Computer Systems Quiz

What is the purpose of a Bit in computing?

• To represent two possible values - 0 and 1

• To perform arithmetic operations

• To represent four different things

• To store large amounts of data

Which mathematician defined the logical operations used in computer systems?

• George Boole

• John von Neumann

• Alan Turing

• Rick Graziani

What is the main function of a Logic Gate in a circuit?

• Perform logical operations on electrical signals

• Display output on a screen

• Store data temporarily

• Generate random numbers

What does the XOR operation in Boolean logic require to output 1?

• Both inputs must be 1

• Neither input can be 1

• Either input must be 1

• Both inputs must be 0

What is the purpose of the Control Unit in a CPU?

• Handle communication with the outside world

• Perform arithmetic operations

• Control the operation of the computer

• Store long term data

Which type of memory is volatile and used as temporary storage in a computer?

• Cache Memory

• Random Access Memory (RAM)

• Secondary Storage

• Read Only Memory (ROM)

What is the function of the Program Counter Register in a CPU?

• Holds the address of the next instruction to be executed

• Holds the address of the next data to be used

• Stores the current instruction being executed

• Used by the ALU to perform operations

What is the final step in the Fetch-Execute Cycle of a CPU?

• Fetch

• Store

• Decode

• Execute

What is the main function of the Arithmetic Logic Unit (ALU) in a CPU?

• Store long term data

• Handle communication with the outside world

• Control the operation of the computer

• Carry out arithmetic and logical operations

Which component of a computer is responsible for communication with external devices?

• Input/Output (I/O) Units

• Central Processing Unit (CPU)

• Primary Memory

• Secondary Storage Units