Microprocessor
Consider the following statements: In 8085 microprocessor, data-bus and address bus are multiplexed in order to I)Increase the speed of microprocessor. II)Reduce the number of pins. III)Connect more peripheral chips. Which of these statements is/are correct?

 (II) only
 (II) & (III)
 (I), (II) & (III)
 (I) only

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
PUSH B instruction in 8085 microprocessor causes

 the contents of registers B & C to be transferred in the stack and and the registers get cleared
 the contents of register B only to be copied in the stack
 the contents of register B & C to be copied in the stack
 registers B & C to be cleared

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Which of the following statements for intel 8085 is correct?

 PC specifies the number of instructions executed so far
 Program Counter (PC) specifies the address of the instruction last executed
 PC specifies the address of the instruction to be executed
 PC specifies the address of the instruction being executed

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Program counter in a digital computer

 Counts the number of times a subroutine is called.
 Counts the number of times the loops are executed.
 Points the memory address of the next instruction to be fetched.
 Counts the numbers of programs run in the machine.

ANSWER DOWNLOAD EXAMIANS APP
MORE MCQ ON Microprocessor