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Homework answers / question archive / Chapter 5: System Software: Operating Systems and Utility Programs   TRUE/FALSE        1

Chapter 5: System Software: Operating Systems and Utility Programs   TRUE/FALSE        1

Computer Science

Chapter 5: System Software: Operating Systems and Utility Programs

 

TRUE/FALSE

 

     1.   When you issue the command for your computer to store a document on your hard drive, the application software must make sure that such a drive exists.

 

 

     2.   In practice, the difference between system and application software is not always clear cut.

 

 

     3.   Most operating systems today use a text-based user interface.

 

 

     4.   You press Ctrl+Alt+Insert to bring up the screen shown in the accompanying figure.

 

 

     5.   As you work on your computer, the operating system is in charge of managing system resources and making them available to devices and programs when they are needed.

 

 

     6.   Filename rules are the same in all operating systems.

 

     7.   File extensions should not be changed by the user because the operating system uses them to identify the program that should be used to open the file.

 

 

     8.   Using virtual memory is faster than just using RAM.

 

 

     9.   There are two primary forms of DOS: PC-DOS and MS-DOS.

 

   10.   There is still a large installed base of Windows XP users and Microsoft plans to support Windows XP until 2014.

 

 

   11.   Windows 98 was built from the ground up using a different kernel than the other versions of Windows.

 

 

   12.   Although Linux originally used a command line interface, most recent versions of Linux programs use a graphical user interface.

 

 

   13.   Large computer systems—such as high-end servers, mainframes, and supercomputers— sometimes use operating systems designed solely for that type of system.

 

 

   14.   Linux is increasingly being used with both mainframes and supercomputers.

 

 

   15.   There are many stand-alone utility programs available as an alternative to the operating system’s utility programs.

 

 

   16.   Stand-alone utility programs are often available in a suite of related programs.

 

 

   17.   Once a file management program is open, you can look at the folders and files stored on your PC.

 

 

   18.   Files and folders deleted from removable media cannot be restored by any method.

 

 

   19.   File compression programs reduce the size of files so they take up less storage space on a storage medium or can be transmitted faster over the Internet.

 

 

   20.   Using the Save As option of the File menu before editing a document is a good idea, so you can return to the original version, if needed.

 

 

MODIFIED TRUE/FALSE

 

     1.   Application software runs in the background at all times, making it possible for you to use your computer. _________________________

 

 

     2.   In general, the operating system serves as an intermediary between the user and the computer. _________________________

 

 

     3.   Most application systems today include the drivers needed for the most commonly used peripheral devices. _________________________

 

 

     4.   If a device driver file is deleted, becomes corrupted, or has a conflict with another piece of software, then the device will no longer work. _________________________

 

 

     5.   Folders can contain both files and other folders (called subfolders). _________________________

 

 

     6.   Memory leaping can cause your computer to run out of memory temporarily. _________________________

 

 

     7.   The documents waiting to be printed are said to be in a(n) print queue, which designates the order the documents will be printed. _________________________

 

     8.   The older DOS operating system and some versions of the UNIX and Linux operating systems use a(n) graphical user interface. _________________________

 

     9.   Most operating systems today are designed for either 16-bit or 32-bit CPUs. _________________________

 

   10.   There have been many different versions of the Microsoft Windows operating system over the last several years. _________________________

 

   11.   In 1994, Microsoft announced that all versions of Windows after 3.11 would be full-fledged operating systems instead of just application programs. _________________________

 

   12.   With Windows Explorer, use the Views button to change how the items in the right pane are displayed. _________________________

 

   13.   Cleanup programs evaluate your system, looking for problems and making recommendations for fixing any errors that are discovered. _________________________

 

   14.   Disk management programs diagnose and repair problems related to your hard drive. _________________________

 

   15.   Uninstall utilities are designed to delete temporary files (such as deleted files still in the Recycle Bin, temporary Internet files, installation files, and so forth) in order to free up disk space. _________________________

 

 

MULTIPLE CHOICE

 

     1.   System software is usually divided into two categories: operating system software and ____ programs.

a.

planning system

c.

FAT system

b.

utility

d.

background

 

 

 

     2.   ____ software consists of the operating system and utility programs that control a computer system and allow you to use your computer.

a.

Background

c.

Application

b.

Front-end

d.

System

 

 

 

     3.   ____ includes all the programs that allow a user to perform specific tasks on a computer, such as writing a letter.

a.

System software

c.

Application software

b.

Utility programs

d.

Background programs

 

 

 

     4.   The ____ boots the computer, launches application software programs, and ensures that all actions requested by a user are valid and processed in an orderly fashion.

a.

startup

c.

driver

b.

operating system

d.

registry

 

 

 

     5.   A computer’s ____ is a collection of programs that manage and coordinate the activities taking place within a computer system.

a.

database system

c.

application system

b.

storage system

d.

operating system

 

 

 

     6.   The means by which an operating system or any other program interacts with the user is called the ____.

a.

user login

c.

program front-end

b.

programming interface

d.

user interface

 

 

 

     7.   Small programs called ____ are used to communicate with peripheral devices, such as monitors, printers, and scanners.

a.

interfaces

c.

drivers

b.

utilities

d.

managers

 

 

 

     8.   An important task that the operating system performs is ____, which keeps track of the files stored on a computer so that they can be retrieved when needed.

a.

disk management

c.

file listing

b.

file management

d.

file recovery

 

 

 

     9.   Filenames typically include a ____ at the end of the filename.

a.

file extension

c.

file subname

b.

file subscript

d.

file attachment

 

 

 

   10.   Most operating systems have security features available, such as an integrated ____ to protect against unauthorized access via the Internet.

a.

router

c.

hub

b.

firewall

d.

modem

 

 

 

   11.   Most operating systems have security features available, such as an option to automatically download and install ____ from the operating system’s manufacturer on a regular basis.

a.

security walls

c.

security patches

b.

device patches

d.

device drivers

 

 

 

   12.   ____ refers to the ability of an operating system to work with more than one program at one time.

a.

Multidimensional

c.

Polyprogramming

b.

Multiprogramming

d.

Multitasking

 

 

 

   13.   All programs and data located in RAM are divided into fixed-length ____ or variable-length segments, depending on the operating system being used.

a.

pies

c.

pages

b.

sectors

d.

cylinders

 

 

 

   14.   ____ memory allows you to use more memory than is physically available on your computer.

a.

Shared

c.

Multithreading

b.

Virtual

d.

Buffer

 

 

 

   15.   A ____ is an area in RAM or on the hard drive designated to hold input and output on their way in or out of the system.

a.

segment

c.

page

b.

buffer

d.

sector

 

 

 

 

   16.   With a ____, as shown in the accompanying figure, icons, buttons, menus, and other objects are selected with the mouse to issue commands to the PC.

a.

graphical user interface

c.

desktop

b.

command line interface

d.

command-driven interface

 

 

 

   17.   During the 1980s and early 1990s, ____ was the dominant operating system for microcomputers.

a.

Mac OS

c.

Linux

b.

DOS (Disk Operating System)

d.

desktop operating system

 

 

   18.   In DOS, the command ____ displays the files and folders in the current location.

a.

CD

c.

DIR

b.

FORMAT

d.

COPY

 

 

   19.   One of the most obvious initial changes in Windows Vista is the ____ interface.

a.

Leopard

c.

Aero

b.

Android

d.

Symbian

 

 

 

   20.   The most recent version of Windows is Windows ____.

a.

Leopard

c.

7

b.

XP

d.

Vista

 

 

   21.   ____ is the proprietary operating system for computers made by Apple Corporation.

a.

Linux

c.

Mac OS

b.

Solaris

d.

Unix

 

 

 

   22.   ____ was originally developed in the late 1960s at AT&T Bell Laboratories as an operating system for midrange servers.

a.

Linux

c.

Solaris

b.

UNIX

d.

Mac OS X

 

 

 

   23.   In addition to personal operating systems and server operating systems, there are also mobile operating systems and ____.

a.

embedded operating systems

c.

virtual operating systems

b.

high-performance operating systems

d.

storage operating systems

 

   24.   Commercial Linux distributions, such as those available from ____ and Novell, come with maintenance and support materials.

a.

Red Hat

c.

Cisco

b.

.NET Framework

d.

Adobe

 

 

 

   25.   ____ is a family of operating systems based on Windows that is designed primarily for consumer and industrial devices that are not personal computers.

a.

Windows Vista

c.

Windows Server 2003

b.

Windows Embedded

d.

Windows Mobile

 

 

 

   26.   ____ is a Linux-based operating system developed by the Open Handset Alliance.

a.

Android

c.

Mac OS X

b.

UNIX

d.

Vista

 

 

   27.   ____ is the version of Windows designed for mobile phones.

a.

Windows Embedded

c.

Windows Mobile

b.

Windows Vista

d.

Windows Server 2003

 

 

 

   28.   ____ is the most widely used mobile operating system worldwide.

a.

Mac OS

c.

Windows Mobile

b.

Palm OS

d.

Symbian OS

 

 

 

   29.   The file management program incorporated into Windows is ____.

a.

StuffIt

c.

Windows Explorer

b.

WinZip

d.

Disk Cleanup

 

 

 

   30.   To restore a file or folder deleted from your computer’s hard drive, open your computer’s ____ and restore the file to its original location.

a.

Recycle Bin

c.

System Restore program

b.

Windows Explorer

d.

Recycle Menu

 

 

 

   31.   ____ are utility programs that search for documents and other files on a user’s hard drives.

a.

Search tools

c.

Search engines

b.

Tool boxes

d.

Tool programs

 

 

 

   32.   Rearranging the data on the hard drive so all files are stored in contiguous locations is called ____.

a.

disk defragmentation

c.

disk backup

b.

file compression

d.

disk cleanup

 

 

 

   33.   Creating a(n) ____ means making a duplicate copy of important files so that when a problem occurs, you can restore those files using the backup copy.

a.

mirror

c.

index

b.

backup

d.

hidden file

 

 

 

   34.   ____ can protect against someone accessing your PC via the Internet.

a.

Mirrors

c.

Firewalls

b.

Antispam software

d.

Modems

 

 

 

   35.   A ____ is a software program that is designed to cause damage to the computer system or perform some other malicious act.

a.

firewall

c.

spyware

b.

utility program

d.

computer virus

 

 

 

Case-Based Critical Thinking Questions

 

Case 5-1

Janet is studying operating systems as part of her Understanding Computers 101 class. After learning about the different types of operating systems, she realizes that she uses a number of them in her daily life.

 

   36.   All the computers in Janet’s school computer lab have the newest version of Windows installed, which is ____.

a.

Windows Vista

c.

Windows XP

b.

Windows Solaris

d.

Windows 7

 

 

 

   37.   Janet has an Apple computer at home. The operating system of that computer is ____.

a.

Windows Vista

c.

Windows Embedded

b.

Solaris

d.

Mac OS

 

 

 

Case-Based Critical Thinking Questions

 

Case 5-2

Dean has been using computers for some time now, but he is unfamiliar with a number of utility programs. In order to better maintain his computer, he decides to ask his coworker Andrea for advice on basic utility programs.

 

   38.   Andrea tells Dean that he should periodically perform ____ on his computer to optimize the hard drive so that it works more efficiently. This process works by rearranging the data on the hard drive so all files are stored in contiguous locations.

a.

disk defragmentation

c.

disk cleanup

b.

file compression

d.

backup

 

 

   39.   Andrea advises Dean to remove unnecessary programs from his computer by using a(n) ____ utility.

a.

delete

c.

remove

b.

uninstall

d.

cleanup

 

 

 

   40.   Another thing that Andrea tells Dean is that it is very important for him to ____ all of his important data on a regular basis to protect against data loss in the case of a problem with the computer. He can use a(n) ____ utility to do this.

a.

cleanup

c.

compress

b.

defragment

d.

backup

 

 

COMPLETION

 

     1.   One of the principal roles of every ____________________ is to translate user instructions into a form the computer can understand.

 

 

     2.   During the boot process, the essential portion, or core, of the operating system (called the ____________________) is loaded into memory.

 

 

     3.   In Windows, certain system configuration information is stored in the ____________________ files.

 

     4.   ____________________ routines in the operating system determine the order in which jobs are carried out, as well as which commands get executed first if the user is working with more than one program at one time or if the computer supports multiple users.

 

     5.   Device drivers usually need to be updated or reinstalled after you ____________________ your operating system to a newer version or after you buy a new computer.

 

 

     6.   One memory management technique frequently used by operating systems is ____________________, which uses a portion of the computer’s hard drive as additional RAM.

 

     7.   The process of placing items in a buffer so they can be retrieved by the appropriate device when needed is called ____________________.

 

 

     8.   DOS traditionally used a command line interface, although newer versions of DOS support a(n) ____________________ interface.

 

 

     9.   As shown in the accompanying figure, Windows users can still issue ____________________ commands via the Command Prompt.

 

 

   10.   To make it easier to use and manage all of your connected devices, Windows 7 includes a new ____________________.

 

   11.   ____________________ is based on the UNIX operating system and originally set the standard for graphical user interfaces.

 

   12.   ____________________ is an operating system developed by Linus Torvalds in 1991 when he was a student at the University of Helsinki in Finland.

 

 

   13.   In the past few years, ____________________ has grown from an operating system used primarily by computer techies who disliked Microsoft to a widely accepted operating system with strong support from mainstream companies.

 

 

   14.   The mobile operating system designed for Apple mobile phones and mobile devices, such as the iPhone 3G and the iPod Touch, is ____________________.

 

 

   15.   ____________________ is the operating system designed for Palm handheld devices.

 

   16.   A(n) ____________________ is a type of software program that performs a specific task, usually related to managing or maintaining the computer system.

 

 

   17.   With Windows Explorer, click a drive or ____________________ icon in the left pane to display its contents in the right pane.

 

   18.   There are special utility programs available to recover deleted files from ____________________ cards and drives, as long as you have not written anything to the card or drive since the files were deleted.

 

 

   19.   ____________________ programs, such as the one shown in the accompanying figure, can be used with both image and text files, though image files generally compress more efficiently.

 

 

   20.   ____________________ is a software program installed without the user’s knowledge that secretly collects information and sends it to an outside party via the user’s Internet connection.

 

ESSAY

 

     1.   Describe the functionality of an operating system.

 

 

     2.   Explain multitasking with reference to an operating system.

 

 

     3.   Explain multithreading.

 

 

     4.   Compare graphical user interfaces (GUIs) with command line interfaces.

 

     5.   What is the purpose of uninstall utilities?

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