MCU L1

What is the function of a computer?

• Storing data only

• Processing data only

• Accepting data, processing it, producing information, and storing information

• Generating output only

Which part of a computer is responsible for all functions and processes?

• Central Processing Unit (CPU)

• Control Unit (CU)

• Registers

• Arithmetic Logic Unit (ALU)

What is the purpose of the Control Unit (CU) in a CPU?

• Execute arithmetic and logical operations

• Control and co-ordinate computer components

• Store data temporarily

• Generate specific control signals

How is the speed of a CPU measured?

• By the number of instructions per second

• By the number of cores

• By the amount of cache memory

• By Hertz (Hz)

What is the main function of Random Access Memory (RAM)?

• To permanently store program being executed

• To convert data into useful information

• To store data on a temporary basis for quick access

• To provide basic functions of the computer

What is the main difference between ROM and RAM?

• ROM is volatile while RAM is non-volatile

• ROM allows data to be modified while RAM does not

• ROM is used for temporary storage while RAM is used for permanent storage

• ROM is non-volatile while RAM is volatile

When was the first microprocessor invented?

• 1981

• 1968

• 1959

• 1971

What is the main function of a microprocessor?

• To store data

• To generate output

• To process data

• To accept data

What is the purpose of the Stack Pointer (SP) register?

• To store data temporarily during program execution

• To indicate the location of the last item put onto the stack

• To store the address of the instruction being executed

• To decode instructions for execution

What is the function of the W register in a microcontroller?

• To store data temporarily

• To provide specific control signals

• To control and co-ordinate computer components

• To execute arithmetic and logical operations