Online Computer Science Test - Object Oriented Programming Test 2

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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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A function that changes the state of the cout object is called a(n) _____

member

adjuster

manipulator

operator

[#]

A fundamental type such as int or double is a _____

programmer-defined type

complex type

nonscalar type

scalar type

[#]

In a simple 'if' statement with no 'else'. What happens if the condition following the 'if is false?

the program searches for the last else in the program

nothing

control 'falls through' to the statement following 'if

the body of the statement is executed

None of the above

[#]

Code that has already been tested is said to be _____

inherited

reusable

reliable

polymorphic

[#]

One way pointers are useful is to refer to a memory address that has no _____

name

constant

location

field

[#]

The while loop is referred to as a(n) _____ loop because the loop condition is tested at the beginning of the loop

beginning

initial

pretest

priming

[#]

A group of related fields that contain all of the data about a specific person, place, or thing is called a

data file

field file

program file

record

[#]

Simple routines that programmers use as place holders while a system is being tested are called _____

stubs

stumps

holders

templates

[#]

Which is true?

Sequential cohesion is slightly weaker than functional cohesion

Sequential cohesion is slightly stronger than functional cohesion

Sequential cohesion is much stronger than functional cohesion

Neither sequential cohesion nor functional cohesion is stronger than the other

[#]

10.

One of the relational operators in the C language is

None of the above

[#]

11.

In C++, class definitions are most often

stored with each program that uses them

stored in a header file that is included in the programs that use them

stored in a folder that you paste into every new project

retyped for every new project

[#]

12.

A function argument is

a variable in the function that receives a value from the calling program

a way that functions resist accepting the calling program's values

a value sent to the function by the calling program

a value returned by the function to the calling program

None of the above

[#]

13.

Which of the following are valid characters for a numeric literal constant?

a decimal point

the letter e

a minus sign

a plus sign

All of the above

[#]

14.

3 is a _____ constant

character literal

named literal

numeric literal

string literal

[#]

15.

Two access specifers in C++ are

public and private

int and double

formal and informal

void and free

[#]

16.

A measure of the strength of the connection between two functions is

cohesion

coupling

dependence

subjection

[#]

17.

Hiding individual components of an entry is _____

polymorphism

encapsulation

scaling

not recommended in C++

[#]

18.

Which of the following statements opens a file named temp.dat for output?

outFile.open("temp .dat");

fileOut.output("temp .dat");

openFile.out("temp .dat");

fileOpen.out("temp .dat");

out.fileOpen("temp .dat");

[#]

19.

The delete operator returns ______ to the operating system

memory that is no longer needed

void

recycle bin

None of the above

[#]

20.

The standard output stream, which refers to the computer screen, is called

cin

cout

stin

stout

None of the above

[#]

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Online Computer Science Test - Object Oriented Programming Test 2

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