Microcontroller Mock Test 4

10%

Question 1 of 10

1. What is the main function of the SBIC instruction?

none of the mentioned

it is used to jump unconditionally

it is used to skip the instruction if a particular bit of a port is zero

it is used to clear a particular bit of a port

Question 1 of 10

Question 2 of 10

2. CP instruction alters the value of the register?

can't be said

none of the mentioned

true

false

Question 2 of 10

Question 3 of 10

3. In the JMP instruction, how many bits are there for determining the target address?

Question 3 of 10

Question 4 of 10

4. Timer 0 can act as a counter ____________

none of the mentioned

if the FOC0 bit is set to 110

all of the mentioned

if the CS02-CS00 are 110 or 111

Question 4 of 10

Question 5 of 10

5. Instruction CBI PORTB,1 means

setting the PORTB register

clearing the first bit of the PORTB register

clearing the PORTB register

setting the first bit of the PORTB register

Question 5 of 10

Question 6 of 10

6. Which of the following is not a single bit instruction in AVR?

CBI

SBI

All of the mentioned

PORT

Question 6 of 10

Question 7 of 10

7. ADC instruction is used for?

automatic digital control

none of the mentioned

analog to digital conversion

addition of two 16 bit numbers

Question 7 of 10

Question 8 of 10

8. The largest value that can be loaded in an 8 bit register is?

00H

11111111H

FFH

Question 8 of 10

Question 9 of 10

9. Is the following instruction correct LDI R3,50?

Yes

Cant be said

None of the mentioned

Question 9 of 10

Question 10 of 10

10. In AVR, which of the following registers are not used for programming timers?

None of the mentioned

TCON

TCNT

TIFR

Question 10 of 10