Microprocessor
HLDA signal in 8085 performs the following operation:

 Indicates that another master is requesting the use of the address and data buses.
 Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle.
 Indicates that the CPU has not received the HOLD request.
 Hold the data in the accumulator until the microprocessor is turned OFF.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
A good assembly language programmer should use general purpose registers rather than memory in maximum possible ways for data processing. This is because:

 Data processing with registers takes fewer cycles than that with memory
 Of limited set of instructions for data processing with memory
 Data processing with registers is easier than with memory
 Data processing with memory requires more instructions in the program than that with registers

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
PUSH B instruction in 8085 microprocessor causes

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

ANSWER DOWNLOAD EXAMIANS APP