Technical Quiz: Data Measurement and Number Base Conversion

What is the smallest unit of data in computing?

• Kilobyte

• Nibble

• Byte

• Bit

How many bits are there in a nibble?

• 8

• 16

• 2

• 4

How many bits are there in a byte?

• 4

• 8

• 16

• 32

Which of the following is an example of an unsigned integer?

• -5

• 0

• -1

• 3.5

What is the denary (Base 10) value of the binary number 00001111?

• 31

• 7

• 8

• 15

Convert the denary number 25 into an 8-bit binary number using the subtraction method.

• 00010101

• 00011010

• 00011100

• 00011001

What is the denary value of the binary number 10101010?

• 255

• 85

• 170

• 128

Convert the denary number 50 into an 8-bit binary number using the subtraction method.

• 00110010

• 00110100

• 00101010

• 00101100

What is the Most Significant Bit (MSB) in the binary number 11001010?

• 10

• 2

• 0

• 1

What is the denary value of the binary number 11111111?

• 128

• 255

• 127

• 256