(A) braces
(B) parentheses
(C) statement
(D) variable name
The answer is: (B) parentheses
Category: Computer Science MCQs FPSC NTS PPSC Computer Past Papers Test Questions
Computer MCQs quiz test questions with answers for FPSC CSS PPSC SPSC KPPSC test preparation, including questions from computer science past papers.
Consider the main body of a C++ program. If the program is run, what will be the output?
string a = “4”;
string b = “8”;
string c = a + b;
cout << c << endl;
If the program is run, what will be displayed on the screen?
(A) 4
(B) 8
(C) 12
(D) 48
The answer is: (D) 48
The file type #include is called
(A) syntax
(B) operator
(C) header file
(D) string constant
The answer is: (C) header file
What will be the output of the following C++ program?
string var1 = “Computer “;
string var2 = “Science”;
string var3 = var1 + var2;
cout << “var3” << endl;
(A) var3
(B) Computer
(C) Science
(D) Computer Science
The answer is: (A) var3
Consider the main body of a C++ program. If the program is run, what will be displayed on the screen?
string var1 = “Computer “;
string var2 = “Science”;
string var3 = var1 + var2;
cout << var3 << endl;
If the program is run, what will be displayed on the screen?
(A) var3
(B) Computer
(C) Science
(D) Computer Science
The answer is: (D) Computer Science
Which number system is used by computers?
(A) digital
(B) decimal
(C) analogue
(D) binary
The answer is: (D) binary
Which device can connect different networks?
(A) Router
(B) Bridge
(C) Gateway
(D) Node
The answer is: (A) Router
Which device only connect segments of the same network?
(A) Router
(B) Bridge
(C) Gateway
(D) Node
The answer is: (B) Bridge
A collection of rules for writing programs in a programming language is known as
(A) Syntax
(B) Program logic
(C) Program Standards
(D) None Of These
The answer is: (A) Syntax
In cryptography, encryption is mainly used to
(A) transfer data
(B) protect data
(C) store data
(D) edit data
The answer is: (B) protect data
Encryption is the process of protecting data (text, voice, video) by using mathematical models to scramble it so that only the authorized parties can access it.