CS201 Final Term Quiz 3 July 2023 Part 4 by Miss Mehwish

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Q1. How many bits form a byte?

1. 2
2. 4
3. 6
4. 8

Correct option: d) 8

Q2. Which of the following code segment represents a left shift operator? Options:

1. result = number >> 1;
2. result = number << 1;
3. cout << 1;
4. cin >> number;

Correct option: B) result = number << 1; result = number &lt;&lt; 1;

Q3. The dynamic memory allocation uses ___________ whereas static memory allocation uses

1. array, stack
2. classes, array
3. stack, lists
4. heap, stack

Correct option: d) heap, stack

Q4. In _____________, we have different data members and all of these have their own memory space. Options:

1. union
2. construct
3. structures
4. None of the given

Correct option: a) union

Q5. With the use of dynamic allocation of memory, the system resources can be _______________. Options:

1. all of the given options
2. used efficiently
3. used carelessly
4. wasted

Correct option: b) used efficiently

Q6. Initializing the data member within the class is _____________. Options:

1. a syntax error
2. not an error
3. a logical error
4. a runtime error

Correct option: b) not an error

Q7. "a = a | b;" can be written as ________________.

1. a = | b;
2. a == b;
3. a = b;
4. a |= b;

Correct option: d) a |= b;

Q8. We should not use variable names that start with ____________ because in C++, there are lots of internal constants and symbolic names that start with it.

1. none of the given options
2. upper case alphabets
3. double underscore
4. lower case alphabets

Correct option: c) double underscore

Q9. The original value remains unchanged in _____________. Options:

1. Call by value
2. Dynamic Variables