Online Computer Science Test - Object Oriented Programming Test 3

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Total number of questions: 20.
Time allotted: 30 minutes.
Each question carries 1 mark; there are no negative marks.
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Evaluate the following expression: 3 >6&&7>4

True

False

[#]

A normal C++ operator that acts in special ways on newly defined data types is said to be

glorified

encapsulated

classified

overloaded

[#]

Functions that returns information about an object's state can be classified as ________

inspector functions

mutator functions

auxiliary functions

manager functions

[#]

If you want only one memory location to be reserved for a class variable, no matter how many objects are instantiated, you should declare the variable as

static

unary

dynamic

volatile

[#]

Using new may result in less _____ memory than using an array

wasted

used

RAM

ROM

[#]

Which of the following is a C++ class?

read()

cin

iostream

[#]

Which of the following, if any, are invalid names for a variable?

bankAccountNumber

first_Name

doubleNumber

operator

All of the above are valid names for variables

[#]

To create a template class, you begin with _________

the template definition

the keyword class

the function definitions

the keyword definition

[#]

An exception specification begins with the keyword _____

exception

try

throw

catch

[#]

10.

In C++, the address operator is the following symbol _____

[#]

11.

Which of the following is true?

iostream is derived from istream

iostream is derived from ostream

ostream is derived from iostream

ostream is derived from istream

[#]

12.

In the C language, the character type of constant is delimited by using

single quotes

double quotes

parenthesis

None of the above

[#]

13.

One of the logical operators in the C language is represented by the symbol

AND

None of the above

[#]

14.

Which is true?

Coincidental cohesion is stronger than procedural cohesion

Logical cohesion is stronger than coincidental cohesion

Sequential cohesion is weaker than temporal cohesion

The weakest cohesion is functional

[#]

15.

A pointer is

the address of a variable

an indication of the variable to be accessed next

a variable for storing addresses

the data type of an address variable

[#]

16.

Programmers prefer to declare almost all variables _____

at the beginning of each function

globally

on one line

with cryptic names

[#]

17.

A function's single most important role is to

give a name to a block of code

reduce program size

accept arguments and provide a return value

help organize a program into conceptual units

None of the above

[#]

18.

The main difference in operation between an 'if statement and a 'while' statement is

the 'while' loop body is executed

the body of the 'while' statement may be executed many times, the body of the 'if statements only once

the conditional expression following the keyboard is evaluated differently

All of the above

None of the above

[#]

19.

The 'break' statement is used to exist from

a do loop

a for loop

a switch statement

All of the above

None of the above

[#]

20.

Which of the following creates a String named constant called partNo, whose value is AB45?

const char[4] partNo = "AB45";

const char[5] partNo = 'AB45';

const char[5] partNo = "AB45";

const char partNo[5] = "AB45";

None of the above

[#]

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Online Computer Science Test - Object Oriented Programming Test 3

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