Data Representation Quiz

What is the binary representation of the decimal number 10?

• 0000 1001

• 0000 1010

• 0000 1100

• 0000 1110

Which of the following is a valid 8-bit binary number?

• 1101101

• 10101010

• 111111

• 100000000

What is the decimal equivalent of the binary number 00001101?

• 11

• 12

• 13

• 14

In floating point representation, what does the term "mantissa" refer to?

• The exponent part

• The fractional part

• The whole number part

• The sign bit

What is the primary use of ASCII encoding?

• To represent images

• To represent text

• To represent sound

• To represent video

In bitmap graphics, what does each pixel represent?

• A single colour

• A single sound

• A single character

• A single frame

How many bits are used to represent a single character in extended ASCII?

• 7

• 8

• 16

• 32

What is the binary representation of the decimal number 255?

• 11111110

• 11111111

• 11111101

• 11111100

Which of the following is NOT a valid floating point number?

• 3.14

• 2.718

• 1.0x10 ^ -10

• 1234.56.78

In bitmap graphics, what does the term "resolution" refer to?

• The number of colours

• The number of pixels

• The size of the image

• The file format