ppsc lecturer Computer science syllabus

Lecturer Computer Science Test 18 Online Preparation MCQs

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There will be 25 multiple choice question in the test.
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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 18
Test Type	MCQs
Total Questions	25
Total Time	20 Minutes
Total Marks	100

You have 20 minutes to pass to the quiz.

PPSC Lecturer of Computer Science Practice Test 18

1 / 25

Which of the following statements allows the user to enter data at the keyboard?

cin >> currentPay;

cin << currentPay;

cout << currentPay;

None of the above

cout >> currentPay;

2 / 25

If container classes are carefully constructed, then these tools are available to work with structures that are not:

type-specific

valid without container classes

public

programmer-defined

3 / 25

You define a structure type globally because:

All of the above

you save many lines of code by not rewriting an identical structure definition in each function that uses it

you will never change its definition

it is required in C++

4 / 25

What does C++ append to the end of a string literal constant?

a null character

an asterisk (*)

a space

a number sign (#)

5 / 25

Which of the following is(are) invalid string constant(s)?

'7.15 pm'

"i like e"

"1234el2"

"7.3el2"

None of the above

6 / 25

When a child class function is called, the compiler looks first for a matching function name in the:

base class

immediate ancestor class

descendant class

class of the object using the function name

7 / 25

The generic type in a template function:

cannot be T for functions you create, but may be for C++'s built-in functions

can be T

must be T

cannot be T

8 / 25

To be called object-oriented, a programming language must allow:

All of the above

functions that return only a single value

#include files

inheritance

9 / 25

The best form of coupling is:

Free

complete

Tight

loose

10 / 25

An array name is a:

formal parameter

memory address

Subscript

Prototype

11 / 25

When you pass a variable _____, C++ passes only the contents of the variable to the receiving function:

by value

by reference

Globally

Locally

12 / 25

A function that is called automatically each time an object is destroyed is a:

terminator

destroyer

destructor

constructor

13 / 25

keyword used to define a structure is:

struct

stru

stt

structure

14 / 25

To enter a comment in a C++ program, you begin the comment with:

15 / 25

Paying attention to the important properties while ignoring inessential details is known as:

abstraction

Summarizing

Polymorphism

selectiveness

16 / 25

Header files often have the file extension:

.HEAD

.HE

.HEA

17 / 25

If you create an instantiation of a class template with an int, and then create a second instantiation with a double, then:

you must precede each function call with the word int or double

there is no difference in the procedure to call a member function

you cannot perform this operation in C++

once a function is used as one type, it becomes unavailable for use with the other type

18 / 25

The step-by-step instructions that solve a problem are called:

a list

a sequential structure

a plan

an algorithm

19 / 25

The newline character is always included between:

pair of curly braces

None of the above

pair of parentheses

control string

20 / 25

Overloaded functions are required to:

have the same number of parameters

have the same return type

perform the same basic functions

None of the above

21 / 25

Which of the following statements is false?

A function is a block of code that performs a specific task

Programmer-defined functions can be either value-returning or void

Functions allow programmers to use existing code to perform common tasks

Functions allow programmers to break large and complex problems into small and manageable tasks

Functions can be called, or invoked, only once in a program

22 / 25

The #ifndef directive tests to see whether:

a class has no variable definitions

a class has been defined

a variable has been given a value

any objects of the class have been instantiated

23 / 25

The type to be used in an instantiation of a class template follows:

the keyword class

the template definition

the keyword template

the generic class name

24 / 25

Which type of statement does not occur in computer programs?

denial

loop

selection

sequence

25 / 25

A function that returns no values to the program that calls it is:

D. type barren

not allowed in C++

type empty

type void

Your score is

The average score is 30%

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