Microprocessor XCHG instruction exchanges the content of H-L with ______ register pair. B-C Stack Pointer D-E PSW B-C Stack Pointer D-E PSW ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt the microprocessor can be interrupted by a non-mask able interrupt all interrupts except non-maskable interrupt are disabled the microprocessor cannot be interrupted by any interrupt the microprocessor cannot be interrupted by any mask able interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following is a valid integer constant? 127 127 125 + 3 127 127 127 125 + 3 127 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor For the number A[15:0] = 0110110010001111, A[14:13] is ______ A[3:2]. Less than The same as Cannot be determined Greater than Less than The same as Cannot be determined Greater than ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which one of the following ICs is used to interface keyboard and display? 8279 8251 8253 8259 8279 8251 8253 8259 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. 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. Both A & R are true but R is not the correct explanation of A . A is true but R is false. ANSWER DOWNLOAD EXAMIANS APP
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