Microprocessor Quiz

Which bus is bidirectional in a microprocessor system?

• Address Bus

• Control Bus

• Data Bus

• All are bidirectional

Which of the following is volatile memory?

• ROM

• Hard Disk

• RAM

• Flash Memory

Which memory is permanent and non-volatile?

• RAM

• ROM

• Cache

• Register

Which memory is the fastest?

• RAM

• Cache

• Hard Disk

• ROM

The number of lines in an 8-bit data bus is:

• 2

• 4

• 8

• 16

The Control Unit of a microprocessor:

• Stores data

• Performs arithmetic operations

• Directs operation of other units

• Performs logical operations

The Stack Pointer (SP) in a microprocessor points to:

• Top of the stack

• Bottom of the stack

• Middle of the memory

• Code segment

What is the function of the Program Counter (PC) in a microprocessor?

• Stores data temporarily

• Holds the address of the next instruction

• Performs arithmetic operations

• Controls the memory

In a microprocessor, the data bus is:

• Unidirectional

• Bidirectional

• Tridirectional

• None of the above

How many bits are processed simultaneously in an 8-bit microprocessor?

• 4 bits

• 8 bits

• 16 bits

• 32 bits