Case 3-1 All Computers Require Software to Operate and Perform Basic Tasks

question 17

Multiple Choice

Case 3-1
All computers require software to operate and perform basic tasks. System software is the software that controls a computer and allows you to use it. Systems software consists of the operating system and utility programs. Many operating systems have been in use since mainframe computers. Identify the facts on each operating system in the following questions.
Joe is a professor at BuildTree University. During a lecture on computer software, he tells his students that AT&T Bell Laboratories developed an operating system in the late 1960s for midrange servers that could support a variety of devices from different manufacturers. Which of the following operating systems is Joe talking about?

• A)UNIX
• B)DOS
• C)Linux
• D)Mac OS

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Definitions:

Psychoactive Drug

Any substance that alters mood, perception, or thought; called a controlled substance if approved for medical use.

Illicit Drug

Substances whose production, sale, or use is prohibited by law, including drugs that are subject to drug control and prohibition policies.

Narcotic

A drug or other substance affecting mood or behavior and sold for nonmedical purposes, especially an illegal one.

Amphetamines

A class of stimulant drugs that affect the central nervous system, increasing alertness, concentration, and physical energy.