Microprocessor The multiplexing of address bus and data buses is used in all the microprocessors. never multiplexed. none of these. depends on the internal architecture. all the microprocessors. never multiplexed. none of these. depends on the internal architecture. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? XRA R DCR R ORA R DCX Rp XRA R DCR R ORA R DCX Rp ANSWER DOWNLOAD EXAMIANS APP
Microprocessor During the execution of the instruction, the ________tests the status and control flags and updates them based on the results of executing the instruction. Both ‘c’ and ‘d’ None of these Execution Unit (EU) Bus Interface Unit (BIU) Both ‘c’ and ‘d’ None of these Execution Unit (EU) Bus Interface Unit (BIU) ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Program counter in a digital computer Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times the loops are executed. Counts the number of times a subroutine is called. Counts the numbers of programs run in the machine. Points the memory address of the next instruction to be fetched. Counts the number of times the loops are executed. Counts the number of times a subroutine is called. ANSWER DOWNLOAD EXAMIANS APP
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. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. 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. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a computer the data transfer between hard disk and CPU is nearly the same as that between diskette and CPU. False True False True ANSWER DOWNLOAD EXAMIANS APP
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