CPS2236 Answers to Quiz-1 1. Correct answer: A. Mac OS X, because it only runs on Apple computers. B is incorrect because Windows Vista is designed for PCs. C is incorrect because Windows NT is designed for PCs. D is incorrect because Red Hat Linux comes in a version for PCs. E is incorrect because Windows XP is designed for PCs. 2. Correct answer: B. Integrated circuit (IC) is a small electronic component made up of transistors and other miniaturized parts. A is incorrect because a peripheral is a device connected to a computer. C is incorrect because a handheld is a type of microcomputer. D is incorrect because a mouse is a peripheral device. E is incorrect because a vacuum tube is a component that the integrated circuit replaced. 3. Correct answer: E. Lotus 1-2-3, an electronic spreadsheet, was the “killer app” application program that made the IBM PC a must-have business tool. A is incorrect because Microsoft Word was a word processor that evolved with the PC, but did not have the “killer app” effect of Lotus 1-2-3. B is incorrect because, although VisiCalc was a very important application for users of the personal computers that predated the IBM PC, and was the obvious model for Lotus 1-2-3, it did not play the role that Lotus 1-2-3 did. C is incorrect because BASIC is a programming language, and although the IBM PC included a BASIC interpreter in ROM, it was not a compelling must-have business tool. D is incorrect because PC-DOS is an OS and not an application, and it alone could not play the role that Lotus 1-2-3 did. 4. Correct answer: E. Windows Server 2008. A is incorrect because MS-DOS is a desktop operating system. B is incorrect because Mac OS X is a desktop operating system (available in both desktop and server versions). C is incorrect because Windows 7 is a desktop operating system. D is incorrect because Linux is a desktop operating system (available in both desktop and server versions). 5. Correct answer: C. A keyboard is a computer input device. A is incorrect because a display is an output device. B is incorrect because a printer is an output device. D is incorrect because RAM is a form of computer memory used for temporary storage. E is incorrect because ROM is a nonvolatile form of computer memory used to store programs. 6. Correct answer: B. A file and print server is a networked computer that allows end users to save and access files stored on it. A is incorrect because the purpose of a desktop computer on a network is usually to allow users to access network servers. C is incorrect because a hand-held computer does not play the role described in the question. D is incorrect because a laptop does not usually play the role described in the question. E is incorrect because a PC does not usually play the role described in the question. 7. Correct answer: D. Speed and the ability to support real-time application programs. A is incorrect because a GUI and the ability to run great games is not a characteristic of realtime operating systems. B is incorrect because, although many real-time OSs are single-tasking, this is not necessarily a characteristic of real-time operating systems. C is incorrect because large and fast are not characteristics of real-time operating systems. E is incorrect because running on a terminal server is not a characteristic of real-time operating systems. 8. Correct answer: B. Mac OS X is built on NextStep, an OS based on the UNIX kernel. A is incorrect because while Linux is UNIX-like, it is not the basis for Mac OS X.). C is incorrect because DOS is a very old single-tasking OS that is not the basis for Mac OS X. D is incorrect because Windows is not the OS on which Mac OS X is built. E is incorrect because BASIC is a very simple programming language and not an operating system. 9. Correct answer: D. A government agency was a typical end-user in the 1950s. A is incorrect because there were no computer gamers in the 1950s. B is incorrect because a medical doctor would not have been an end user in the early 1950s. C is incorrect because a politician would not have been an end user in the early 1950s. E is incorrect because a secretary would not have been an end user in the early 1950s. 10. Correct answer: E. An operating system is to a computer as a manager is to a department. A is incorrect because “salesman” does not describe the role of an operating system in a department. B is incorrect because “spreadsheet” does not describe the role of an operating system. It describes a type of application. C is incorrect because “steering wheel” does not describe the role of an operating system. D is incorrect because “ignition” does not describe the role of an operating system.