Microprocessor
Which one of the following is not correct?

 Bootstrap is a technique or device for loading first instruction
 Bus is a group of wires
 An instruction is a set of bits that defines a computer operation
 An interrupt signal is required at the start of every program

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock.

 A is false but R is true
 A is true but R is false
 Both A & R are true but R is not the correct explanation of A
 Both A & R are true and R is the correct explanation of A

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
When referring to instruction words, a mnemonic is

 a short abbreviation for the data word stored at the operand address.
 a short abbreviation for the operand address.
 shorthand for machine language.
 a short abbreviation for the operation to be performed.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
IN an intel 8085A microprocessor, why is READY signal used?

 To slow down a fast peripheral device so as to communicate at the microprocessor’s device.
 To provide proper WAIT states when the microprocessor is communicating with a slow peripheral device.
 To indicate to user that the microprocessor is working and is ready for use.
None of these

ANSWER DOWNLOAD EXAMIANS APP