Year 8 AP2 - Computing Revision Quiz

What is the main difference between volatile and non-volatile memory?

• Volatile memory retains data without power, while non-volatile memory loses data without power.

• Volatile memory loses data without power, while non-volatile memory retains data without power.

• Both volatile and non-volatile memory retain data without power.

• Both volatile and non-volatile memory lose data without power.

What is the primary function of the BIOS in a computer?

• To execute arithmetic operations.

• To manage the flow of data within the CPU.

• To load the operating system and initialise hardware.

• To store temporary data for quick access.

Which component of the CPU is responsible for executing the mathematical calculations?

• Control Unit

• ALU (Arithmetic Logic Unit)

• Registers

• BIOS

Convert the binary number `10101100` to denary.

• 172

• 188

• 156

• 162

What is the hexadecimal representation of the binary number `11000011`?

• 3C

• C3

• 33

• CC

Which logic gate outputs 1 only if both inputs are 1?

• OR Gate

• AND Gate

• NOT Gate

• XOR Gate

What does metadata describe?

• The main content of a file.

• Information about data, such as image size and resolution.

• The binary code of a file.

• The software used to create a file.

What is an overflow error in computing?

• When a calculation results in a negative number.

• When a calculation exceeds the number of bits available.

• When a calculation results in zero.

• When a calculation is too small to be represented.

In Python, which keyword is used to define a function?

• func

• def

• function

• define

What is the correct order of precedence in Boolean logic?

• AND > OR > NOT

• OR > NOT > AND

• NOT > AND > OR

• AND > NOT > OR