NEHS CS I Final Exam (2024–2025) — Multiple Choice

What is the smallest unit of digital data?

• Byte

• Bit

• Nibble

• Character

How many bits are in one byte?

• 2

• 4

• 8

• 16

What does a “bit” stand for?

• Binary integer test

• Binary digit

• Basic information token

• Bitwise instruction

Which number is equivalent to 1101 in base 10?

• 11

• 12

• 13

• 16

Which is a binary representation of the decimal number 7?

• 111

• 1001

• 110

• 1011

What is abstraction in computer science?

• A) A form of output

• B) A simplified representation of something complex

• C) A type of bug

• D) An encryption method

What is the purpose of using binary?

• Faster programming

• Cheaper memory

• Simplifies electrical signals

• More readable

What is an example of analog data?

• Keyboard entry

• Pixel color

• Sound wave

• Byte array

What does “sampling” mean in digital data?

• Compressing files

• Measuring analog values at intervals

• Making it binary

• Reading text

What is a byte?

• 4 bits

• 8 bits

• 2 bytes

• 16 characters