12th class Computer Science chapter 12 online mcq test with answers for ICS part 2 Computer Science chapter 12 (Loop Constructs)

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Sr.#	Question	Answer
1	A loop within another loop is called	A. Inner loop B. Nested loop C. Counter loop D. None
2	The keyword 'break' cannot be used within:	A. Do-while B. If-else C. For D. While
3	The loop structure that executes at least ones is	A. While B. Do-while C. For D. All
4	What is the value of "a" after execution the following code segment: int a=2; int b=0; while(b<5) { a=a*2; b=b+1; } a=a+1;	A. 64 B. 65 C. 66 D. 67
5	If we want a user to enter exactly 20 values, which loop would be the best to use?	A. While B. Do-while C. For D. Infinite
6	Where should be the loop control variable initialized?	A. Before the loop starts B. In the first statement of the loop body C. In the last statement of the loop body D. Anywhere in the loop body
7	When does the code block following while (x<100) execute?	A. When x is less then one hundred B. When x is greater then one hundred C. When x is equal to one hundred D. None
8	While loop is also called:	A. Conditional loop B. Wend loop C. Counter loop D. Continuous loop
9	This means to increase a value by one:	A. Modulus B. Increment C. Decrement D. Inc
10	When is for loop more appropriate then while loop?	A. The termination condition is known in advance B. The number of iterations is not known in advance C. The loop should be executed only once D. The loop should be executed at least once