Microcontroller Mcqs
Our Collection of Microcontroller questions and answers focuses on all areas of Multiprocessors covering a collection of most authoritative and best reference books on Microcontroller. One should spend 1 hour daily for 2-3 months to learn and assimilate Microcontroller comprehensively.
2. What is the order decided by a processor or the CPU of a controller to execute an instruction?
Decode,fetch,execute
Execute,fetch,decode
Fetch,execute,decode
Fetch,decode,execute
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3. How are micro controllers classified on the basic of internal bus width?
8,16,32,64 bits
4,8,16,32 bits
8,16 bits
4,16,32 bits
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4. How is the performance and the computer capability affected by increasing its internal bus width?
It increases and turns better
It decreases
Remains the same
Internal bus width don’t affect the performance in any way
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5. Abbreviate CISC and RISC.
Complete Instruction Set Computer, Reduced Instruction Set Computer
Complex Instruction Set Computer, Reduced Instruction Set Computer
Complex Instruction Set Computer, Reliable Instruction Set Computer
Complete Instruction Set Computer, Reliable Instruction Set Computer
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6. Give the names of the buses present in a controller for transferring data from one place to another?
Data bus, address bus
Data bus
Data bus, address bus, control bus
Address bus
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7. What is the file extension that is loaded in a micro controller for executing any instruction?
.doc
.c
.txt
.hex
8. What are the most appropriate criterion for choosing the right micro controller of our choice?
Speed
Availability
Ease with the product
All of the mentioned
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9. Why micro controllers are not called general purpose devices?
Because they are based on VLSI technology
Because they are not meant to do a single work at a time
Because they are cheap
Because they consume low power
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10. MAX1112 is a _________ type of ADC converter?
Parallel
12 bit
Serial
All of the mentioned
11. Why do we connect a capacitor between the Vref and the Gnd pin?
To remove the leakage
To ensure more current at that place
To make more Vref
To make Vref stable and also to increase the precision of the ADC
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12. Which of the following are the registers that are used for controlling the ADC conversion in the AVR?
ADCSRA
ADMUX
SPIOR
All of the mentioned
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13. What is the internal Vref of an Atmega32 series?
5V
3.3V
2.56V
All of the mentioned
14. The output of a DAC0808 is in form of
Electrical pulse
Current
Voltage
All of the mentioned
15. In a DAC the input is ______ and the output is ______
Analog, digital
Current, voltage
Digital, analog
Analog, current
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