Microprocessor
In microprocessor based system I/O ports are used to interface

 the I/O devices and memory chips
 all the I/O devices
 the I/P device only
 the O/P devices only

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
How can we make any bit of a register “0”?

 OR that bit with “1” and remaining bits with “0”.
 AND that bit with “1” and remaining bits with “0”.
 OR that bit with “0” and remaining bits with “1”.
 AND that bit with “0” and remaining bits with “1”.

ANSWER DOWNLOAD EXAMIANS APP

Microprocessor
PUSH B instruction in 8085 microprocessor causes

 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
 the contents of register B only to be copied in the stack

ANSWER DOWNLOAD EXAMIANS APP