PPSC Lecturer of Computer science

Lecturer Computer Science Test 17 Online Preparation MCQs

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There will be 25 multiple choice question in the test.
Answer of the questions will change randomly each time you start this test.
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Test Instructions:-
Test Name	Lecturer Computer Science
Subject	Computer Science Test 17
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 17

1 / 25

A string of eight 0s and 1s is called a:

kilobyte

gigabyte

megabyte

byte

2 / 25

Technology no longer protected by copyright, available to everyone, is considered to be:

open

experimental

in the public domain

proprietary

3 / 25

The 0 and 1 in the binary numbering system are called binary digits or:

kilobytes

bytes

bits

decimal bytes

4 / 25

Computers process data into information by working exclusively with:

multimedia

words

numbers

characters

5 / 25

After a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered:

input

data

output

the process

6 / 25

A default catch block catches:

any thrown object that has not been caught by an earlier catch block

no thrown objects

all thrown objects that have been caught by an earlier catch block

all thrown objects

7 / 25

..................... is the study of molecules and structures whose size ranges from 1 to 100 nanometers:

Microelectrodes

Nanoscience

Computer forensics

Artificial intelligence

8 / 25

The name for the way that computers manipulate data into information is called:

processing

programming

organizing

storing

9 / 25

In the binary language each letter of the alphabet, each number and each special character is made up of a unique combination of:

eight kilobytes

eight characters

eight bytes

eight bits

10 / 25

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

manipulator

adjuster

member

operator

11 / 25

Who is credited with the creation of WWW:

To repeat the last action

Tim Berners-Lee

The function of key F4 is

12 / 25

If you design a class that needs special initialization tasks, you will want to design a(n):

constructor

compiler

housekeeping routine

initializer

13 / 25

A monitor’s ........................ is the distance between the holes in the mask behind the screen. This helps determine how sharp the dots appear:

colour depth

resolution

refresh rate

dot pitch

14 / 25

The use of the break statement in a switch statement is:

not allowed. It gives an error message

to check an error

compulsory

None of the above

optional

15 / 25

Computers gather data, which means that they allow users to ................................. data:

present

input

output

store

16 / 25

Computers use the .................................language to process data:

kilobyte

binary

representational

processing

17 / 25

Surgeons can perform delicate operations by manipulating devices through computers instead of manually. This technology is known as:

forecasting

simulation

robotics

computer forensics.

18 / 25

Which of the following is NOT one of the four major data processing functions of a computer?

gathering data

processing data into information

storing the data or information

analyzing the data or information

19 / 25

A C++ program contains a function with the header int function(double d, char c). Which of the following function headers could be used within the same program?

both (a) and (b)

char function(double d, char c)

neither (a) nor (b)

int function(int d, char c)

20 / 25

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

a dollar sign ($)

None of the above

a comma

a percent sign (%)

a space

21 / 25

To expose a data member to the program, you must declare the data member in the ..................section of the class:

exposed

unrestricted

user

public

common

22 / 25

When the compiler cannot differentiate between two overloaded constructors, they are called:

ambiguous

overloaded

Destructed

Dubious

23 / 25

The term bit is short for:

binary number

binary digit.

binary language

megabyte

24 / 25

..................................is data that has been organized or presented in a meaningful fashion:

Software

A process

Information

Storage

25 / 25

Format flags may be combined using:

the bitwise AND operator (&)

the logical OR operator (||)

the logical AND operator (&&)

the bitwise OR operator (|)

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