T8_T12
Authored by Aishwarya Gangajaliwale
Engineering
University
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A DAC0808 circuit produces a distorted sine wave when fed from PIC. What is the most probable software-level cause?
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In embedded waveform generation using DAC, which C programming strategy ensures continuous waveform output without delay blocking?
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A student connects LEDs directly to PORTC pins without resistors. What is the most likely outcome?
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In designing a simple home protection system using embedded C, which function of PIR sensor output is typically used in the code?
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
While designing an embedded LED display board using PIC18F4520, TRISB is configured as 0x00. What is the effect of this setting on LED control?
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
An engineer connects a 4-bit LCD to PORTD of a PIC and notices garbled characters on display. Which of the following is the most likely cause?
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When interfacing a keypad to PORTB, why is configuring internal pull-ups critical?
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