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Microprocessors And Microcontrollers MCQ Questions & Answers | ECE

Learn Microprocessors And Microcontrollers MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Microprocessors And Microcontrollers MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-10 section-2

Each section contains 100 MCQs on Microprocessors and Microcontrollers .
91
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
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
92
An active low signal INTA is not needed from µP to service which of the following interrupt request?
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
93
If interrupt service request have been received from all of the following interrupts, then which one will be serviced last?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
94
Which one of the following signal is used in DMA operation?
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
95
Match List-I with List-II and select the correct answer using the options given below the lists:
List-I $$\overline {{\text{BHE}}} \,\,\,{{\text{A}}_0}$$ 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
Discuss
Answer & Solution
Answer: Option D
No explanation is given for this question. Let's Discuss on Board
96
SIM stands for:
Discuss
Answer & Solution
Answer: Option C
No explanation is given for this question. Let's Discuss on Board
97
PLA (Programmable Logic Array) uses processor returns to
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board
98
In the circuit shown, the device connected to Y5 can have address in the range
Microprocessors and Microcontrollers mcq question image
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
99
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
Discuss
Answer & Solution
Answer: Option B
No explanation is given for this question. Let's Discuss on Board
100
. . . . . . . . port does not have pull-up resistors in 8051.
Discuss
Answer & Solution
Answer: Option A
No explanation is given for this question. Let's Discuss on Board