cause...

a)

Correct results

b)

Loss of data

c)

Incorrect results

d)

A glitch in the Matrix

30.

Apply a left shift of 2 to 1111

a)

30

b)

60

c)

90

d)

15

31.

Right shift 0011 1000 by 3

a)

4

b)

11

c)

7

d)

1

32.
What is the answer to 010 + 010?
a)
110
b)
010
c)
100
d)
011
33.
What is the answer to 1010 + 0101?
a)
1011
b)
1001
c)
1111
d)
0111
34.
What is the answer to 0110 + 0101?
a)
1011
b)
1101
c)
1110
d)
1111
35.
Add binary numbers shown?
a)
01111011
b)
01101111
c)
01111101
d)
01101101
36.
Add binary numbers shown?
a)
10010000
b)
10001000
c)
10000100
d)
10100000
37.
Add binary numbers shown?
a)
01011010
b)
10011010
c)
10010101
d)
10100010
38.
Add binary numbers shown?
a)
10100100
b)
10010100
c)
11000100
d)
01011110
39.
1 + 1 = 
Answer as a byte
a)
2
b)
0000 0010
c)
0000 0001
d)
0000 0011
40.
11 + 10 = 
Answer as a byte
a)
5
b)
0000 1111
c)
0000 0111
d)
0000 0101
41.
0001 0000 + 0001 0011 =
Answer as a byte
a)
0010 0110
b)
0011 0111
c)
0110 0110
d)
0010 1111
42.
111 + 111 =
Answer as a byte
a)
1100 1111
b)
0001 1110
c)
0000 1111
d)
0000 1110
43.
0010 1100 + 0010 1111 =
Answer as a byte
a)
01111011
b)
11011011
c)
0101 1111
d)
0101 1011
44.
0100 1110 + 1010 0010 =
Answer as a byte
a)
1111 0001
b)
1111 0000
c)
1111 1110
d)
1011 0010
45.
What is this an example of?
a)
Overflow error
b)
8 bit binary addition
46.
Add 3 binary numbers?
0000 0111
0000 1111
0000 1111
a)
1010 1001
b)
0010 1111
c)
0011 0101
d)
0010 0101
47.
Add 3 binary numbers?
0100 0111
0000 1111
0001 1111
a)
0111 0101
b)
0010 1001
c)
0011 1111
d)
0010 0101
48.
Add 3 binary numbers?
0011 1100
0011 1111
0001 0001
a)
1001 0011
b)
1000 1100
c)
0001 0011
d)
1001 0101
49.

ASCII STANDS FOR

a)

AUTOMATIC STANDARD CODE FOR INFORMATION INTERCHANGE

b)

AMERICAN STANDARD CODE FOR INFORMATION INTERCHANGE

50.

The ASCII code for a blank space is...?

a)

32

b)

1

c)

2

d)

126

51.

ASCII is the standard coding method to store text in computers.

a)

True

b)

False

52.
ASCII stands for Australian Code for Information Interchange.
a)
True
b)
False
53.

Not all characters on a keyboard are printable. What are the others called?

a)

Control characters

b)

Empty Characters

c)

Both

54.

What is the ASCII code for ... A?

a)

65

b)

56

c)

97

d)

79

55.
What is the ASCII code for ... U?
a)
55
b)
85
c)
68
d)
87
56.

What is the following word ... 79 78

a)

OFF

b)

ON

c)

OR

d)

ONE

57.

Number system using only two digits.

a)

A. binary

b)

B. parallel processing

c)

C. computer model

d)

D. ASCII

e)

E. coding

58.

How many bits does ASCII use for 1 letter?

a)

8

b)

10

c)

2

d)

1

59.
What is the following word ... 79 70 70
a)
ON
b)
OFF
c)
OR
d)
ONE
60.
Upper and lower case letters have a different ASCII code.
a)
True
b)
False
61.
The ASCII code for a SPACE between two words is...
a)
ASCII code 30
b)
ASCII code 31
c)
ASCII code 32
d)
ASCII code 33
62.
ASCII code 97 represents which alphanumeric?
a)
A (capital)
b)
a (lowercase)
c)
0 (zero)
d)
1 (one)
63.
104, 101, 108, 108, 111... spells???
a)
hello
b)
silly
c)
hills
d)
polly
64.
What is the following word  67 65 84?
a)
CAT
b)
BAR
c)
GYM
d)
CAR
65.
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
66.
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
67.
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.
68.
8 bytes = 1 bit
a)
TRUE
b)
FALSE
69.

Which of these are the correct place values for binary?

a)

128,64,32,16,8,4,2,1

b)

128, 68,34,12,6,4,2,1

c)

1,0

d)

0,1

70.
Binary is:
a)
a system using the digits 0 and 1 to represent a letter, digit, or other character in a computer or other electronic device.
b)
the most common format for text files in computers and on the Internet
71.

How many unique colours are used in this image?

a)

2

b)

3

c)

4

d)

8

72.

A pixel is...

a)

not determined by used input.

b)

the most important factor in determine the colours available for an image.

c)

the smallest controllable part of a computer screen.

73.

How many colours are used to create this image?

a)

3

b)

4

c)

5

d)

8

74.

What does the term colour depth mean?

a)

The number of bits used in each pixel in an image file

b)

The amount/density of pixels in a given space (usually an inch)

c)

Extra data stored with a file which contains the files properties

d)

Small dots that make up bitmap images

75.

What does the term pixel mean?

a)

The number of bits used in each pixel in an image file

b)

The amount/density of pixels in a given space (usually an inch)

c)

Extra data stored with a file which contains the files properties

d)

Small dots that make up bitmap images

76.

A bitmap image is made up of

a)

Pixels

b)

Colours

c)

Sounds

d)

Samples

77.
How many colours can be used for each pixel if the colour depth is 4 bit?
a)
4 colours
b)
5 colours
c)
15 colours
d)
16 colours
78.

Generally, what is the shape of a pixel?

a)

Circle

b)

Star

c)

Triangle

d)

Square

79.
The number of pixels per inch in an image is known as the
a)
Dimensions
b)
Colour depth
c)
Resolution
d)
Megapixels
80.

Add 110121101_2 and 101121011_2 . What is the result in binary?

a)

11000

b)

10110

c)

10000

d)

11010

81.

Subtract 1012101_2 from 100021000_2 . What is the result in binary?

a)

101

b)

100

c)

111

d)

11

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