11AL U1 REVIEW Binary Number System Quiz

What is the base-two number system that uses only the values 0 and 1?

• Binary

• Hexadecimal

• Decimal

• Octal

What is the abbreviation for a binary digit?

• Bit

• Byte

• Nibble

• Word

In which complement system is each binary digit reversed to represent both positive and negative numbers?

• One's complement

• Two's complement

• Sign and magnitude

• Hexadecimal

Which system involves reversing each binary digit and adding 1 in the right-most position?

• Two's complement

• One's complement

• Sign and magnitude

• Binary-coded decimal

In the sign and magnitude system, what does the left-most bit represent?

• The sign

• The magnitude

• The parity

• The checksum

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

• Hexadecimal

• Binary

• Octal

• Decimal

What is the process of outputting the contents of computer memory to a screen or printer called?

• Memory dump

• Memory allocation

• Memory mapping

• Memory paging

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

• Binary-coded decimal

• Hexadecimal

• Octal

• Decimal

What is ASCII code used for?

• Representing all world languages

• Coding system for all keyboard characters and control codes

• Creating images using pixels

• Improving image quality

What does a character set define?

• The smallest unit in a sound file

• The number of pixels in an image

• A list of characters defined by hardware and software

• The number of bits used to represent colors