Computer Architecture

The register which holds the address of the location to or from which data are to be transferred is called

• Index Register

• Instruction Register

• Memory Address Register

• Memory Data Register

The register used as a working area in CPU is

• Program Counter

• Instruction Register

• Instruction Decoder

• Accumualtor

The device which is used to connect a peripheral to bus is called . Control register B. Interface C. Communication protocol D. None of these

• Control Register

• Interface

• Communication Protocol

• None of these

Which of the following register is used in the control unit of the CPU to indicate the next instruction which is to be executed ?

• Accumulator

• Index Register

• Instruction Decoder

• Program Counter

The function of program counter (PC) holds

• Temporary

• Address for Memory

• memory Operand

• Address of Instruction

Which of the following is not a form of memory ?

• Instruction Cache

• Instruction Register

• Instruction Opcode

• Both (A) and (B)

A dynamic RAM consists of

• 6 Transistors

• 2 Transistors and 2 Capacitors

• 1 Transistor and 1 capacitor

• None of These

Four memory chips of 16 x 4 size have their address bases connected together. The system will be of size

• 64 X 64

• 16 X 16

• 32 X 16

• 256 X 1

Microprocessor 8085 is the enhanced version of ......... with essentially the same construction set

• 4800

• 6800

• 8080

• 8088

The stack pointer in the microprocessor is a ______

• 16 bit register that points to stack memory locations

• 32 bit accumulator

• memory location in the stack

• flag regsiter used for the stack