KUNCI JAWABAN USING INFORMATION TECHNOLOGY CHAPTER / BAB 1

Learning 1          MEMORIZATION

Self-Test Questions

1.      The World Wide Web refesrs to the part of the internet that presents information in multimedia form.

2.      The two main types of microcomputers are the Desktop PCs, which sits in the desktop, and the Tower PCs, which usually is placed on floor.

3.      “Information technology” merges computing with high speed communications.

4.      A(n) Computer is an electronic machine that accepts data and  processes it into information.

5.      The Internet is worldwide network that connects hundreds of thousands of smaller network.

6.      Multimedia refers to information presented in nontextual forms such as video, sound, and graphics.

7.      Supercomputers are high-capacity machines whit thousands or prossesors.

8.      Embedded computers, or Microcontrollers, ae installed in “smart” appliances and automobiles.

9.      The kind if software that enables users to perform specific tasks is called Application software.

10.  RAM is an example of Primary storage, and a hard drive is an example of Secondary storage.

11.  A(n) Network is a communications system connecting two or more computers.

12.  The four basic operations of all computers are Input, Processing, Storage, and Output.

13.  The first programmable computers in the USA, which appeared in 1946, was called the ENIAC (Electronic Numerical Integrator and Calculator).

14.  The Monitor is the display device that takes the electrical signals from the video card and forms an image using points of colored light on the screen.

15.  The base material for computer processing devices is Silicon, a natural element found in sand.

16.  The general term for all the machinery and equipment in a computer system is Hardware.

17.  Keyboard and Mouse are the two most common input devices.

18.  The processor chip, commonly called the Processor or a CPU, is a tiny pieces of silicon that contains millions of miniature electronic circuits.

19.  One gigabyte is approximately 1 billion characters.

Multiple-Choice Questions

1.      B. Monitor

2.      C. Microcontroller

3.      C. Floppy-Disk drive

4.      B. Miniaturization

D. Affordability

E. Increase speed

5.      E. Processing

6.      F. Only a, b, and c

7.      B. Email

8.      C. Motherboard (system board)

9.      C. One trillion characters

10. B. An output device

True / False Questions

1.      True

2.      False

3.      True

4.      True

5.      False

6.      True

7.      True

8.      False

9.      False

10.  False

11.  False

12.  True

13.  False

Learning 2          COMPREHENSION

Short-Answer Questions

1.      What does online mean?

Online means using a computer or some other information device, connected through a network, to access information and services from another computer or information device.

2.      What is the difference between system software and application software?

System software is software that helps the computer to perform essential operatioal task, application software is a software developed to solve a particular problem, perform useful work on general-purpose tasks, or provide entertaiment.

3.      Briefly define cyberspace.

Cyberspace is a term used to refer to not only the only the online world and internet in paticular but also the whole wired and wireless world of communications in general.

4.      What is the difference between software and hardware?

Hardware is all machinery and equipment in a computer system. Software is a program that instruct hardware to perform a task.

5.      What is a local area network?

A local are network (LAN) connects, usually by special cable, a group of desktop PCs and other devices, such as printers, in a office or a building.

6.      What is multimedia?

Technology that presents information more than one medium, such as text, still images, moving images, and sound.

7.      What is the difference between microcomputers and supercomputers?

The size, processing speed, price of supercomputers are totally different with microcomputer is a personal computer with various purpose.

8.      What is the fuction of RAM?

RAM-temporary storage that hold data before processing and information after processing.

9.      What does downloading mean?

Downloading means transferring data from a remote computer to one’s own computer.

10.  What is meant by connectivity?

Ability to connect to computers to one another by communications lines to provide online information access and sharing the peripheral devices.

11.  Describe some ways that information technology can be used to help people find jobs and to help jobs find people.

Post resume online, online job search.

12.  Compare the use of email to the use of the telephone and of conventional letters sent via the postal system. Which kinds of communications are best suited for which medium?

Email is included into the type of multimedia communication, the phone is included into the type of communication nirmassa (single target), and conventional mail through the post included into the type of visual communication.

13.  What is the basic meaning of cloud computing?

Concepts of storing your software or data not on your own PC but on the servers on internet.