Convert the binary digits 1011 into decimal number.

• 10

• 11

• 9

• 8

Convert the binary digits 1111 into decimal number.

• 10

• 11

• 15

• 814

Add binary digits 1001 and 0101

• 0101

• 0011

• 1011

• 1110

Why computer uses binary digits as its language?

• Computers doesn't know how to count using decimal numbers

• Computer cannot learn any language by its own

• Computers uses electricity that has only two states, ON for 1 and OFF for 0.

• Binary digits is more simple to use in making calculations for computers

If letter "a" is 0110 0001 in binary and letter "b" is 0110 0010, how will you write letter "c" in binary?

• 0110 0011

• 0110 0101

• 0110 0100

Which of the following is digital?

• page of a book

• measuring cup

• wall clock

An abbreviation of binary digit and represents the smallest piece of data

• bot

• mbps

• data

• bit

A number system that contains numbers 1, 2, 3, 4, 5, 6, 7, 8, 9 and 0.

• decimal number system

• analog system

• digital system

• binary digit system

How many bits are there in this binary

1001 0110

• 4 bits

• 2 bits

• 8 bits

• 1 bit

How many bits are there in 2 kilobyte

• 1,024 bits

• 8 bits

• 2,048 bits

• 2000 bits