(A) Macintosh
(B) Windows 2000
(C) Windows NT
(D) Linux
The answer is: (D) Linux
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Email is an information transmitting method and an example of
(A) Circuit switching
(B) Datagram switching
(C) Frame switching
(D) None of these
The answer is: (B) Datagram switching
The communication protocol FTP stands for
(A) File Transfer Possibility
(B) File Transfer Protection
(C) File Transfer Protocol
(D) File Transfer Position
The answer is: (C) File Transfer Protocol
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.
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
Which device only connect segments of the same network?
(A) Router
(B) Bridge
(C) Gateway
(D) Node
The answer is: (B) Bridge
Which device can connect different networks?
(A) Router
(B) Bridge
(C) Gateway
(D) Node
The answer is: (A) Router
Which number system is used by computers?
(A) digital
(B) decimal
(C) analogue
(D) binary
The answer is: (D) binary
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
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