Computer Sciences MCQs Chapter 12 Class 12

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Created on February 22, 2023 By Ali Durrani

Computer Sciences Ch 12 Class 12

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1. How many types of loop structur are in C?

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16. The loop will execute at least even the condition is false

while

do-while

for

All of above

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2. is a loop statement:

while

if-else

switch

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20. Loop with in a loop is called

Loops

Multiple Loops

Many Loops

Nested Loops

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4. loop structures are available in C language:

do-while

while

for

All of these

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12. The while loop is also called: (a) conditional loop (b) (c) counter loop (d)
while Both (b) and (c)
wend loop Attribute

conditional loop

counter loop

Attribute

wend loop

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11. The body of I comes er the test condition in:

do while

while

for

both b & c

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14. Semicolon is placed at the end of condition in:

while loop

do-while loop

switch

All of these

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8. In while loop, the loop control variable always initialized

Before the loop starts

After the loop ends

Inside the loop body

Outside the program

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9. In while loop, the increment / decrement statement are placed

Before the loop starts

After the loop ends

Inside the loop body

Outside the program

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15. The do-while loop ends with a

}

;

)

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18. is related to loop structures:

Body of loop

Loop control variable

Condition

All of these

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17. The of for loop executed only once in the first iteration

Increment / decrement

Initialization expression

All of above

Loop condition

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13. The body of loop comes before the test condition in:

do-while

while

for

None

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5. is called counter loop:

do-while

while

for

Both (a) & (b)

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6. Which one is not a loop structure

switch

for

while

do-while

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3. The loop which never ends is called:

for loop

nested loop

infinite loop

All

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7. A variable whose value controls the number of iterations is known as

Variable

Control Variable

Loop Variable

Loop Control Variable

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10. structure executes the body of loop at least once:

do-while

while

for

None

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19. structure is used when programmer does not know is advance the number of repetition of loop?

do-while

for

while

Both (a) and (c)

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