Which one of the following circuits transmits two messages simultaneously in one direction

Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

Simplex

Duplex

Quadruplex

Diplex

Simplex

Duplex

Quadruplex

Diplex

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Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

Instruction fetch.

Instruction decoding.

Arithmatic and Logic operations.

All the above.

Instruction fetch.

Instruction decoding.

Arithmatic and Logic operations.

All the above.

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Microprocessor
Total number of modes the 8253 can work

6

8

12

4

6

8

12

4

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Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

To achieve all the functions listed above

Enable the data bus to be used as low order address bus

To disable data bus

To latch data D0-D7 from data bus

To achieve all the functions listed above

Enable the data bus to be used as low order address bus

To disable data bus

To latch data D0-D7 from data bus

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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 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

the microprocessor cannot be interrupted by any interrupt

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Microprocessor
When RET instruction is executed by any subroutine then

without any operation, the calling program would resume from instruction immediately following the call instruction and also the PC will be incremented after the execution of the instruction.

the top of the stack will be popped out and assigned to the PC.

without any operation, the calling program would resume from instruction immediately following the call instruction.

the PC will be incremented after the execution of the instruction.

without any operation, the calling program would resume from instruction immediately following the call instruction and also the PC will be incremented after the execution of the instruction.

the top of the stack will be popped out and assigned to the PC.

without any operation, the calling program would resume from instruction immediately following the call instruction.

the PC will be incremented after the execution of the instruction.

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Microprocessor

Microprocessor Which one of the following circuits transmits two messages simultaneously in one direction

Microprocessor Bus Interface Unit (BIU) in 8086 performs the following functions:

Microprocessor Total number of modes the 8253 can work

Microprocessor Inintel 8085A microprocessor ALE signal is made high to

Microprocessor Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions

Microprocessor When RET instruction is executed by any subroutine then

Microprocessor
Which one of the following circuits transmits two messages simultaneously in one direction

Microprocessor
Bus Interface Unit (BIU) in 8086 performs the following functions:

Microprocessor
Total number of modes the 8253 can work

Microprocessor
Inintel 8085A microprocessor ALE signal is made high to

Microprocessor
Which of the following is not true during the execution of an interrupt service routine, which does not contain any EI instructions

Microprocessor
When RET instruction is executed by any subroutine then