Microprocessor Which of the following instruction will never affect the zero flag? DCR R XRA R DCX Rp ORA R DCR R XRA R DCX Rp ORA R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Counts the number of times a subroutine is called. Points the memory address of the next instruction to be fetched. Counts the numbers of programs run in the machine. Counts the number of times the loops are executed. Counts the number of times a subroutine is called. Points the memory address of the next instruction to be fetched. Counts the numbers of programs run in the machine. Counts the number of times the loops are executed. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8255 8155 8251 8257 8255 8155 8251 8257 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following is not correct? An instruction is a set of bits that defines a computer operation Bootstrap is a technique or device for loading first instruction Bus is a group of wires An interrupt signal is required at the start of every program An instruction is a set of bits that defines a computer operation Bootstrap is a technique or device for loading first instruction Bus is a group of wires An interrupt signal is required at the start of every program ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM may be in RAM or ROM resides in microprocessor resides in ROM resides in RAM 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 registers B & C to be transferred in the stack and and the registers get cleared the contents of register B & C to be copied in the stack registers B & C to be cleared the contents of register B only to be copied in the stack the contents of registers B & C to be transferred in the stack and and the registers get cleared the contents of register B & C to be copied in the stack registers B & C to be cleared ANSWER DOWNLOAD EXAMIANS APP
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