Class-5_Sunrise

 

Class – 5

Computer

 

Reference Book:  Sunrise Publication

Chapter 1 : Computer Overview
Chapter 2 : Hardware and Software
Chapter 3 : Input and Output Devices
Chapter 4 : Memory of the Computer
Chapter 5 Operating System (Microsoft Windows-7)
Chapter 6 Word Processing
Chapter 7 Drawing And Painting Program (MS-Paint)
Chapter 8 Introduction to Internet
Chapter 9 Planning step by step
Chapter 10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 Computer Overview

Q. 4. Answer the following questions:
* What is computer?
Ans: Computer is an electronic machine that can perform different kinds of tasks according to a set of instructions given to it.
a. Define a computer.
Ans: The word computer is derived from the Latin word "Computare" which means to calculate.
b. What are the basic parts of computer?
Ans: Monitor, System unit, Keyboard and mouse are the basic parts of computer.
c. Draw pictures of front view of a system unit.

d) How does a computer work? Explain with example.
Ans: Computer works in three steps Input >> Process >> Output and this is the basic working principle of computer.
Let take an example.

e) Write any four characteristics of a computer.
Ans: Any four characteristics of a computer are : High speed, Accuracy, Diligent, Versatile etc.
f) Write any four areas where computer are used.
Ans: Any four areas where computer are used as follows:
i) Home           ii) Education        iii) Medicine and Health      iv) Entertainment        v) Business

 

 

 

 

 

 Hardware and Software

 
Answer the following questions:
a) What are the two major components of a computer?
Ans: Hardware and software are the two major components of computer.
b) What is computer hardware?
Ans: Hardware are the physical parts of computer, which can be touched, or seen.
c) What are the different types of hardware?
Ans: The different types of hardware are as follows:
a) Input hardware             ii) Processing hardware               
iii) Output hardware        iii) Memory and storage hardware
d) What is computer software?
Ans: A group of programs that performs a particular task is called software.
e) What is an application software?
Ans: Application software are designed to perform specific tasks for users and created specially according to the user's need.
f) What is a system software?
Ans: The system software is a set of one or more programs that directs the internal operation of the computer system. eg: Windows.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Input and Output Devices

Input and Output Devices

Answer the following questions

a. What are input devices? Write any four examples.

Ans: The devices that are used to enter data and instructions into the computer are called input devices. Eg. keyboard, mouse touch pad, touch screen, Joystick etc.

b. Explain the method of using touch pad.

Ans: Method of using touch pad are given below:

i) To move the pointer on the screen move your finger around on the touchpad.

ii) To select an object on the screen position the pointer over the object and click once.

iii) To start a program or open file position the pointer over the object an double click on it.

iv) To access a shortcut menu position the pointer over the object and click right button once.

v) to move an object on the screen position the pointer over the object and press left button and hold it and use touch pad to move it. 

c. What are output devices? Write some commonly used output devices.

Ans: The device that are used to get output from the computer are called output device. Example: Monitor, speaker, printer.

d. What is monitor? Write its types.

Ans: Monitor is a primary output device of computer. It is also known as Visual Display Unit (VDU). It gives us soft copy output that is displayed on the screen.

e. What is printer? Write its types?

Ans: Printer is the basic output device that is used to print the output on the paper. The output printed on the paper is called hard copy output. There are three types of printer they are: Dot Matrix Printer, Inkjet Printer, Laser Printer.

f. What is speaker?

Ans: Speaker is an output device which produce different sound from the computer and it is also used to listen music or sound in the computer.

g. What is scanner? Write its any two uses.

Ans: Scanner is an input device that optically scans images, printed text or an object, and sends them to the computer. It is also called the direct entry or non-keyboard input devices.

h. What is joystick?

Ans: Joystick is an input device that is often used to play computer games. 

i. Write any four differences between LED and CRT Monitor.

Ans: 

LED Monitor	CRT Monitor
1. It consumes very less power than CRT Monitor.	1. It consumes more power than LED Monitor.
2. It is lighter and more portable than CRT monitor.	2. It is bigger in size and heavier than LED monitor.
3. It uses a special kind of Light Emitting Diodes to display video and graphics on the screen.	3. It uses a Cathode ray tube to display video and graphics on the screen.
4. Full form of LED Light-emitting Diodes	4. Full form of CRT is Cathode Ray Tube.

j. What is a web Camera?

Ans: A web camera is a kind of camera that takes photos or videos and sends them to the computer. It is widely used in internet chatting.

 

 

 

 

 

 

 

 

 

 

 

 

Memory of the Computer

 

Answer the following questions:

a. what is computer memory? Write examples.

Ans: Computer memory is the place of the computer where data and instructions are stored. Example: RAM, Harddisk, Pendrive etc.

b. What is primary memory? Write with examples.

Ans: Primary memory is the internal memory of the computer that is fixed on the motherboard. Example: RAM, ROM.

c. What are the differences between RAM and ROM. 

Ans: >>

RAM	ROM
1. It is a volatile memory	1. It is a non-volatile memory.
2. Data are erased when the electricity goes off.	2. Data are not erased when the electricity goes off.
3. It stores currently running program and data ready to process	3. It stores start-up programs and instructions.

d. Write short notes on the hard disk.

Ans: Hard disk is the main and largest data storage device in the computer. It can store a large amount of data permanently. 

e. What is secondary memory? Write with an example.

Ans: Secondary memory is the permanent memory of the computer that is used to store large volumes of data and instructions. example: hard disk, Pendrive, DVD, etc.

f. What is meant by optical storage device?

Ans: Optical storage device means the laser beams are used to read data from it and to write data into it.

g. What is meant by firmware?

Ans: The programs stored in ROM are called firmware.

 

 

 

 

 

h. Write any four differences between primary memory and secondary memory.

Ans: >> 

Primary Memory	Secondary Memory
1. It is directly connected to the motherboard	1. It is connected to the motherboard with a cable.
2. It is faster than secondary memory.	2. It is slower than primary memory.
3. It is expensive than secondary memory.	3. It is not so expensive.
4. It is a working memory.	4. It is a storage location.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Operating System (Microsoft Windows-7)

Operating System
a) What is an operating System? Write with examples.
Ans: Operating system software is a special software, that manages and controls all the activities of the computer system. Example: Ms-Windows, Ms-Dos, Linux etc.
b) What is Microsoft windows?
Ans: Microsoft windows is the most widely used operating system software developed by Microsoft Corporation USA.
c) What is Microsoft Windows-7?
Ans: Microsoft Windows -7 is the most popular version of Windows operating system software.
d) What are the different parts of programs windows?
Ans: The different parts of programs windows are Quick access toolbar, Title bar, Ribbon, Scroll Bar,
Drawing area  (working area) etc.
e. How can you resize the program window?
Ans: To resize program window, hover your mouse cursor over an edge of the window and Click, hold and drag till the window is in the size you want.
f. What are files?
Ans: File are the systematic collection of related data and information in the computer.
g. What are folders?
Ans: Folder is a container in which different files are kept.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Word Processing

Word Processing : Word pad

Answer the following questions:
a. What is word processor? Write three examples of word processing software.
Ans: Word processor is a software that allows you to create, edit, view, format and print text document in the computer. Example : Ms-Word, Word Pad, Word Star etc.
b. What is Word Pad?
Ans: Word pad is a basic word processor program that comes with windows operating system.
c. What are the different components of Word Pad window?
Ans: The different components of Word Pad window are: Quick Access Toolbar, Title bar, Ribbon, Ruler, Text area, Control buttons, Status Bar, Zoom Control etc.
d. What do you mean by cursor? What does it indicate?

Ans: A blinking vertical line in the document called cursor that indicates where the next text that you type will appear.
e. Write different methods for selecting the text.

Ans: The different methods for selecting the text is given below:

1. To select a word : Double click on particular word.

2. To select a paragraph : Triple click on any word in particular paragraph.

3. To select all the words in the document : Press Ctrl+a button from the keyboard.
f. What is difference between copying and moving?

Copying	Moving
1. When you copy the text, The text also stays in the original location and then also gets copied to a new location.	1) Moving means removing the text from one place to another.
2) Copying means creating a duplicate copy of the text.	2)When you move the text, It is gone from the original location.

g. What is the use of Undo and Redo command?
Ans: The use of undo command is to cancel the last action performed on the document and Redo command is used to repeat the previous task that was canceled by Undo command.
h. What do you mean by formatting a document?
Ans: Formatting means the arrangement of texts in a proper manner like changing font style, color, font size etc.
i. What is the use of Find and Replace command?
Ans: Find command is used to find a particular word /text in a document and Replace command is used to replace the particular word/text in the document.

j. What is text alignment?

Ans: Changing the position of the text on the page is called text alignment.

k. What is title bar?

Ans: Title bar is the horizontal bar located at the top most part of the paint program window it shows the currently opened document.

l. What is scroll bar?

Ans: Scroll bar appears on the side or bottom of a window of ms-word which is used to scroll the document.

m. What is quick access toolbar?

Ans: Quick access tollbar is the place of word documet which contains frequently used commands. 

n. What is find and replace

Ans:Find command is used to find a particular word /text in a document and Replace command is used to replace the particular word/text in the document.

o. What is status bar?

Ans: Status bar is the place where we can see various information about document.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Drawing And Painting Program (MS-Paint)

Answer the following question
a. What is the use of Paint Program?
Ans: Paint Program is used to draw a different pictures and color them on the computer.
b. What is Ms-Paint?
Ans: MS-Paint is the most popular drawing and painting program developed by Microsoft Corporation.
c. What is the use of Ribbon in Ms-Paint?
Ans: In Ms-paint you can see different tools in the Ribbon with the help of these tools you can draw pictures and colour them.
d. How can you rotate and resize your drawing?

Ans: You can see resize and rotate option in the Image group of the Home tab with the help of this option you can rotate and resize your drawing.
e. What is the use of shape option in ms paint?

Ans: The use of shape option in ms paint is to draw different shapes. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Introduction to Internet

Q.4. Answer the following questions:
a. What is Internet?
Ans: Internet is a worldwide network of computers where millions of computers are connected all over the world and billions of people can use at the same time.

b. How is the internet formed?
Ans: Internet is formed by joining thousands of smaller networks such as LAN, MAN, WAN throughout the world.

c. What are the major services provided by internet?
Ans: The major services provided by internet are as follows:
a) You can get many information
b) You can communicate with people
c. You can get online education
d. You can buy things
e. You can get entertainment

d. Write short notes on:
World Wide Web :
     World Wide Web (WWW) is a system for finding document on the internet. In the World wide web, millions of documents are linked with each other using HYPER TEXT link.
Web page:
    A web page is a document that is connected to the world wide web. Web page is created by using a programming language called HTML.
Web site
Web site is a collection of web pages that are related to each other by a certain topic. Website is created by a person or an organization to give information about business, product or services etc.
URL
URL or Uniform Resource Locator is the address of a website or web page on the internet. Every web site has unique address which is used to visit web page or web site. eg: www.google.com
Home Page
A home page is the first page of a web site. It is the first page that browser opens when you access a website.
Web browser
       Web browser is a special type of software that is used to access resources on the internet which allows us to view, download, upload, surf or access document on the world wide web.

e. How can you open a browser on your computer?
Ans: To open browser click on the start button then select all programs option there you can see a browser software installed in your computer like internet explorer, google chrome or Opera just click on that.
f. How can you open any website on the internet?
Ans: To open website on the internet follow these steps:
Step 1: Open the internet Explorer Browser.
Step 2 : Type the website address (URL) on the address bar.
Step 3. Then click on the Go button or press enter key.

 

 

 

Planning step by step

Answer the following questions:
a. What do you mean by planning?
Ans: Planning is the step-by-step instructions to perform any work.
b. Why planning is necessary to perform any task?
Ans: Planning is necessary to perform any work correctly and to get the proper results.
c. Why should be instructions clear? Explain with an example.
Ans: If there are not clear instructions the job may not be completed properly
d. Give an example to show the planning with decision making.
e. What is the programming language?
Ans: The language that is used to develop a computer program is called programming language.
f. Why planning is necessary to make a good program?
Ans: Computer needs step-by-step instructions to perform any task and instruction should be clear and in a correct order so planning is necessary to make a good program.