Microprocessor MCQ Questions
This section focuses on "Basics" of Microprocessor. These Multiple Choice Questions (MCQ) should be practiced to improve the Microprocessor skills required for various interviews (campus interview, walk-in interview, company interview), placements, entrance exams and other competitive examinations.
1. What is true about microprocessor?
A. Microprocessor is a controlling unit of a micro-computer
B. It is fabricated on a small chip capable of performing ALU (Arithmetic Logical Unit) operations
C. It also communicate with the other devices connected to it.
D. All of the above
View Answer
Ans : D
Explanation: Microprocessor is a controlling unit of a micro-computer, fabricated on a small chip capable of performing ALU (Arithmetic Logical Unit) operations and communicating with the other devices connected to it.
2. Microprocessor consists of?
A. ALU
B. register array
C. control unit
D. All of the above
View Answer
Ans : D
Explanation: Microprocessor consists of an ALU, register array, and a control unit.
3. The __________ controls the flow of data and instructions within the computer.
A. control unit
B. register array
C. accumulator
D. ALU
View Answer
Ans : A
Explanation: The control unit controls the flow of data and instructions within the computer.
4. Which of the following is not a features of a Microprocessor?
A. Versatility
B. Reliability
C. Low Bandwidth
D. Low Power Consumption
View Answer
Ans : C
Explanation: low bandwidth is not a features of a Microprocessor
5. The microprocessor ___________ those instructions from the memory
A. Fetch
B. Decode
C. Execute
D. None of the above
View Answer
Ans : A
Explanation: The microprocessor fetches those instructions from the memory, then decodes it
6. It determines the number of operations per second?
A. Bandwidth
B. Word Length
C. Clock Speed
D. Operations Speed
View Answer
Ans : C
Explanation: Clock Speed : It determines the number of operations per second the processor can perform. It is expressed in megahertz (MHz) or gigahertz (GHz).
7. Clock Speed is also known as?
A. Clock Rate.
B. Clock Length.
C. Clock Set.
D. Clock Type.
View Answer
Ans : A
Explanation: Clock Speed : It determines the number of operations per second the processor can perform. It is expressed in megahertz (MHz) or gigahertz (GHz).It is also known as Clock Rate.
8. An 8-bit microprocessor can process _____ data at a time.
A. 4-bit
B. 8-bit
C. 16-bit
D. All of the above
View Answer
Ans : B
Explanation: An 8-bit microprocessor can process 8-bit data at a time.
9. The number of bits processed in a single instruction is known as ?
A. Instruction Set
B. Bandwidth
C. Bandspeed
D. Instruction Speed
View Answer
Ans : B
Explanation: Bandwidth : It is the number of bits processed in a single instruction.
10. What is false about microprocessor?
A. The microprocessor is of small size chip, hence is not portable.
B. microprocessor chips are available at low prices
C. microprocessors are versatile
D. failure rate of an IC in microprocessors is very low
View Answer
Ans : A
Explanation: The microprocessor is of small size chip, hence is portable.
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