Microprocessor Assertion(A): Address bus is unidirectional. Reason(R): Data bus is bidirectional A is true but R is false Both A & R are true but R is not the correct explanation of A A is false but R is true Both A & R are true and R is the correct explanation of A A is true but R is false Both A & R are true but R is not the correct explanation of A 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 The operating modes of 8255 A are called Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 Mode 0, mode 2 and mode 3 Mode 0 and mode 1 Mode 0, mode 1 and mode 2 Mode 0 and mode 2 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In an 8085 microprocessor based system, the contents of SP are 1000H, PUSH B instruction will transfer the contents of registers B & C respectively for memory locations 0FFF H and 0FFE H 0FFE H and 0FFF H 1000 H and 0FFF H 1000 H and 1001 H 0FFF H and 0FFE H 0FFE H and 0FFF H 1000 H and 0FFF H 1000 H and 1001 H ANSWER DOWNLOAD EXAMIANS APP
Microprocessor CALL instruction is a ______ instruction. 3 bytes 2 bytes 4 bytes 1 bytes 3 bytes 2 bytes 4 bytes 1 bytes ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Which of the following instruction will never affect the zero flag? DCX Rp ORA R XRA R DCR R DCX Rp ORA R XRA R DCR R ANSWER DOWNLOAD EXAMIANS APP
Microprocessor DS directive in 8085 None of these Forces the assembler to reserve a specified number of consecutive bytes in the memory Forces the assembler to reserve one byte of memory Forces the assembler to reserve a specified number of bytes in the memory None of these Forces the assembler to reserve a specified number of consecutive bytes in the memory Forces the assembler to reserve one byte of memory Forces the assembler to reserve a specified number of bytes in the memory ANSWER DOWNLOAD EXAMIANS APP