Microprocessor CALL instruction is a ______ instruction. 3 bytes 2 bytes 4 bytes 1 bytes 3 bytes 2 bytes 4 bytes 1 bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8253 8259 8251 8279 8253 8259 8251 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. Points the memory address of the next instruction to be fetched. Counts the number of times the loops are executed. Counts the numbers of programs run in the machine. Counts the number of times a subroutine is called. Points the memory address of the next instruction to be fetched. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The multiplexing of address bus and data buses is used in none of these. depends on the internal architecture. all the microprocessors. never multiplexed. none of these. depends on the internal architecture. all the microprocessors. never multiplexed. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor How can we make any bit of a register “0”? AND that bit with “1” and remaining bits with “0”. OR 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”. AND that bit with “1” and remaining bits with “0”. OR 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