Microprocessor In an intel 8085A, which is the first machine cycle of an instruction? A memory read cycle An I/O read cycle A memory write cycle An op-code fetch cycle A memory read cycle An I/O read cycle A memory write cycle An op-code fetch cycle 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? 1,2 & 3 2,3&4 1,2 & 4 1,3 &4 1,2 & 3 2,3&4 1,2 & 4 1,3 &4 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 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 A is false but R is true ANSWER DOWNLOAD EXAMIANS APP
Microprocessor The reason for the presence of ALE pin in 8085, but not in 6800 is that 8085 has multiplexed bus, whereas 6800 does not have 8085 has 5 interrupts lines, whereas 6800 has only two 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O None 8085 has multiplexed bus, whereas 6800 does not have 8085 has 5 interrupts lines, whereas 6800 has only two 8085 uses I/O mapped I/O, whereas 6800 uses memory mapped I/O None ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In microprocessor based system I/O ports are used to interface the O/P devices only the I/O devices and memory chips all the I/O devices the I/P device only the O/P devices only the I/O devices and memory chips all the I/O devices the I/P device only ANSWER DOWNLOAD EXAMIANS APP
Microprocessor In a microprocessor based system the stack is always in EPROM microprocessor RAM ROM EPROM microprocessor RAM ROM ANSWER DOWNLOAD EXAMIANS APP
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