Microprocessor Pick up the programmable interrupt controller from the following 8257 8279 8259 8275 8257 8279 8259 8275 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor A sequence of two registers that multiplies the content of DE register pair by two and stores the result in HL register pair (in 8085 assembly language) is XTHL & DAD H XCHG & DAD B PCHL & DAD D XCHG & DAD H XTHL & DAD H XCHG & DAD B PCHL & DAD D XCHG & DAD H 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 cannot be interrupted by any 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 mask able interrupt the microprocessor cannot be interrupted by any 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 mask able interrupt ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Each instruction in an assembly language program has the following fields 1. Label field 2. Mnemonic field 3. Operand field 4. Comment field What are the correct sequence of these fields? 1, 3, 2 and 4 1, 2, 3 and 4 2, 1, 4 and 3 2, 4, 1 and 3 1, 3, 2 and 4 1, 2, 3 and 4 2, 1, 4 and 3 2, 4, 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The first machine cycle of an instruction is always An I/O read cycle A memory read cycle A memory write cycle A fetch cycle An I/O read cycle A memory read cycle A memory write cycle A fetch cycle ANSWER DOWNLOAD EXAMIANS APP
Microprocessor Assertion(A): The frequency of 8085 system is ½ of the crystal frequency. Reason(R): Microprocessor (8085) requires a two phase clock. Both A & R are true and R is the correct explanation of A A is true but R is false A is false but R is true 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 true but R is false A is false but R is true Both A & R are true but R is not the correct explanation of A ANSWER DOWNLOAD EXAMIANS APP
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