KUNCI JAWABAN USING INFORMATION TECHNOLOGY CHAPTER / BAB 3

Learning 1          MEMORIZATION

Self-Test Questions

1.      System software enables the computer to perform essential operating tasks.

2.      Application software is a term for programs designed to perform specific tasks for the user.

3.      Multitasking is the activity in which a computer works on more than one process at a time.

4.      Fragmentation is scattering of portions of files about the disk in nonadjacent areas, thus greatly slowing access to the file.

5.      Windows and Mac OS are generally used on personal computers.

6.      Booting is the process of loading an operating system into a computer’s main memory.

7.      A(n) defragger is a utility that will find all the scatteres files on your hard disk and reorganize them as contiguous file.

8.      The operating system is the component the mastersystem of programs that manage the basic operations of the computer.

9.      The user interface is the user controllable display screen that allows you to communicate, or interact, with your computer.

10.  Disk scanner and disk cleanup utilities detect and correct certain types of common problems on hard disks, such as removing unnecessary files called temp files that are created by windows only for short tasks and system restore after system problem.

11.  OSs allows users to control access to their computers via use of a username and a password.

12.  Software or hardware that is copyrighted means that it is privately owned and controlled by company.

13.  Linux is open – source software meaning any programmer can download it from the internet for free and modify it with suggested improvements.

14.  When you power up a computer by turning on the power “on” switch, this is called a cold boot. If your computer is already on and you restart it, this is called warm boot.

15.  Word processing software allows you to create and edit document.

16.  Scrolling is the activity of moving upward or downward through the next or other screen display.

17.  Name four editing features offered by word processing rograms : insert & delete, find and replace, cut/copy & paste, spelling checker.

18.  In spreadsheet, the place where a row and a column intersect is called a cell.

19.  The cursor is the moveable symbol on the display screen that shows you where you may next enter data or command.

20.  When you buy software, you pay for a software license, a contract by which you agree not to make copies of the software to give away or sell.

21.  Records in database are sortde according to a key.

22.  Desktop publishing involves mixing text and graphics to produce high quality output for commercial printing

23.  A spreasheets allows users to create tables and do “what-if” financial analyses by enering data and formulas into rows and columns arranged as a grid on a display screen.

24.  Word warp automatically continues text to the next line when you reach the right margin.

25.  Setting that are automatically used by a program unless the user specifies otherwise are called Default-Settings.

26.  Public-Domain software is not protected by copyright and may be copied to anyone.

27.  Device drivers are specialized software programs that allow input and output devices to communicate with the rest of the computer system.

28.  The Portable Document format allows documents to be sent to almost any platform and be opened without losing any of their characteristics (text, colors, graphics, formatting).

 

Multiple-Choice Questions

1.      E. All of these

2.      B. Windows

3.      A. Linux

4.      C. Windows 7

5.      A. Multitasking

6.      D. Device drivers

7.      C. Lack of structure

8.      B. Cell address

9.      B. Graphical user interface

10. C. Public-domain software

True / False Questions

1.     True

2.     False

3.     False

4.     False

5.     False

6.      False

7.      True

8.      False

9.      True

10.  True

11.  False

12.  False

13.  True

14.  True

Learning 2          COMPREHENSION

Short-Answer Questions

1.      Briefly define booting.

Booting is the process of loading an operating system into a computer’s main memory.

2.      What is the defference between a command-driven interface and a graphical user interface (GUI)?

Command driven interface = typing the commmand/ instruction, GUI : Use a mouse or keystrokes to click the command/ instruction.

3.      Why can’t you run your computer without system software?

Because system software is a software that control the computer hardware you are using, without sistem software, the hardware is nothing but a junk.

4.      Why is multitasking useful?

Because multitasking allows the computer to switch rapidly back and forth among different tasks. The user is generally unaware of the switching process and thus can work in more than one application at a time.

5.      What is a device driver?

Device driver are specialized software programs that allow input and output devices to communicate with the rest of the computer system.

6.      What is utility program?

Utility programs also known as services programs, perform tasks that related to the control and allocation of computer resources.

7.      What is a platform?

Platform is the particular processor model and operating system on which a computer system is based.

8.      What are the three components of system software? What is the basic function of each?

o   Operating system

An operating system is the principal component of system software in any computing system.

o   Device drivers

Device drivers help the computer control peripheral devices.

o   Utility programs

Utility programs are generally used to support enhance, or expand existing programs in a computer system.

9.      What is open-source software?

Open source software meaning any programmer can download it from the internet for free and modify it with suggested improvements.

10.  What does defragmenting do?

Find all scattered files on hard disk and reorganize them as contiguous files.

11.  What is an embedded system?

Any electronic system that uses CPU chip but that is not general workstation , desktop , or laptop computer . for example : automobiles , planes , trains , barcode scanners , fuel pumps.

12.  What are the following types of application software used for?

o   Project management software

A program used to plan an schedule people , costs , and resources required to complete a project on time.

o   Desktop-publishing software

A program used to design and produce high quality output which include mixing text andgraphics for commercial printing.

o   Database software

A program that sets up and controls the structure of a database and access to the data.

o   Spreadsheet software

A program that allow users to create tables and financial schedules by entering data andformulas into rows and columns arranged as a grid on a display screen.

o   Word processing software

A program that allow you to use computers to create , edit . format , print , and score text material.

13.  Which program is more sophisticated, analytical graphics or presentation graphics ?Why ?

Presentation graphics , because presentation graphics uses graphics , animation , sound , and data or information to make visual presentation while analytical graphics only convert numeric data into graph to make it easier to analyzed.

14.  How are the following different from another? Pop up menu; pull-down menu; cascading menu.

o   A pop up menu is a list of command options that can “pop up” anywhere on the screen when you click the right  mouse button.

o   Pull-down menu also called drop down menu is a list of options that pulls down from the menu bar at the top of the screen .

o   Cascading menu is a menu that seem to fly back to the right or explode out to the right, wherever there is a space.

o   The difference between them is pop up menu didn’t connected to the menu bar , while pull down menu and cascading menu is connected to the menu bar .choosing one of the options in pulls down menu may produce cascading menu.

15.  What is importing? Exporting ?

o   Importing is defined as getting data from another source and then converting it into a format compatible with the program in which you are currently working.

o   Exporting is defined as transforming data into a format that can be used in another program and then transmitting it.

16.  Briefly compare drawing programs and painting programs.

Drawing program illustrate objects and products by creating vector images (images created from geometrical formulas) while painting image simulate painting on the screen. Painting images produce bit-mapped image , or raster image , made up of little dots.

17.  Explain what computer-aided design(CAD)programs do.

CAD is a programs used for design products , structures , civil engineering drawings , and maps.

18.  Discuss the various software licenses : site licenses, concurrent-use licenses, multiple-user licenses, single-user license.

o   Site license is a license that allow software to be used on all computers at a specific location.

o   Concurrent-use licenses allow a certain number of copies of the software to be used at the same time.

o   Multiple user license specifies the number of people who may use the software.

o   Single user license limits software use to one user at a time.