Microprocessor Which of the following instruction will never affect the zero flag? DCR R DCX Rp XRA R ORA R DCR R DCX Rp XRA R ORA R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor HLDA signal in 8085 performs the following operation: 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. 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. 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) None of these Execution Unit (EU) Both ‘c’ and ‘d’ Bus Interface Unit (BIU) None of these Execution Unit (EU) Both ‘c’ and ‘d’ ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion (A): Each memory chip has its own address latch. Reason (R): ALE signal comes out of microprocessor 8085 and goes to memory chip. Both A and R are correct but R is not correct explanation of A A is correct R is wrong A is wrong R is correct Both A and R are correct and R is correct explanation of A Both A and R are correct but R is not correct explanation of A A is correct R is wrong A is wrong R is correct Both A and R are correct and R is correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Monostablemultivibrators (IC74121) are used in a microprocessor based system for frequency measurement. Reason(R): Microprocessor counts the number of interrupt signals/second or within a specified interval through ISR. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. Both A & R are true but R is not the correct explanation of A. A is true but R is false. A is false but R is true. Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In 8085, the pins for SID and SOD are 4 and 3 respectively 5 and 4 respectively 4 and 5 respectively 3 and 4 respectively 4 and 3 respectively 5 and 4 respectively 4 and 5 respectively 3 and 4 respectively ANSWER DOWNLOAD EXAMIANS APP
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