System Software And Application Software

This term is utilized to spell it out programs that permit the computer to work and organize the various parts of the computer system to make it run proficiently.

It control buttons the operation of the computer as it tells the hardware how to proceed and how and when to do it.

It is the bottom for applications software as they can not work without system software

Operating systems are an example of it. The operating system is this program that truly makes the computer works.

Application software

This term is used for programs that enable an individual to do a specific activity such as building a report, producing invoices and using data source.

It is used once the operating-system has been loaded.

It can be educational programs, entertainment programs and etc.

Operating System

It is the software that truly makes the computer work. A good example of it is Microsoft House windows, Macintosh Operating system (Mac Operating-system), Linux and Unix.

These are some functions of the operating-system

Boot the computer.

Control the hardware such as printing device, scanner, monitor, keyboard and mouse.

Controlling features such as formatting disks, saving documents and retrieving them form the hard disk.

Provide the base for the applications software to be launched.

Allows the applications software to make use of the hardware.

applications Software

As reviewed before, applications software are programs that help the user to do a specific job and below are a few types of software software

Word processing programs: They are being used to set-up documents such as notice, information, memos and etc. An example is Microsoft Word.

Spreadsheet programs: They are used to analyze and summarize numerical data. They are in accounting environments to prepare balance mattress sheets and financial records. . A good example is Microsoft Excel.

Database programs: they are being used to arrange and deal with large quantities of data. . A good example is Microsoft Access.

Presentation images programs: They are used to arrange numeric data and text message in the right format to be exhibited to a group of people. . An example is Microsoft PowerPoint.

Photo editing programs: They are being used to revise images such as changing the size of images and change the colors of images. . A good example is adobe Photoshop.

Desktop posting programs: They are used to prepare high quality printed out materials e. g. flyers, newspapers, posters and catalogs. . A good example is Microsoft Publisher.

Internet Web Browsers: They are used to locate and screen information at Web sites. A good example is MS Internet Explorer.

User Interface

Users connect to software in many. Some users write the instructions that they need to do, other presses certain secrets from the computer keyboard to do a certain task plus some prefer use the mouse.

Command Syntax: Early on interface required users to type exactly instructions with specific guidelines to do a certain activity. The users didn't like this way because they have to be very careful on paper the commands and of course they need to remember it.

Shortcut Keystrokes: They allow the users to utilize the orders through pressing certain secrets from the keyboard. This way may be hard to be kept in mind.

Graphical INTERFACE (GUI): It identifies the graphics screens which make it easier for users to connect to programs through using icons, mouse, drop down selections and house windows.

Activity (3-1)

Objectives:

Distinguish between applications software and system software.

Identifying the various types of user interface.

1. Pick the correct answer

Linux is an example of. . . . . . . . . . . . . . . . . . . . . . . . . . .

Application software.

System software.

Memory.

Storage device.

Which of the following is an agreeable user interface?

Command syntax.

Shortcut keystrokes.

GUI.

Memory.

Which of the following is an exemplory case of software software?

Microsoft House windows.

Linux.

Unix.

Microsoft Expression.

Which of the following coordinates the various parts of the computer system to make it run proficiently?

System software.

Application software.

Word handling software.

None of these.

GUI can be an abbreviation of. . . . . . . . . . . . . . . . . . . . . . . . . . .

Graphical User Interface.

Graphical User Source.

Graphical Unit Software.

Graphical Unit Suggestions.

2. Point out two functions of the operating system and the application software.

Revision

This section provides specific information about software and they are the items that are described in this section

What is the meaning of software?

Types of software.

The difference between system software and application software.

The functions of the operating-system and examples on it.

The uses of some applications software.

What user interface is and types of it.

Now you are prepared to know about networks and internet. What a network is, types and benefits of it. Also what a web is and how it could be beneficial to users. This will likely be explained within the next chapter.

Chapter 4

Networks

Objectives:

After completing this chapter, you will be able to

Understand what's meant by the network.

Know the advantages of using sites.

Distinguish between types of network.

Know what an online is.

Identify the benefits of the internet.

Understand some of internet and browsing fundamentals.

Networks

Network is a group of computers connected alongside one another via cables or mobile phone lines or cellular to allow users to talk about hardware, software and data. Network requires each computer to have a network card.

Advantages of using networks

Sharing files: You can share documents between pcs through using networks instead of utilizing a flash storage to send a file from one computer to some other.

Sharing resources: Through systems, people working in a same place can show printers, scanners, fax machines. That is less expensive for organizations with many computer users.

Sharing programs: Through systems, People working in the same place can talk about the same program rather than purchasing individual program for every one.

Communication: Users on the network can talk to one another by e-mails even if there is no internet connection.

Types of networks

There are three types of network that happen to be

Local Area Network (LAN).

Wireless Area Network (WLAN).

Wide Area Network (WAN).

1. GEOGRAPHIC AREA Network (LAN)

A LAN is something where pcs are connected jointly inside a company or group to permit people share data files and resources such as printers. A LAN can be within the same building or within a group of buildings near one another.

2. Wireless Local Area Network (WLAN)

Computers are linked mutually through high rate of recurrence radio impulses. They are used in many office buildings, coffee retailers and even at homes. No wiring is required between the computers and the peripherals (peripheral device is any device that can put on the computer such as speaker systems, printers and scanners).

3. Wide Area Network (WAN)

Computers are connected together over a broad area such as between cities or countries. Communication between computer systems can be carried out through mobile phone lines, fiber optics and radio links or satellites. The web is an exemplory case of it.

Client / server computers

A client computer is the computer that requires data from another computer known as a server. The server is a robust computer than customer computer in conditions of data safe-keeping and processing rate.

Activity (4-1)

Objectives:

Understanding just what a network is.

Identifying the benefits of using networks.

1. Complete the following sentences

Network is. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Through systems people can discuss. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The three types of sites are. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . , . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The computer that requests data from the server is named. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

LAN can be an abbreviation of. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . while WAN is an abbreviation of. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Which type of network is the internet?

Internet

The internet is a global network of interconnected networks across the world. A very important thing about the web is the quantity of information that you can gain access to from it. The internet is different then INTERNET (WWW) as the internet is the network however the World Wide Web is a vast collection of linked documents held on computers all over the world and can be seen using a web browser.

Web web browser is software that is employed to retrieve and display contents on the World Wide Web, including word, image, video tutorial and other styles of files. The Internet Explorer and Firefox are a good example of it.

advantages of the internet

Using the internet has many advantages and below are a few of these

Researching tool: Find any information the user need through using search engines. Search engines will be the webpages that seek out information on the internet (e. g. Google, Yahoo).

Marketing tool.

Method of communication with others through chatting programs and e-mails. E-mails imply sending and obtaining announcements through the internet and the emails can include wording, images, video files and sound documents.

Entertainment tool (e. g. playing games, listening to music and watching films and video clips).

Information can be acquired 24 hours each day and seven days a week.

Services: Many services are available through the internet like shopping, hotel reservations and paying pills.

E-commerce: Doing business, buying and selling products and services through the internet.

E-learning: Utilising the web for education.

Downloading software from the internet.

Download and upload

Download means to transfer data from a server to a local computer while upload methods to copy data from an area computer to a server.

Examples:

Download programs, melodies and games from the internet to the computer.

Design a website then upload it from the computer to the internet to be utilized by others.

Transfer rate

Data is sent in collections of pieces or heroes. The transmission quickness of data is assessed by the Baud rate which means how many pieces can be transferred each second.

Bps: It means parts per second. 8 pieces = 1 identity.

Kbps: It means kilobits per second (i. e. 1000 parts per second). A 56. 6Kbps modem officially transmits 56, 600 parts per second of data. The modem is a tool that allows computers to transfer data over cell phone lines.

mbps This means megabits per second (i. e. 1, 000, 000 pieces per second).

Internet interconnection services

Computers are connected to internet in many ways. Listed below are the types of connections

Dialup interconnection:

It uses mobile phone lines to connect to the internet.

A modem is employed to dial a phone number and connect with an Internet service Company (ISP).

This type of interconnection is inexpensive compared to other connections.

The phone brand is active when the user uses the internet, signifying the user cannot make or get calls when he's online.

Data transfer over dial-up is slower compared to other contacts.

Internet Service Providers (ISPs) are companies that permit the users to connect to the internet.

Broadband interconnection: It allows faster copy of information. This type of connection is available through a mobile phone collection (ADSL), cables, satellite tv, mobile phone and wireless sites.

Asynchronous Digital Subscriber Series (ADSL) broadband: It uses a modem and the telephone series system to hook up some type of computer to Internet. The ADSL modem is different from a dial-up modem. Through ADSL, a end user can make calls and make an online search at exactly the same time. ADSL interconnection is faster and expensive than dial-up connection.

Wireless broadband: It uses radio transmitters and receivers to connect computers. Many general population areas and organizations provide this interconnection which is known as Wi-Fi. Nowadays this connection is utilized at home and supported by many mobile phones.

Cable broadband: It runs on the modem and the cabling infrastructure used for cable TV to link your personal computer to Internet. The cable modem uses the same cabling infrastructure and connection to your home as cable television. The wire modem attaches to the computer by a local area network (LAN) greeting card. Cable connection is faster than dial-up interconnection and the expense of it is comparable to an ADSL connection.

Satellite broadband: It is an Web connection that requires installing a special dish dish.

Activity (4-2)

Objectives:

Understanding the difference between internet and INTERNET.

Identifying the features of the internet.

Knowing some internet terminologies.

Differentiating between dial up connection and broad strap connection.

1. Complete the following sentences

A vast collection of linked documents held on computers across the world is known as. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The global network all over the world is known as. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Google is an exemplory case of. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

The transmission velocity of data over network is assessed by. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Examples of an web browser are. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . and. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

3. Status the benefits of the internet.

4. Which if faster, the ADSL connection or the dial up interconnection?

5. Which type of the broadband connection uses radio transmitters and receivers to hook up computer?

Revision

This chapter provides in depth information about systems and they are the items that are described in this section

The meaning of sites and the advantages of with them.

Types of sites.

The so this means of consumer/server computers.

The difference between Internet and World Wide Web.

Advantages of the internet.

Downloading and uploading.

Data transfer rate.

Internet interconnection services.

Now you will be ready to know about Information and Communication Technology and different internet services for customers. This can be explained within the next chapter.

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