The operating modes of 8255 A are called

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

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Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

incremented by one.

transferred to address bus.

transferred to memory address register .

transferred to memory data register.

incremented by one.

transferred to address bus.

transferred to memory address register .

transferred to memory data register.

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Microprocessor
How many T-states are required for execution of OUT 80H instruction?

7

10

16

13

7

10

16

13

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Microprocessor
Identify the programmable DMA controller from the following

8251

8257

8279

8253

8251

8257

8279

8253

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Microprocessor
The first machine cycle of an instruction is always

A fetch cycle

A memory read cycle

An I/O read cycle

A memory write cycle

A fetch cycle

A memory read cycle

An I/O read cycle

A memory write cycle

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Microprocessor
When RET instruction is executed by any subroutine then

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.

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.

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Microprocessor

Microprocessor The operating modes of 8255 A are called

Microprocessor At the beginning of a fetch cycle, the contents of the program counter are

Microprocessor How many T-states are required for execution of OUT 80H instruction?

Microprocessor Identify the programmable DMA controller from the following

Microprocessor The first machine cycle of an instruction is always

Microprocessor When RET instruction is executed by any subroutine then

Microprocessor
The operating modes of 8255 A are called

Microprocessor
At the beginning of a fetch cycle, the contents of the program counter are

Microprocessor
How many T-states are required for execution of OUT 80H instruction?

Microprocessor
Identify the programmable DMA controller from the following

Microprocessor
The first machine cycle of an instruction is always

Microprocessor
When RET instruction is executed by any subroutine then