Computer Architecture and Data Management Quiz

What is the primary function of the Control Unit in a CPU?

• Directs the flow of instructions and data

• Holds the instruction currently being executed

• Performs mathematical calculations

• Stores frequently used data

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

• Memory Data Register

• Cache Memory

• Arithmetic Logic Unit

• Control Unit

What does the Memory Data Register (MDR) contain?

• The program sequence location

• The memory address for data access

• The data to be stored or fetched

• The instruction currently being executed

What is the role of the Memory Address Register (MAR)?

• Performs logical operations

• Stores the memory address for data access

• Holds the instruction currently being executed

• Indicates the program sequence

Which register holds the instruction currently being executed?

• Current Instruction Register

• Control Unit

• Program Counter

• Memory Data Register

What does the Program Counter (PC) indicate?

• The data to be stored in RAM

• The memory address for data access

• Where a computer is in its program sequence

• The instruction currently being executed

What is the primary purpose of cache memory?

• To perform logical operations

• To store copies of frequently used data

• To hold the instruction being executed

• To store the program sequence

What is a characteristic of batch processing?

• Processes data in real-time

• Processes data in one single operation

• Errors are dealt with immediately

• Requires constant user interaction

What is the purpose of file backup?

• To hold the instruction being executed

• To store the program sequence

• To restore files in case of data loss

• To perform logical operations

What does 'generations of files' refer to?

• Storing the most recent version of a file

• Storing three recent versions of a master file

• Storing files in real-time

• Storing files with user interaction