AHJ: U1 Number Systems

What is the binary number system based on?

• Base 8

• Base 16

• Base 10

• Base 2

What does the term "bit" stand for?

• Binary Indicator of Technology

• Binary Information Technology

• Binary Digit

• Binary Integral Total

Which number system uses the denary digits 0 to 9 and the letters A to F?

• Octal

• Hexadecimal

• Decimal

• Binary

What is the smallest unit of memory in a computer?

• Megabyte

• Byte

• Gigabyte

• Terabyte

In the binary number system, what does each binary digit represent?

• A letter

• A character

• A number

• A switch position

Which number system uses 4 bits to represent each denary digit?

• Hexadecimal

• Binary-coded Decimal (BCD)

• Octal

• ASCII code

What is the value of the hexadecimal digit 'A' in denary?

• 10

• 11

• 12

• 13

What method involves placing 1s in the appropriate position to equate to a given denary number?

• One's complement

• Two's complement

• Binary addition

• Conversion

How is the binary value for negative numbers represented using the two's complement method?

• By inverting each digit

• By inverting each digit then adding 1 to the right-most bit

• By using the sign and magnitude method

• By subtracting 1 from the left-most bit

Which system is used to measure memory size accurately and is based on the binary system?

• SI system

• IEC system

• Hexadecimal system

• Denary system