Computer Tutorial (Part 2) Computer Notes Basic Overview For Computer Students (Level 1)
Simple Explanation Edu:-
Answer:- A computer is an electronic device which takes data and instructions from the user, process the data and gives the useful result to the user.
2. What are the basic parts of computer?
Answer:- The basic parts of a computer are as follows:
1. Monitor2. CPU (Central Processing Unit)
3. Keyboard
4. Mouse
3. How does a computer work? Explain with an example?
Answer:- Computer takes data and instruction as input and process the input data & gives output, simply input process output. An example: input (3 + 3) computer process the data and give output (6).
4. List the main four functions of a computer.
Answer:- The main four functions of a computer are as follows:
1. Taking input2. Processing data
3. Displaying output
4. Storing data & files
5. Write any four characteristics of a computer?
Answer:- Four characteristics of computer are as follows:
1. High speed2. Accuracy
3. Reliability
4. High storage
6. What is the use of storage device?
Answer:- The use of storage device is to store data and information permanently for future use.
7. Why computer is called an accurate machine?
Answer:- Computer is called an accurate machine because it does not make any mistake; it can give 100% accurate result.
8. Why computer is called a diligent machine?
Answer:- Computer is called a diligent machine because it can work for many hours continuously without taking any rest and without decreasing its speed.
9. Why computer is called a versatile machine?
Answer:- Computer is called versatile machine because it can perform various tasks by a single machine.
10. What is computer hardware? Give any two examples of it.
Answer:- The physical parts of a computer are called computer hardware. Mouse and keyboard are two example of computer hardware.
11. What is computer software? Give any examples of it.
Answer:- A set of programs is called computer software. Microsoft word and VLC player are two example of software.
12. What are the limitations of a computer?
Answer:-The limitations of a computer are as follows:
1. Computer cannot think and decide on its own.2. It cannot work without electricity.
13. What is a computer Mouse?
Answer:- Computer mouse is an input device. It is also called pointing device.
(Input & Output Devices)
1. What is an input device? Give any four examples of it.
Answer:- The device which is used to enter data and instructions into a computer is called input device. Keyboard, Mouse, trackball, joystick is four example of it.
2.What is an output device? Give any four examples of it.
Answer:- Output device is a device that is used for displaying output. Monitor, printer, speaker, headphones are four examples of output device.
3. What is monitor? Write its types.
Answer:- Monitor is an output device it displays output on screen. There are three types of monitor they are CRT, LED and LCD monitor.
4. What is printer? Write its types.
Answer:- Printer is an output device which prints output into paper. There are three types of printer they are Matrix, Inkjet and Laser printer.
5. What is the use of Mouse?
Answer:- Mouse is used to make menu selection and draw images.
6. What is the use of Touchpad?
Answer:- Touchpad is used to move the cursor on screen.
7. What is Speaker?
Answer:- Speaker is an output device used to hear the sound generated by computer.
8. What is Plotter?
Answer:- Plotter is an output device generally used for printing large engineering drawings.
9. What is Scanner?
Answer:- Scanner is an input device used to scan images, printed text etc.
10. What is Joystick?
Answer:- Joystick is an input device used to play games.
11. What is web Camera?
Answer:- Web camera is an input device used to to takes photo and video and sends it to computer.
12. What is the difference between LED and CRT monitor?
CRT monitor | LED Monitor |
It consumes High power. | It consumes Very low Power. |
It is heavier in Weight. | It is lighter. |
It occupies More space. | It occupies Less space. |
13. What is the difference between impact printer and non-impact printer? Give an example of each.
Answer:-
Impact Printer | Non-Impact Printer |
Printing quality Is low. | Printing quality Is high. |
It is noisy than Non-impact printer. | It is less noisy. |
Example: Dot matrix, Daisy Wheel. | Example: Inkjet, laser |
(Central Processing Unit)
1. What is a Central Processing Unit?
2. To read data & instructions from memory.
3. To give commands to all parts of computer.
2. Arithmetic and Logic Unit (ALU)
3. Memory Unit (MU)
2. It also makes comparisons of data.
2. It tells computers memory, arithmetic logic unit, output, input device how to respond to an instruction.
(Memory Of Computer)
1. What is a computer memory? Write examples.
RAM | ROM |
Temporary memory. | Permanent Memory. |
It is read and Write memory. | It is read only memory. |
It lost data when switched off. | It never lost data. |
Primary Memory | Secondary Memory |
Direct connected to motherboard. | Uses cables to connect to motherboard. |
It is faster than Secondary memory. | It is slower than primary memory. |
It stores less Amount of data. | It storage large amount of data. |
(Computer Software & Hardware)
2. Software
2. Processing hardware
3. Output hardware
4. Memory and Storage hardware
2. Application Software
2. packaged Software
Compiler | Interpreter |
It converts the programs Written in high level Language to machine Level language. | It converts high level Language into machine language By converting of executing one line Of instruction at a time. |
(Operating System)
1. What is an operating system? Write with examples.
3. What are the different parts of program windows?
Answer:- Title bar, scroll bar, ribbon, quick access toolbar are the different parts of program windows.
4. How can you resize the program window?
Answer:- By hovering mouse cursor over an edge or corner or window we can resize the program window.
5. What are files?
Answer:- The files are an object on a computer that stores data, information, sittings, or commands used with a computer program.
6. What are folders?
Answer:- The folders are containers in which files are kept.
(Computer Virus)
1. What is a computer virus? Name some computer virus.
Answer:- A computer virus is a program that infects a computer without permission or knowledge of the user. I love you, Sky Net , Aids, C-Brain, Time Bomb, Logic Bomb are some examples of computer viruses.
2. Why the computer viruses are created?
Answer:- Computer virus are created for the following reasons:
2. To take revenge against a company
3. To create problem in a computer or network.
Answer:- The different types of viruses are as follows:
1. Boot sector virus
2. File infecting virus
3. Macro virus
4. Polymorphic virus
5. Multipartite virus
4. What are the symptoms of computer of being infected by computer virus?
Answer:- The symptoms of computer being infected by computer virus are as follows:
1. Slow response and slow program execution.
2. Displaying unusual messages on the screen.
3. Displaying extensive pop-up ads.
5. List the sources of computer virus.
Answer:- The sources of computer virus are as follows:
1. Though removable storage media.
2. Though email attachments.
3. By installing pirated software.
6. What is an antivirus software? Give any two examples of it.
Answer:- Antivirus software is a program designed to defect and remove virus from the computer system. Two examples of antivirus are as follows:
1. Avast
2. AVG (Antivirus Guard)
7. What is antivirus? Name some antivirus.
Answer:- Antivirus is a software which is used to prevent the computer from the virus by scanning, location and removing viruses from the computer. NOD 32, Kaspersky, Norton, Avira are some antivirus software.
8. List any four preventive measures from viruses.
Answer:- Four preventive measures from viruses are as follows:
- Install antivirus.
- Do not use pirated software.
- Always use removable devices.
- Do not open untrusted email or website.
Answer:- Four sources of virus transfer are as follows:
- Internet and Email.
- Pirated Software
- Virus-Infected Removable Devices.
- Fake Website.
(Word Processing WordPad)
1. Define word processing. Give any two example of word processing software.
Answer:- Word processing means using a computer to create, edit, save and print document. Two example of word processing software are WordPad and Microsoft Word.
2. What is WordPad?
Answer:- WordPad is a basic word processing program which comes with windows operating system.
3. What are the two visual elements of the Ribbon?
Answer:- The two visual elements of the Ribbon are tabs and command groups.
4. What are superscript and subscript?
Answer:- Superscript refers to positioning the test slightly higher than the baseline. Subscript refers to positioning the text slightly lower than the baseline.
5. Mention the different types of alignment of text available in MS Word.
Answer:- The different types of alignment of text available in MS-Word are Left Alignment, Right Alignment and center Alignment.
6. What is the use of Find and Replace command?
Answer:- Find command is used to find a particular word/text easily in document and replace command is used to replay any particular word/text in document.
7. What are the different components of WordPad?
Answer:- Title bar, ribbon, ruler, menu bar, format bar, document bar, scroll bar, etc. are the different components of WordPad.
8. What do you means by cursor? What does it indicate?
Answer:- A vertical line blinking in document area is called cursor. It indicated where the next text will appear.
9. Write different method of selecting text?
Answer:- The different methods of selecting text are as follows:
1. Double click on word.
2. Triple click on word.
3. Press [Ctrl +A] from keyboard.
4. Press [Shift +Arrow] from keyboard.
10. For what copy and move is used?
Answer:- To get the same text on other part of document copy is used and to remove the text from previous place and put it in new place move is used.
11. What is the use of Undo and Redo command?
Answer:- Undo is used to remove the recent previous action, redo is used to cancel undo task.
12. What do you mean by formatting a Document?
Answer:- The arrangement of text or any object in proper manner is known as formatting.
13. What is text alignment?
Answer:- The text position is known as text alignment.
14. What is scroll bar?
Answer:- A vertical bar on the right side of a window or a horizontal bar at the bottom of a window that is used to move the window contents up and down or left and right.
15. What is quick access toolbar?
Answer:- Quick access toolbar is available at left side of title bar which contains frequently used commands.
16. What is status bar?
Answer:- Status bar is located at bottom of document which shows information about document like word count, line number, page number.
17. What is Microsoft Word?
Answer:- Microsoft Word is the most commonly uses word processing software developed by Microsoft Corporation.
18. What is the use of Microsoft Word?
Answer:- Microsoft word is used to create, edit, view, format, save and print text documents.
19. What are the different components of the Microsoft Word Window?
Answer:- Quick access toolbar, title bar, file tab, ribbon, horizontal ruler, vertical ruler, working area status bar, etc. are the different components of Microsoft Word window.20. List the features of Microsoft Word?
- It allows to create and edit any text document.
- It allows us to format text, paragraph in the desired style.
- It allows us to search and replace any word.
- It word us to insert and edit pictures.
- It allows us to preview and print the document.
21. What is meant by editing the Document?
Answer:- Making any changes in the document is called editing the document. like replacing words, changing an image etc.
22. What is meant by saving the Document?
Answer:- Saving is the process of writing data on a storage device. When every you work on MS word your document is saved on RAM which is a temporary memory until you save it. To keep the document permanent you have to save it in a storage device like a hard disk.
23. What is the formatting Document?
Answer:- The process of changing the size and appearance of text or picture in the document is known as a formatting document.
24. What is the difference between copy paste and cut paste?
Answer:- Copy-paste means duplicating text or an object. Cut paste means moving a text or an object from one place to another.
25. What are the different alignment options in MS-words?
Answer:- The different alignment options available in MS words are as follows:
- Left Align
- Right Align
- Center Align
27. What is meant by a cursor?
28. What is meant by proofing the Document?
29. What is the use of find command in MS-word?
30. What are bullet and numbering?
31. What is the use of a font group?
32. Write the various changes case option.
- Sentence Case
- Lowercase
- Uppercase
- Capitalize Each Word
- Toggle Case
- Landscape
- Portrait
Answer:- TO make a page break click on insert tab then click on Page Break.
a) Ribbon: It holda all the information in a visula stram line manner through a series of tab.
b) Insert Tab: It helps us to insert objects into documents like pictures, clip art, header, etc.
d)Page Layout Tab: It has commands to adjust page elements such as margins, orientation, etc.
e) View Tab: It helps us to change the view of the document like full screen, web layout, etc.
(Presentation Software)
1. Define the term Presentation.
Answer:- Presentation is the way of showing and explaining the contents or information to the audience or learners. In other way explaining about some topic in-front of the audience is known as presentation.
2. What is a Power Point?
Answer:- Power Point is presentation software Developer by Microsoft Corporation, USA.
3. What are the steps to create a slide in Power Point?
Answer:- The steps to create a slide in Power point are as follows:
1. Click the Home tab.
2. In the Slide group, click the down arrow of the New Slide button.
3. The Office Theme dialogue box appears.
4. Select the layout.
4. Define the term Theme. Which tab will you click to apply a theme to a slide.
Answer:- A set of pre-design elements you can apply to slides in your presentation. I will click on Design tab to apply theme to a slide.
5. Explain the process to save presentation in MS-Power point.
Answer:- The process to save presentation in MS-Power Point are as follows:
1. Click on File tab.
2. Click the save button.
3. Select the drive and folder.
4. Type the file name.
5. Click on Save.
6. Write the steps to insert a picture on a slide.
Answer:- The steps to insert a picture on a slide are as follows:
1. Click on Insert tab.
2. In the Image group, click picture.
3. The Insert picture dialogue box appears.
4. Locate the picture that you want to Insert and then click Insert.
7. What is the default extension of a file in PowerPoint?
Answer:- The default extension of a file in PowerPoint is .pptx.
8. Write any two ways in which you can run a slide show.
Answer:- The two ways to run slide show are as follows:
1. Press F5 on keyboard.
2. Click the Slide Show icon at the button of the window.
(Drawing MS Paint)
1. What is MS-Paint?
Answer:- MS-Paint is a drawing and painting program which comes with window operating system.
2. What is the use of Paint program?
Answer:- Paint program is used to edit or create picture.
3. What is the use of Ribbon in MS-Paint?
Answer:- Ribbon is a set of toolbox which helps to find command easily in MS paint.
4. How can you rotate and resize your drawing?
Answer:- Rotate and resize option is available in ribbon, with the help of this tool we can rotate and resize our drawing.
5. What is the use of shapes option in paint program?
Answer:- With the help of shape option we can draw different type of pictures. Rectangle, star, circle, straight line etc. are available in shape option.
(Internet)
1. What is Internet?
Answer:- Worldwide network of computers is known as internet.
2. What is a computer network? Write the types of computer networks.
Answer:- Connection of two or more computers using cable or wireless is known as a computer network. There are mainly three types of computer network they are as follows:
- Local Area Network (LAN)
- Metropolitan Area Network (MAN)
- Wide Area Network (WAN)
3. How is the internet formed?
Answer:- Internet is formed by joining millions of computers all over the world.
4. Which company formed the internet?
Answer:- The internet was formed by the Advance Research Project Agency (ARPA) of the defense department in 1969.
5. What are the major services provided by the internet?
Answer:- The major services provided by internet are as follows:
1. Communication services
2. Information services
3. Web services etc.
6. Write is a web browser? Write with some examples.
Answer:- A software that is used to access resources on the internet is known as a web browser Google Chrome, Mozilla Firefox, Apple Safari , Internet Explorer are some examples of web browsers.
7. How can you open a browser on your computer?
Answer:- By double clicking on the internet explorer icon on the desktop we can open browser.
8. How can you open any website on the Internet?
Answer:- By putting the URL in browser we can open website.
9. What is home page? Write the difference between web page and website?
Answer:- First page of website is known as home page. The web page is a single page of a website whereas the website is a collection of web pages.
10. What is URL? List any two URLs
Answer:- URL is a address of a web page or a website on the internet. Three examples of the URL is as follows:
- www.google.com
- www.facebook.com
- www.yahoo.com
Answer:- Search engines are website which makes us easy to locate website and information on the internet. www.google.com, www.ask.com, www.yahoo.com are some search engines.
12. What is www?
Answer:- WWW is an information system where document and other resources are identified.
13. Write down any five components of the internet.
Answer:- Five components of the internet are as follows:
- World Wide Web (WWW)
- Webserver
- Web Browser
- Web Pages
- Hyperlink
Answer:- Four services provided by the internet are as follows:
- Means of Communication
- Online Education
- Online Shopping
- Advertising
- Entertainment
15. Define hyperlink and webchat. Give an example of webchat.
Answer:- An element that links to a different place of a document or to another document is known as hyperlink. Webchat is a service available on the internet which allows users to communicate in real-time. An example of web chat is the messenger.
16. Name some webchat interface.
Answer:- Skype, yahoo, messenger are some webchat interface.
17. What is meant by browsing the website?
Answer:- Opening a web page or website on the internet is known as browsing the website.
18. What is Internet Explorer?
Answer:- Internet explorer is a web browser software, which is used to access or view webpages.
19. Define E-mail. Write any four advantages of using mail.
Answer:- An email is a message that may contain text, images, files or other attachments sent through internet to a specified person or group. Four advantages of using email are as follows:
- It is easy to use.
- It can send and receive messages instantly.
- It has a very limited cost.
- It allows sending images, audio, video, etc.
(Multimedia & its Application)
1. What is multimedia?
Answer:- multimedia is basically a combination of different types of content such as text, audio, images, animation, videos etc.
2. List the elements of multimedia.
Answer:- The elements of multimedia are text, audio, video, graphics, animation etc.
3. List any three advantages of multimedia.
Answer:- Three advantages of multimedia are as follows:
1. Enhance the effort of text presentations:
2. Can be modified very easily
3. Frees the teacher from routine tasks.
4. List any three disadvantages of multimedia.
Answer:- Three disadvantages of multimedia are as follows:
1. Expensive.
2. Not always easy to configure.
3. Requires special hardware.
5. What is an animation? How does it help in multimedia Presentations?
Answer:- Animation is a process of making a static image that looks like it is moving. In multimedia, digital animation is used. Animation helps to make any aspects easy in multimedia Presentations.
6. List any four application areas of multimedia.
Answer:- The four application areas of multimedia are as follows:
1. Education
2. Health
3. Entertainment
4. Internet
7. How is multimedia used in the field of education?
Answer:- Multimedia CDs for different subjects are available for students which is making learning easy.
8. What is meant by animation?
Answer:- The movement of image one after another is known as animation.
9. Define multimedia hardware and software.
Answer:- Multimedia hardware is a device that we can touch, like, speaker, camera, sound card, computer, etc. multimedia software is a program that is used to create multimedia files like, MS-paint, adobe photoshop, CorelDraw, etc.
10. Name some multimedia programs.
Answer:- MS-Paint, Adobe Photoshop, CorelDraw, Moviemaker, Microsoft Office are some examples of multimedia programs.
11. What is window media player?
Answer:- Window media player is a program that is used to play audio and video files.
(Program Design Tools)
1. Define a computer program?
Answer:- Computer program is a set of instruction which tells the computer how to work.
2. What is program design tool?
Answer:- The tool used to make a clear idea about the steps required to solve a problem are called as program design tools.
3. What is an algorithm?
Answer:- An algorithm is a procedure or a step that needs to be carried out for solving a problem.
4. What is a flowchart?
Answer:- The graphical representation of the problem solving steps or algorithm is called flowchart.
5. Write the rules for drawing flowchart?
Answer:- The rules for drawing flowchart are as follows:
1. The sequence of operation in the flowchart generally flows from the top to bottom and left to right.
2. Proper symbols must be used to represent the different activities.
3. The flowchart should be clear, neat and easy to understand.
4. Arrow heads must be used in proper ways to indicate the flow data.
5. Crossing flow lines do not indicate that there is any logical connection between those lines.
(QBASIC)
1. Define QBASIC.
Answer:- QBASIC (Quick Beginners All Purpose Symbolic Instruction Code) is another version on BASIC programming language. It is simple and easy to understand. You can write programs for calculations draw graphics and do many more using QBASIC.
2. What are the different parts of QCASIC screen?
Answer:- The different parts of QBASIC screen are as follows:
1. Menu bar
2. Title bar
3. Edit window
4. Immediate
5. Status
3. What is variable?
Answer:- Variable is a name given to the memory location where the value is stored.
4. Write the rules for naming a variable.
Answer:- The rules for naming a variable are as follows:
1. The variable name may be up to 40 characters long.
2. Letters, numbers and the special type declaration characters ($, %, #, &, !) are allowed in variable name.
3. The first character in the variable name must be a letter.
4. Reserved words (For example: CLS PRINT, INPUT etc.) of QBASIC cannot be used as variable names.
5. What is a QBASIC statement?
Answer:- A QBASIC program is a collection of statements. Each instruction in QBASIC is called a statement.
6. Write the function of INPUT statement is to take input from the keyboard.
Answer:- The function of INPUT statement is to take input from the keyboard.
7. Write the function of PRINT statement.
Answer:- The function of PRINT statement is to display the text or the value stored in the variables.
(MS Logo Program)
1. What is MSWLOGO?
Answer:- MSWLOGO is graphics user interface based simple programming language.
2. Write any two features of LOGO.
Answer:- Two features of LOGO are as follows:
1. It is an interpreter based programming language.
2. It supports graphics User Interface as front end.
3. What is LOGO Turtle?
Answer:- A triangular shaped object that follows the logo commands.
4. What is the extension of LOGO program file?
Answer:- The extension of LOGO program file is .lgo.
5. Write the difference between ARC and ARC2 command.
Answer:- In ARC turtle remains at the center of the arc and in ARC2 turtle ends up at the end of the arc.
Links:-
- Computer Full Forms
- Computer Tutorial (Part 3) Computer Notes Basic Overview For Computer Students
- Computer Tutorial (Part 4) Computer Notes Basic Overview For Computer Students (History & Generation of Computer)
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