Computer Number Systems Quiz

How many digits does the binary number system use?

• Ten

• Two

• Sixteen

• Eight

Which digits does the hexadecimal number system include?

• 0 through 9 and the letters A through Z

• 0 through 7 and the letters A through E

• 0 through 9 and the letters A through F

• 1 through 9 and the letters A through F

Does the decimal number system use decimal points?

• No, it does not use decimal points.

• Yes, but only for numbers greater than 10.

• Yes, it uses decimal points.

• No, it uses binary points.

What is the notation called that is used to represent IP addresses, such as 192.168.12.155?

• Binary notation

• Hexadecimal notation

• Dotted decimal notation

• Alphanumeric notation

When converting a binary number to hexadecimal, what is the first step?

• Divide the binary number by 16

• Break it up into chunks of four digits and find the hex value for each chunk

• Convert each binary digit to its decimal equivalent

• Add all the binary digits together

What does the number 0 represent in binary code as used in computers?

• Electricity is on

• An electrical impulse

• No electricity / off

• A byte

How many bits are equivalent to 1 byte?

• 2 bits

• 4 bits

• 8 bits

• 16 bits

What is the smallest unit of data in a computer?

• Byte

• Kilobyte

• Bit

• Megabyte

When reading binary numbers, in which direction is it easier to read them according to the text?

• Left to Right

• Right to Left

• Top to Bottom

• Bottom to Top

How many bits are there in one byte?

• 4

• 16

• 8

• 32