Microprocessor In order to save accumulator value on the stack, which of the following instruction may be used PUSH PSW PUSH A PUSH SP POP PSW PUSH PSW PUSH A PUSH SP POP PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The stack pointer register in a microprocessor keeps the address of the next instruction to be fetched counts the number of instructions being executing on the microprocessor counts the number of programs being executing on the microprocessor holds the address of the top of the stack keeps the address of the next instruction to be fetched counts the number of instructions being executing on the microprocessor counts the number of programs being executing on the microprocessor holds the address of the top of the stack ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): Ready signal of microprocessor is used to detect whether a peripheral is ready for the data transfer or not. Reason(R): In the microprocessor during data transfer operations, the wait states are added by forcing the ready signal low. Both A & R are true but R is not the correct explanation of A . A is true but R is false. Both A & R are true and R is the correct explanation of A. A is false but R is true. Both A & R are true but R is not the correct explanation of A . A is true but R is false. Both A & R are true and R is the correct explanation of A. A is false but R is true. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The data bus of any microprocessor is always Unidirectional None Either unidirectional or bi-directional Bi-directional Unidirectional None Either unidirectional or bi-directional Bi-directional ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is a valid integer constant? 127 125 + 3 127 127 127 125 + 3 127 127 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 the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. Hold the data in the accumulator until the microprocessor is turned OFF. Indicates that the CPU has not received the HOLD request. Indicates that the CPU has received the HOLD request and that it will relinquish the bus in the next clock cycle. Indicates that another master is requesting the use of the address and data buses. ANSWER DOWNLOAD EXAMIANS APP
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