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Microprocessors And Microcontrollers
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Q181

First In First Out (FIFO) is used in-

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Q182

Is there any error found in the given instruction? If yes, find the right alternate. (8086 ALP) MOVES, DS

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Q183

If contents of the accumulator in 8085 are 81 H and carry flag is '0', find accumulator contents after executing the instruction RRC?

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Q184

The number of 8259 interrupt controllers required to be cascaded to provide interrupt facility to a maximum of 29 different devices are

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Q185

What is the duration of the bus-cycle in an 8086 based microcomputer, if the clock frequency is 12 MHz without any wait - states?

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Q186

In RAM chip with a total of 8096 words, the word addresses ranges from

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Q187

In a microprocessor, the service routine for a certain interrupt starts from a fixed location of memory which cannot be externally set, but the interrupt can be delayed or rejected. Such an interrupt is

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Q188

Which of the following is not a basic element within the microprocessor?

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Q189

The statement label in a subroutine

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Q190

The interfacing device used for generation of accurate time delay in microcomputer system is

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Q191

After complete execution of the program in IC 8085 Microprocessor, PC contains . . . . . . . . and SP contains . . . . . . . .

Memory address in hex	Instruction
2000	LXI SP, 1000
2003	PUSH H
2004	PUSH D
2005	CALL 2050
2008	POP H
2009	HLT

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Q192

An active low signal INTA is not needed from µP to service which of the following interrupt request?

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Q193

If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?

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Q194

Which one of the following signal is used in DMA operation?

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Q195

Match List-I with List-II and select the correct answer using the options given below the lists:

List-I $BHE A_{0}$	List-II What is read/written?
a. 0 0	1. 1 bytes from/to odd address
b. 0 1	2. 1 byte from/to even address
c. 1 0	3. 1 16-bit word
d. 1 1	4. NOP

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Q196

SIM stands for:

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Q197

PLA (Programmable Logic Array) uses processor returns to

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Q198

In the circuit shown, the device connected to Y5 can have address in the range
Microprocessors and Microcontrollers mcq question image

Microprocessors and Microcontrollers mcq question image

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Q199

What will be content of Stack Pointer if following assembly code of 8051 microcontroller is executed immediately after reset?
PUSH 00h
POP 01h
POP 02h

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Q200

. . . . . . . . port does not have pull-up resistors in 8051.

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