Input and output devices notes. Input and Output Devices Class 9 Notes Download PDF 2022-12-21
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If I were a teacher, I would be filled with excitement and enthusiasm for the opportunity to shape the minds of young learners. I would approach each day with energy and dedication, striving to create a classroom environment that is both engaging and supportive.
As a teacher, my primary goal would be to inspire a love of learning in my students. I would strive to create a curriculum that is challenging and rewarding, and that allows students to explore their interests and passions. I would also work to foster a sense of community in my classroom, encouraging students to support and learn from one another.
In order to be an effective teacher, I would also need to be patient, understanding, and open-minded. I would listen to my students' concerns and questions, and do my best to help them find the answers they need. I would also be willing to adapt my teaching style to meet the needs of individual students, whether that means providing extra support for struggling learners or offering more advanced material for those who are ready for a greater challenge.
In addition to being a teacher, I would also strive to be a role model for my students. I would set high standards for myself and work to live up to them, always striving to be the best version of myself. I would also encourage my students to set their own high standards and to work towards achieving their goals.
Overall, if I were a teacher, I would be deeply committed to helping my students grow and succeed. I would work hard to create a positive and supportive learning environment, and to inspire a love of learning in all of my students.
Input and Output Devices Class 9 Computer Science Notes and Questions
In electro thermal printing, characters are burned on to a special paper by heated rods on a print heat. List Disadvantages of CRT Monitor. These monitors can display only one colour. Ask questions such as:. Dot matrix printers are often categorized by the number of pins in the print er headtypically, 9 or 24. Ink jet printer is flexible enough to be used as plotters.
Notes on Input & Output Devices Notes for Bank Exams
Then this drum is pressed over the page to create printed output. The printing drum surface is divided into several tracks which are equivalent to the size of the paper. These are special keys provided to a programmer which allow him to attach special functions to each key. For example, a keyboard is commonly used to transfer data or information from human readable form to machine readable form. In some keyboards these keys are also provided inside the numeric keypad as alternate keys. To use a different character set, a different drum needs to be purchased like the one with the 48 character set, or the 64 and 96 characters set. Back Space Key: Sometimes referred to as the rubout key, the backspace key is used to delete any character before the current position of the cursor.
Input and Output Devices Class 9 Notes Download PDF
The left mouse button can be used to select or move items, while the right mouse button when clicked displays extra menus. Speakers are devices that receive sound data from computers and output sounds for the user to hear. The monitors are also referred as C. Example: LEDs, Plasma panels, thin film electroluminescent displays etc. Basic versions if it has two buttons called the left and the right-click button and a wheel is present between the buttons to provide a scroll function.
LCD OR FLAT PANEL MONITOR Another monitor type is LCD or Liquid Crystal Display. LCD monitors use a flat lightweight surface filled with millions of tiny glass bubbles, each having a phosph oric covering. A mouse can be used for many applications, ranging from games to drawing and designing products with computer graphics. F LOPPY DISK A floppy disk, also called simply a diskette or disk, is a small flexible Mylar disk coated with iron oxide on which data are stored. IN K — JET PRINTER It is a kind of non-impact spray small dots of electrically charged ink onto a paper to form images. The screen is the front of the monitor and CRT is fitted inside the m onitor. A bar code reader scans a bar code image, converts it to an alphanumeric value, and then sends it to the computer to which it is connected.
Its applications are generally in Computer-Aided Designing CAD and playing computer games. Ans- निष्कर्ष Conclusion जैसे-जैसे टेक्नोलॉजी उन्नत होती जा रही है input और output device भी बदलती जा रही हैं, भविष्य में हम देखेंगे keyboard के जगह voice command के द्वारा हम typing करते दिखेंगे उसी तरह मॉनिटर का स्थान Manish Tiwari नमस्कार दोस्तों , मैं मनीष तिवारी positivehindi. DIS K DRIVE Disk drive is a peripheral device that reads or write the disks hard disks, floppy disks, etc that store information. LCD monitors are a lot like CRT monitors without the bulkiness but they do not have CRT. In small diskette a hard plastic cover and protective metal is used to protect disk.
N O N — IMPACT PRINTING Does not depend on the impact of metal on paper. A floppy disk which is a random access device can access dat a fast than magnetic tape. It has a stick that is inclined to angle to control movement in video games. We can open application programs, operate the menus of the application and save the work. CD-WR discs may be written, erased and rewritten, while CD-R discs may be written only once. TYPES OF PRINTERS DOT MATRIX PRINTER Any printer that produces character made up of dots using a wire pin printed head.
The CD writer is also called a CD-R drive short for Compact Disc — Recordable Drive. Read the Input and Output DevicesClass 9 Notesgiven below as per the latest NCERT book for Class 9Computer Science. Some plotter having colored pens can make colored drawings also. You can use software to organize and manipulate the electronic image. It takes in the instructions in the form of inputs , performs the computing tasks also known as processing and gives back results in the form of outputs. LINE PRINTERS Any printer that prints one line at one time, as opposed to one character at a time or one page at a time. When connected to a computer, the image on the monitor will only be displayed on the screen.
Joystick A joystick is a pointing device that is used to move the cursor on a computer screen. The computer also produces another output through the printer. Scanned text can be edited by OCR software. It can be used to select a menu item or to draw on the monitor screen. Makes a lot of Noisy They are less Noisy 3.
Input and Output Devices: Types and Uses of Computer I/O Devices
Information is recorded on th e track of the disk surfaces in the form of invisible tiny magnetic spot. The quality of output from a dot matrix pr inter depends largely on the number of dots in the matrix, which might be low enough to show individual dots or might be high enough to approach the look of fully formed characters. Good quality printing 5. Diskettes may be double sided and single sided while the storage capacity becomes less or more. These processes are repeated according to a predetermined pattern or rule, resulting in different outputs at successive steps. In some keyboards these keys are also provided inside the numeric keypad as alternate keys. Color monitors are sometimes called RGB monitors because they accept three separate signals — red, green, and blue.
