1. In 1981, only 213 computers were connected to the Internet. [When?]
2. The new software will be installed on 850 desktop computers. [How many?]
3. Arithmetic operations are performed in the arithmetic-logic unit. [What unit?]
4. The Microsoft Corporation was founded by Bill Gates and Paul Allen in 1975. [Whom?]
5. A fax machine is used for sending and receiving copies of original documents via a phone line. [What?]
6. Access to this information is denied to journalists. [Whom?]
7. The movie will be released on video in June. [When?]
8. The compact discs were co-invented by Philips Electronics N.V. and Sony Corporation for audio recordings in 1980. [What…for?]