Number System - TLE ICT 7

Which of the following best describes the binary number system?

• A number system that uses 0-9

• A number system that uses 0-7

• A number system that uses 0-1

• A number system that uses o-F

What is the first step in converting a decimal number to octal?

• Divide the decimal number by 8

• Write the decimal number in reverse order

• Multiply the decimal number by 8

• Add 8 to the decimal number

What do you do with the remainder of each division step?

• Discard it

• Add it to the next division

• Use it to form the octal number

• Multiply it by 8

How do you determine the digits of the octal number?

• The quotients of the divisions

• The remainders of the divisions

• The sum of the divisions

• The difference between the divisions

What happens when the divisor becomes 0?

• The process is complete

• You start over with a new decimal number

• You add 8 to the octal number

• You multiply the octal number by 8

In what order should the digits of the octal number be written?

• In the order they were generated

• In reverse order

• From largest to smallest

• From smallest to large

How many unique digits are used in the octal number system?

• 2

• 8

• 10

• 16

What is the decimal equivalent of the binary number 1010?

• 5

• 8

• 10

• 15

Which of the following is the hexadecimal representation of the decimal number 27?

• 1B

• 1F

• 1A

• 1C

What is the octal equivalent of the binary number 101011?

• 43

• 53

• 63

• 73