Technology MCQs

✅ The correct answer is option D.

✅ The correct answer is option D.

✅ The correct answer is option C.
Amplitude modulation was the first type to be used in radio. It works well with HF and morse code.

✅ The correct answer is option D.
You need a browser, online access and a computer to surf the Web, but if you’re on a local area network (LAN) that’s connected to the Internet, you don’t need a modem to go online.

✅ The correct answer is option C.
URL stands for Uniform Resource Locator. It is an address for a specific document found on the Web.

✅ The correct answer is option B.
The flyback is usually connected to the system that pulls the electron beam across the screen in one direction to ‘paint’ a line of the image and then returns in the other direction much faster.

✅ The correct answer is option A.
Phil Zimmermann created the first version of PGP encryption in 1991. Pretty Good Privacy (PGP) is a data encryption and decryption computer program that provides cryptographic privacy and authentication for data communication. PGP is often used for signing, encrypting and decrypting texts, E-mails, files, directories and whole disk partitions to increase the security of e-mail communications.

✅ The correct answer is option B.

✅ The correct answer is option C.

✅ The correct answer is option B.
On May 24, 1844, Samuel Morse send his famous message, “What hath God wrought?”