1.1.1 Binary Systems

Question 1

Computers use a _______ number system

Answer 1

binary

Question 2

Humans use a _________ number system

Answer 2

denary

Question 3

Binary is also known as _______

Answer 3

base 2

Question 4

Denary is also known as ________

Answer 4

base 10

Question 5

Binary (base 2) is made up of the numbers….

Answer 5

0 and 1

zero and one

Question 6

Denary is made up of the numbers….

Answer 6

0 to 9

zero to nine

Question 7

What are the data units from smallest to largest?

Answer 7

bit

nibble

byte

kilobyte

megabyte

gigabyte

terabyte

Question 8

What are examples of data?

Answer 8

text/words

sounds

images

numbers

video

Question 9

Computers take _____ and ______ it into _________

Answer 9

Computers take data and process it into information.

Question 10

What is an algorithm?

Answer 10

An algorithm is a set of steps to solve a problem

Question 11

8 bits =

Answer 11

1 byte

Question 12

A computer process stores data using ________ __________ that can be ON or OFF

Answer 12

A computer process stores data using electrical switches that can be ON or OFF

Question 13

What are the 8-bit binary placeholder values?

Answer 13

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

Question 14

How do you convert a binary number to denary?

Answer 14

Find all the placeholders with 1s in them and add those placeholders up. The answer is the denary number.

Question 15

A shorter way to write binary digit is ____

Answer 15

bit

Question 16

What are 3 facts about a bit?

Answer 16

The smallest piece of computer memory

A single on/off switch inside a computer’s electronic memory

A single 1 or 0

Question 17

A kilobyte is 1024 bytes and will store about….

Answer 17

half a page of text

Question 18

A megabyte is 1024 kilobytes. A picture on your phone is…

Answer 18

about 3 megabytes

Question 19

A gigabyte is 1024 megabytes. A movie is about…

Answer 19

4 gigabytes

Question 20

Kilobyte = ____

Megabyte = ____

Gigabyte = ____

Terabyte = ____

Answer 20

Kilobyte = KB

Megabyte = MB

Gigabyte = GB

Terabyte = TB

Question 21

What are the 4-bit binary values of the numbers 0 - 5?

0 = _ _ _ _

1 = _ _ _ _

2 = _ _ _ _

3 = _ _ _ _

4 = _ _ _ _

5 = _ _ _ _

Answer 21

What are the 4-bit binary values of the numbers 0 - 5?

0 = 0000

1 = 0001

2 = 0010

3 = 0011

4 = 0100

5 = 0101

Question 22

What are the 4-bit binary values of the numbers 6 - 10?

6 = _ _ _ _

7 = _ _ _ _

8 = _ _ _ _

9 = _ _ _ _

10 = _ _ _ _

Answer 22

What are the 4-bit binary values of the numbers 6 - 10?

6 = 0110

7 = 0111

8 = 1000

9 = 1001

10 = 1010

Question 23

128 64 32 16 8 4 2 1

8 + 16?

Answer 23

128 64 32 16 8 4 2 1

24

Question 24

128 64 32 16 8 4 2 1

16 + 32?

Answer 24

128 64 32 16 8 4 2 1

48

Question 25

128 64 32 16 8 4 2 1

64 + 32?

Answer 25

128 64 32 16 8 4 2 1

96

Question 26

128 64 32 16 8 4 2 1

64 + 128?

Answer 26

128 64 32 16 8 4 2 1

192