S2 Computer Systems Knowledge Check 1

What is Binary?

• A number system with four digits

• A number system with ten digits 0 to 10

• A number system with two digits 0 and 1

• A number system with three digits 0, 1 and 2

What does bit stand for?

• Binary Digit

• Bytes in two

• Binary Numbers

• Bytes and Bits

How many bits in the following binary number - 11001101

• 100

• 10

• 8

• 5

Convert the following binary number to decimal - 1101

• 11

• 9

• 3

• 13

Convert the following decimal number to binary using 4 bits - 9

• 1101

• 1001

• 1010

• 1011

What does ASCII stand for?

• American Standard Code for Interchange Information

• American Standard Code for Information Interchange

• American Systems Code for Information

• American System Code for Information Interchange