Microprocessor Online Quiz


Play this quiz that will help you to excel in Microprocessor certification exams, placements etc. This Microprocessor quiz consist of 10 questions that you need to solve in 10 minutes. We’ve specially designed this quiz so that you can quickly acquaint to the pattern of questions you can be asked in placement drives, certification exams etc.

Introduction to Microprocessors

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Explain the basic block diagram of digital computer system and Explain microprocessor-based system.

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Microprocessor MCQs

Practice Microprocessor MCQ Questions, which will help you to understand the architecture and working of microprocessor and to prepare for competitive exams and placements.

Microprocessor Quiz

Try Free Microprocessor Quiz, to start a quiz you need to login first, after login you will get start quiz button and then by clicking on that you can start quiz. You will get 10 Minutes to answer all questions.

Microprocessor Quiz

1. What is true about Program counter?

It is an 8-bit register, which holds the temporary data of arithmetic and logical operations.
When an instruction is fetched from memory then it is stored in the program counter
It provides timing and control signal to the microprocessor
It is a 16-bit register used to store the memory address location of the next instruction to be executed.

2. At what PIN number, there is a RESET pin, which is used to reset the microcontroller to its initial values?

PIN 9
PIN 20
PIN 30
PIN 35

3. It is a tri-state, bi-directional, 8-bit buffer, which is used to interface the 8253/54 to the system data bus.

Read/Write Logic
Data Bus Buffer
system data bus
System Buffer

4. Clock Speed is also known as?

Clock Rate.
Clock Length.
Clock Set.
Clock Type.

5. Which mode generates a strobe in response to an externally generated signal?

Mode 3
Mode 4
Mode 5
Mode 6

6. It is an edge triggered input, which causes an interrupt request to the microprocessor.

NMA
INTR
INTA
ALE

7. Which of the following are incorrect Characteristics of CISC?

Variety of addressing modes.
Variable length of instruction format
Instruction-decoding logic is complex.
Small number of instructions.

8. Which flag represents the result when the system capacity is exceeded?

Carry flag
Auxiliary flag
Trap flag
Overflow flag

9. A _____________ is a specially designed circuit on microprocessor chip which can perform the same task very quickly, which the microprocessor performs

Coprocessor configuration
Closely coupled configuration
Loosely coupled configuration
None of the above

10. At what PIN number, there is EA pin which stands for External Access input?

PIN 28
PIN 29
PIN 30
PIN 31

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