Computer Science Quiz

Which of the following is a compiled language?

• C++

• Python

• JavaScript

• PHP

In C++, what is the output of: int x=1; ++x; cout<<"Result is:", x * 5 + 2;

• 12

• 7

• Result is: 12

• Result is: x

Which of the following is NOT a valid variable name in C++?

• _var

• Var123

• 123Var

• var_name

What is the primary key used for in a database?

• Uniquely identifying a record

• Storing multiple values

• Creating a foreign key

• Sorting data

Which SQL clause is used to filter records?

• WHERE

• HAVING

• GROUP BY

• ORDER BY

Which of the following is NOT an operating system?

• Windows

• iOS

• Oracle

• Android

What is the main function of an operating system?

• Manage hardware and software resources

• Compile programs

• Run user applications

• Connect to the internet

Which device connects multiple networks?

• Switch

• Router

• Hub

• Modem

What is phishing?

• A social engineering attack to steal sensitive data

• A firewall technique

• A type of antivirus

• A network protocol

Which of the following is NOT AI

• Ginger Writer

• Neura Edge

• ChatGPT

• OpenAI