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Chapter 3: Problem 7

On the basis of a computer system with which you are familiar, identify two units of application software and two units of utility software. Then explain why you classified them as you did.

Short Answer

Expert verified
Application software: Microsoft Word, Excel; Utility software: Norton Antivirus, Disk Cleanup.

Step by step solution

01

Define Units of Application Software

Application software refers to programs designed to help users perform specific tasks. Examples include word processors like Microsoft Word or spreadsheet software like Microsoft Excel.
02

Define Microsoft Word as Application Software

Microsoft Word is an application software because it allows users to create, edit, and format text documents, which is a specific task.
03

Define Microsoft Excel as Application Software

Microsoft Excel is another example of application software because it enables users to perform tasks related to creating spreadsheets, performing calculations, and displaying data in charts.
04

Define Units of Utility Software

Utility software consists of programs that manage, maintain, or control computer resources. Examples include antivirus programs and disk cleanup tools.
05

Define Norton Antivirus as Utility Software

Norton Antivirus is utility software because it helps protect your computer from viruses and malware, ensuring the system's security and functionality.
06

Define Disk Cleanup as Utility Software

Disk Cleanup is utility software as it assists in freeing up space on a computer鈥檚 hard drive by removing unnecessary files, helping maintain system efficiency.

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Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Application Software
Application software comprises the programs that help users conduct specific tasks on a computer. Essentially, these applications are developed to solve particular problems or perform certain activities.
  • Examples include word processors, spreadsheets, and graphic design tools.
  • They are user-centered, meaning they cater directly to the needs of individual users as opposed to the system itself.
By facilitating activities like document creation, data analysis, and media editing, application software essentially extends the functionality of a computer beyond just being a system with a basic operating system.
Utility Software
Utility software is designed to manage, maintain, and control computer resources. Unlike application software, utilities focus on optimizing and ensuring the efficient operation of a system.
  • Common examples are disk cleanup applications, anti-virus programs, and file management tools.
  • They serve crucial roles in maintaining overall system health by conducting tasks such as data safety, resource allocation, and system diagnostics.
For instance, by regularly running utility software like disk defragmenters or file compression tools, users can keep their systems running smoothly, improving speed and performance.
Microsoft Word
Microsoft Word is a staple example of application software tailored for word processing tasks. This software empowers users to create, edit, and format text documents with ease.
  • Features include spell-check, paragraph structuring, and the ability to insert images and charts.
  • It supports a wide array of file formats, making it versatile for different documentation needs.
Whether writing an academic essay, preparing a business report, or drafting a simple letter, Word offers a suite of tools designed to enhance writing productivity and professionalism.
Norton Antivirus
Norton Antivirus is a form of utility software created to safeguard computers from malicious software threats.
  • It continuously scans your computer for viruses and spyware, protecting data and ensuring system integrity.
  • With regular updates, Norton Antivirus defends against the latest threats, keeping systems secure and functional.
Given the constant evolution of malware, having reliable utility software like Norton Antivirus means users can interact online with reduced risk, ensuring that their systems perform optimally without compromising on security.

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Most popular questions from this chapter

Identify three ways in which a process could challenge the security of a computer system if not prevented from doing so by the operating system.

Identify a situation in a multiprogramming system in which a process does not consume the entire time slice allocated to it.

a. What is the role of the user interface of an operating system? b. What is the role of the kernel of an operating system?

Suppose three items, R, S, and T, are placed in a queue in that order. Then one item is removed from the queue before a fourth item, \(\mathrm{X}\), is placed in the queue. Then one item is removed from the queue, the items \(\mathrm{Y}\) and \(\mathrm{Z}\) are placed in the queue, and then the queue is emptied by removing one item at a time. List all the items in the order in which they were removed.

A process that is waiting for a time slice is said to suffer starvation if it is never given a time slice. a. The pavement in the middle of an intersection can be considered as a nonshareable resource for which cars approaching the intersection compete. A traffic light rather than an operating system is used to control the allocation of the resource. If the light is able to sense the amount of traffic arriving from each direction and is programmed to give the green light to the heavier traffic, the lighter traffic might suffer from starvation. How is starvation avoided? b. In what sense can a process starve if the dispatcher always assigns time slices according to a priority system in which the priority of each process remains fixed? (Hint: What is the priority of the process that just completed its time slice in comparison to the processes that are waiting, and consequently, which routine gets the next time slice?) How, would you guess, do many operating systems avoid this problem?
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