Microprocessor A bus connected between the CPU and main memory that permits transfer of information between main memory and the CPU is known as Address bus DMA bus Control bus Memory bus Address bus DMA bus Control bus Memory bus ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always A memory write cycle A memory read cycle A fetch cycle An I/O read cycle A memory write cycle A memory read cycle A fetch cycle An I/O read cycle 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. Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these Bus Interface Unit (BIU) Both ‘c’ and ‘d’ Execution Unit (EU) None of these ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A MOV A, 00H ORA A SUB A CLR A MOV A, 00H ORA A SUB A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085 microprocessor , let the accumulator contains the value 0AH and register C contains the value 05H. After CMP C instruction is executed, the zero flag will be set and carry flag will be reset zero and carry flags will be set zero and carry flags will be reset zero flag will be reset and carry flag will be set zero flag will be set and carry flag will be reset zero and carry flags will be set zero and carry flags will be reset zero flag will be reset and carry flag will be set ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Let the content of accumulator and register B be 0000 0100 and 0100 0000 respectively before execution of instruction SUB B. The content of accumulator after the execution of this instruction will be 11000100 00000100 01000000 010001000 11000100 00000100 01000000 010001000 ANSWER DOWNLOAD EXAMIANS APP
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