1.1 Binary Systems

Question 1

What is the binary number system?

Answer 1

A system consisting of only 0s and 1s used by computers

Question 2

Define the term bit.

Answer 2

A single 0 or 1

Question 3

Define the term byte.

Answer 3

8 bits = 1 character of text

Question 4

Define the term nibble.

Answer 4

4 bits or half a byte

Question 5

What is 1 KiB (kibibyte) in bytes?

Answer 5

1024 bytes

Question 6

What is 1 MiB (mebibyte) in bytes?

Answer 6

1024 KiB

Question 7

What is 1 GiB (gibibyte) in bytes?

Answer 7

1024 MiB

Question 8

What is 1 TiB (tebibyte) in bytes?

Answer 8

1024 GiB

Question 9

What is 1 PiB (pebibyte) in bytes?

Answer 9

1024 TiB

Question 10

What is 1 EiB (exbibyte) in bytes?

Answer 10

1024 PiB

Question 11

Fill in the blank: 1 byte = _______ bits.

Answer 11

8

Question 12

What is the largest number that can be held in 8 bits?

Answer 12

255

Question 13

How many possible combinations can 3 bits produce?

Answer 13

8

Question 14

How many possible combinations can 8 bits produce?

Answer 14

256

Question 15

What does MSB stand for?

Answer 15

Most Significant Bit

Question 16

What does LSB stand for?

Answer 16

Least Significant Bit

Question 17

What is the binary representation of the denary number 28?

Answer 17

0001 1100

Question 18

What is zero in 8-bit binary?

Answer 18

0000 0000

Question 19

What is 255 in binary?

Answer 19

1111 1111

Question 20

What is 39 in binary?

Answer 20

0010 0111

Question 21

How many bits are there in a nibble?

Answer 21

4

Question 22

How many bits are there in a byte?

Answer 22

8

Question 23

What is the largest number that can be held in 16 bits?

Answer 23

65,535

Question 24

What is the largest number that can be held in 32 bits?

Answer 24

4,294,967,295

Question 25

How is data processed in computers?

Answer 25

By the central processing unit (CPU)

Question 26

What are the values stored in registers?

Answer 26

Temporary storage locations in the CPU

Question 27

What is the decimal value of the binary number 01001011?

Answer 27

75

Question 28

What is the decimal value of the binary number 10010110?

Answer 28

150

Question 29

What is the decimal value of the binary number 11100001?

Answer 29

225

Question 30

Fill in the blank: 1 kilobyte is _______ bytes.

Answer 30

1000

Question 31

Fill in the blank: 1 kibibyte is _______ bytes.

Answer 31

1024

Question 32

What is the method to convert denary to binary?

Answer 32

Working right to left, write out powers of 2

Question 33

What operation is used to compute the value in register C?

Answer 33

Addition

Question 34

What does the binary number 1000000000011010 represent in denary?

Answer 34

32794

Question 35

Convert the denary number 4608 to binary.

Answer 35

0001001000000000