Question

Q-4. Answer the following in one word or a sentence.
[1 x 5 = 5]
1) Who introduced the concept of zero (0)?
2) Who released the first PC virus?
3) Which virus is named after the wooden horse used by the Greek Army to conquer the city of Troy?
4) Who is the founder of Twitter?
5) Name the icon that indicates the mail with an attachment?​

Answer 1

Explanation:

1) Aryabhatta

2) Amjad Farooq

3) Trojan

4) Twitter was created by Jack Dorsey, Noah Glass, Biz Stone, and Evan Williams in March 2006 and launched in July of that year.

5) paper clip icon

Answer 2

Explanation:

1. Aryabhatta introduced the concept of zero.

2. Basit and Amzad Farooq Alvi released the first PC virus.

3. Trohans virus is named after the wooden horse used by the Greek Army to conquer the city of

Troy.

4. Jack Dorsey , Evan Williams , Noah Glass , Biz

stone are the founder of Twitter .

5. Paper clip is the icon that indicates the mail with an aattachment .

I think these are answers.