NTS Basic Computer Knowledge

Question 1

Which device is used to convert digital signals to analog signals for transmission over telephone lines?

Accepted Answer

Modem

Answer

A modem (modulator-demodulator) converts digital signals to analog and vice versa.

Question 2

What is the full form of URL?

Accepted Answer

Uniform Resource Locator

Answer

URL stands for Uniform Resource Locator, used to specify addresses on the internet.

Question 3

Which of the following is an input device?

Accepted Answer

Scanner

Answer

A scanner is an input device that converts physical documents into digital format for the computer.

Question 4

What does 'HTTP' stand for?

Accepted Answer

Hyper Text Transfer Protocol

Answer

HTTP stands for Hyper Text Transfer Protocol, the foundation of data communication on the web.

Question 5

Which key combination is used to paste copied text in Windows?

Accepted Answer

Ctrl + V

Answer

Ctrl + V is the keyboard shortcut for pasting in Windows applications.

NTS - National Testing Service Practice Test