Microprocessor Which one of the following instruction may be used to clear the accumulator content irrespective of its initial value? CLR A SUB A ORA A MOV A, 00H CLR A SUB A ORA A MOV A, 00H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a microcomputer , the address of memory locations are binary numbers that identify each memory circuit where a byte is stored. If a microcomputer uses 20-bit address, then numbers of different memory locations are 220 - 1 220 20 220-1 220 - 1 220 20 220-1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A microprocessor without the interrupt facility cannot be used for DMA operation cannot be interfaced with any I/O devices is best suited for process control system is not useful for process control system cannot be used for DMA operation cannot be interfaced with any I/O devices is best suited for process control system is not useful for process control system 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. A is true but R is false. Both A & R are true but R is not the correct explanation of A . Both A & R are true and R is the correct explanation of A. A is false but R is true. A is true but R is false. Both A & R are true but R is not the correct explanation of A . Both A & R are true and R is the correct explanation of A. ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The operating modes of 8255 A are called Mode 0, mode 2 and mode 3 Mode 0 and mode 2 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 Mode 0, mode 2 and mode 3 Mode 0 and mode 2 Mode 0, mode 1 and mode 2 Mode 0 and mode 1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor I)A total of about one million bytes can be directly addressed by the 8086 microprocessor II)8086 has thirteen 16-bit registers III)8086 has eight flags IV)Compared to 8086, the 80286 provides a higher degree of memory protection Which one of the statements given above are correct? 2,3&4 1,3 &4 1,2 & 4 1,2 & 3 2,3&4 1,3 &4 1,2 & 4 1,2 & 3 ANSWER DOWNLOAD EXAMIANS APP