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Crossword Puzzle Answers:
Open Ended Questions:
1.Describe system software. What are the four types of system programs?
System software works with end urs, application software, and computer hardware to handle
the majority of technical details. System software is not a single program. Rather it is a collection or a system of programs that handle hundreds of technical details with little or no ur
材质报告intervention. System software consists of four types of programs:
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• Operating systems coordina te computer resources, provide an interface between urs and the computer, and run applications.
• Utilities, also known as rvice programs, perform specific tasks related to managing computer
resources.
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• Device drivers are specialized programs that all ow particular input or output devices to
communicate with the rest of the computer system.
• Language translators convert the programming instructions written by programmers into a language that computers understand and process.
2.What are the basic functions of every operating system? What are the three basic operating
system categories?天津新东方学校
Every operating system performs various functions. The functions are:
• Managing resources:The programs coordinate all the computer’s resources including
memory, processing, storage, and devices such as printers and monitors. They also monitor
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system performance, schedule jobs, provide curity, and start up the computer.
• Providing ur interface: Urs interact with application programs and computer hardware through a ur interface.
• Running applications: The programs load and run applications such as word processors and spreadsheets. Most operating systems support multitasking, or the ability to switch between different applications stored in memory.
The three main categories of Operating systems are:
• Embedded operating systems - The entire operating system is stored within or embedded in the device and permanently stored on ROM.
• Network operating systems (NOS) are ud to control and coordinate computers that are networked or linked together.
• Stand-alone operating systems control a single desktop or notebook computer.
3.Explain the differences and similarities betw een Windows, Mac OS, and Linux.
valiantThey all perform the basic functions of an operating system. They manage resources, provide a ur interface, and run applications. They all u a graphical ur interface, and can network small groups of computers.
The differences are as follows:
Windows– has 90 percent of the market operating system market share, more application
programs are developed to run under Windows than any other operating system, designed to run with Intel and Intel-compatible microprocessors. The new version, Vista, has Advanced system curity, a Three-dimensional workspace, and utilizes WinFS, makes it possible to locate files bad on a description of their content.
MAC OS- Designed to run on Apple machines, but with the latest version can also run on Intel microprocessors. It is not as widely ud as Windows, but is one of the most innovative
operating systems. It includes utilities such as Spotlight which is an advanced arch tool that can rapidly locate files, folders, email messages, address, and much more, and Dashboard Widgets w
hich are a collection of specialized programs that will constantly update and display information.
清华mbaLinux– Of the three operating systems, it is the only one that is an open source. It is a version of UNIX. It runs on powerful microcomputers and by rvers on the Web. It encourages others to modify and further develop the code.
4.Discuss utilities. What are the five most esntial utilities? What is a utility suite?
Utilities are specialized programs designed to make computing easier. The most esntial are • Troubleshooting or diagnostic programs that recognize and correct problems, ideally before they become rious.
• Antivirus programs that guard your computer system against virus or other damaging
programs that can invade your computer system.
