Microprocessor Which of the following instruction will never affect the zero flag? ORA R DCX Rp DCR R XRA R ORA R DCX Rp DCR R XRA R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor If the number of address bits in a memory is reduced by 2 and the addressability is doubled, the size of the memory (i.e., the number of bits stored in the memory) Halves Remains unchanged Doubles Increases by 2^(address bits)/addressability Halves Remains unchanged Doubles Increases by 2^(address bits)/addressability ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Identify the communication interfacing device from the following 8257 8255 8251 8155 8257 8255 8251 8155 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 20 220 - 1 220 220-1 20 220 - 1 220 220-1 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assuming LSB is at position 0 and MSB at position 7, which bit positions are not used (Undefined) in flag register of an 8085 microprocessor? 1, 3, 5 1, 2, 5 1, 3, 4 2, 3, 5 1, 3, 5 1, 2, 5 1, 3, 4 2, 3, 5 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The microprocessor may be made to exit from HALT state by asserting RESTART READY line any of the five interrupt lines A or B or HOLD line RESTART READY line any of the five interrupt lines A or B or HOLD line ANSWER DOWNLOAD EXAMIANS APP