Microcontroller Mock Test 6

10%

Question 1 of 10

1. DS1307 has a total of _______ bytes of RAM space.

128

256

Question 1 of 10

Question 2 of 10

2. In a DAC the input is ______ and the output is ______

digital, analog

current, voltage

analog, current

analog, digital

Question 2 of 10

Question 3 of 10

3. Why do we make the connection of the SCLK for communicating serially between two devices?

to obtain an analog output

to get a clock output from the device

to synchronize the two devices

all of the mentioned

Question 3 of 10

Question 4 of 10

4. LM35 provides _______ V for each degree count?

0.001

0.1

Question 4 of 10

Question 5 of 10

5. What is the value of the control register when RESET button is set to zero?

0x00H

0x11H

0xFFH

value remains the same

Question 5 of 10

Question 6 of 10

6. 8255 is a ____ pin IC.

Question 6 of 10

Question 7 of 10

7. What is the difference between the LM34 and the LM35 based sensors?

all of the mentioned

one is fast other is slow

one has output voltage proportional to the Celsius scale while others have to the Fahrenheit scale

one requires external calibration while other does not

Question 7 of 10

Question 8 of 10

8. What is the temperature for LM35 sensor if the analog output is 0011 1001?

Question 8 of 10

Question 9 of 10

9. In SPI write, LSB goes first?

true

false

can't be said

depends on the cases

Question 9 of 10

Question 10 of 10

10. Reed switches show connectivity whenever they are in the presence of an electrical field?

false

depends on the conditions

true

can't say

Question 10 of 10