Que: 31. Which out of the following instructions don’t affect the flags of the status register?
|
| a. AND |
| b. INC |
| c. OR |
| d. ADD |
Que: 32. What is the difference between the two given instructions?LDI R16,0x34 and LDI R16,$34
|
| a. One copies the hexadecimal value to R16 and the other copies the decimal value to the R16 register |
| b. One is for command, other is for data |
| c. One is for assignment, other is for operations |
| d. Both the commands are the same |
(d). Both the commands are the same
Que: 33. Which out of the following is not a directive?
|
| a. .EQU |
| b. .DEVICE |
| c. .ORG |
| d. .LDI |
Que: 34. Is an assembly language a high level language?
|
| a. Yes |
| b. No |
| c. can’t be said |
| d. None of the mentioned |
Que: 35. A 14 bit program counter can execute a maximum of _________ memory locations?
|
| a. 4K |
| b. 8K |
| c. 16K |
| d. 64K |
Que: 36. When AVR wakes up, then the value of PC becomes?
|
| a. 00H |
| b. 000H |
| c. 0000H |
| d. 00000H |
Que: 37. Which of the following is correct about BRNE instruction in avr microcontrollers?
|
| a. it is used to compare two registers |
| b. it is used to compare two values |
| c. it is used check the zero flag |
| d. it is used to jump to the given mentioned label when the zero flag accounts to 1 |
(d). it is used to jump to the given mentioned label when the zero flag accounts to 1
Que: 38. How many times is this loop going to get execute?LDI R20, 10now: LDI R21, 70DEC R21BRNE nowOUT PORTB, R20
|
| a. 10 |
| b. 70 |
| c. 700 |
| d. none of the mentioned |
Que: 39. Which of the below mentioned are not the conditional jumps?
|
| a. BRLO |
| b. BRMI |
| c. BRVC |
| d. None of the mentioned |
(d). None of the mentioned
Que: 40. What is the relation between the target and the relative address?
|
| a. target address= PC address + relative address. |
| b. target address= relation address*2 |
| c. relative address= PC address + target address |
| d. none of the mentioned |
(a). target address= PC address + relative address.