Computer
- 1. COMPUTER COURSE FOR CLASS II-SAMPLE QUESTIONS Chapter 1: Introduction to computers 1. What is a computer? 2. Write about fundamental parts of a computer. Chapter 2: Introduction to computer devices 1. What are Computer devices? 2. What are input devices? 3. What are output devices? 4. What is a Keyboard? 5. Write down about main keyboard. 6. How many alphabetic keys are there in the main keyboard? 7. How many numeric keys are there in the main keyboard? 8. How many symbol keys are there in the main keyboard? 9. How many special purpose keys are there in the main keyboard? 10. How many function keys are there in the keyboard? 11. What do you know about a cursor? 12. Where are cursor movement keys located in the keyboard? 13. What is the purpose of cursor movement keys? 14. Where is numeric keypad located in the keyboard? 15. How many numeric keys are there in the numeric keypad? 16. What is a microphone? 17. Write down about mouse. 18. Write down about monitor. 19. What is a printer? 20. How many types of printers are? 21. What is a speaker? 22. What is a system unit? Chapter 3: Introduction to software 1. Paint Brush Painting the picture using a mouse. (Practical) 2. Microsoft Word Writing the sentences using a keyboard.(Practical)
- 2. CHAPTER 1 INTRODUCTION TO COMPUTER Q.1. What is a computer? Ans. A computer is an electronic machine. It can be programmed. Q.2. Write about fundamental parts of a computer. Ans. Fundamental parts are the basic parts of a computer. There are four fundamental parts of the computer, which are as follows: a. Keyboard b. Mouse c. Monitor d. System unit System unit Monitor Mouse Keyboard
- 3. Quiz Computer is an _____________________ machine. Computer is an electronic _________________. Computer can be _____________________. There are ___________ fundamental parts of the computer. There are four ___________________ parts of the computer. There are four fundamental _________ of the computer. Label the following diagram:
- 4. CHAPTER 2 INTRODUCTION TO COMPUTER DEVICES Q.1. What are computer devices? Ans. Computer devices are computer parts. There are two types of devices. i. Input devices ii. Output devices Q.2. What are input devices? Ans. Input devices are used to put data into the computer. Three input devices are given below: i. Keyboard ii. Mouse iii) Microphone Keyboard Mouse Microphone Q.3. What are output devices? Ans. Output devices are used to show information. Three output devices are given below: i. Monitor ii. Speaker iii) Printer Monitor Speaker Printer
- 5. Quiz Computer _____________ are computer parts. Computer devices are computer __________. Computer devices are _______________ parts. There are ________ types of devices. There are two ____________ of devices. Keyboard is an _______________ device. Mouse is an _________________ device. Monitor is an ______________ device. Speaker is an _______________ device. Microphone is an _______________ device. Printer is an _______________ device. Label the following diagram:
- 6. Q.4. What is a keyboard? Ans. A keyboard is the main input device to operate the computer. There are buttons on the keyboard called keys. These keys have letters, numbers and symbols printed on them. We can write by pressing these keys. Q.5. Write down about main keyboard. Ans. The main keyboard includes the Alphabetic keys, numeric keys, symbol keys and some special purpose keys (command keys). Q.6. How many alphabetic keys are there in the main keyboard? Ans. There are twenty-six alphabetic keys in the main keyboard, from “A” to “Z”. Q.7. How many numeric keys are there in the main keyboard? Ans. There are ten numeric keys in the main keyboard, from “0” to “9”. Q.8. How many symbol keys are there in the main keyboard? Ans. There are twenty-one symbol keys in the main keyboard. Some symbol keys are separate and some are combined with numeric keys. Q.9. How many special purpose keys are there in the main keyboard? Ans. There are eleven special purpose keys (command keys) in the main keyboard. These keys have different uses that depends on the software being used. Q.10. How many function keys are there in the keyboard? Ans. There are twelve function keys on a keyboard. The function keys are an easy way to give certain commands to the computer. Q.11. What do you know about a cursor? Ans. Cursor is the indicator (pointing sign) on the screen. Usually it appears arrowhead like on the desktop. Q.12. Where are cursor movement keys located in the keyboard? Ans. Cursor movement keys are located in between main keyboard and numeric keypad.
- 7. Q.13. What is the purpose of cursor movement keys? Ans. Cursor keys are used to move the cursor around the screen in up, down, left and right directions. Q.14. Where is numeric keypad located in the keyboard? Ans. Numeric keypad is located on the far right side of the keyboard. This is the second set of numeric keys on the keyboard. These keys are used for the quick calculation. Q.15. How many numeric keys are there in the numeric keypad? Ans. There are ten numeric keys on the numeric keypad. The total number of keys in the numeric keypad are seventeen. Q.16. What is microphone? Ans. Microphone is an input device. We can put data into the computer through microphone in the form of our voice. Q.17. Write down about mouse? Ans. A mouse is an input device. We can select particular object on the monitor screen by clicking the mouse. There is arrowhead like sign called cursor. We can select objects on the screen with the help of cursor by clicking the mouse on the monitor screen. Q.18. Write down about monitor. Ans. A monitor is an output device. It has a TV like screen. We can see information on the screen. Q.19. What is a printer? Ans. A printer is an output device. We can get printed information on the paper through printer. Q.20. How many types of printers are? Ans. There are two types of printers. i) Impact printer. ii) Non-impact printers. Q.21. What is a speaker? Ans. Speaker is an output device. It gives us information in the form of sound. Q.22. What is a system unit? Ans. The system unit is a rectangular box. The processing of data is performed in this part of the computer. It contains many important components. One of them is (CPU) Central Processing Unit.
- 8. Label the following diagram: Label the following diagram: