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Lesson No: 3 Hardware, Software and Printer

CHBT-01 Basic Micro process & Computer Operation. Lesson No: 3 Hardware, Software and Printer. Hardware, Software & printer. Computer Architecture. Hardware. Software.

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Lesson No: 3 Hardware, Software and Printer

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  1. CHBT-01 Basic Micro process & Computer Operation Lesson No: 3 Hardware, Software and Printer

  2. Hardware, Software & printer Computer Architecture Hardware Software Input Process I/O Output System S/W Appli. S/W -Keyboard -Floppy -Monitor -Mouse - CD -Printer -Scanner - HD -Plotter Gen. Spe. Purpose Purpose -Word -Tally -Excel PowerPoint O/S -DOS Translators C.P.U -Unix -Windows Compiler Interpreter -C,COBOL -BASIC MU ALU CU

  3. Computer Peripherals

  4. Hardware, Software & printer • Computer Hardware : Set of physical component known as Hardware which are touchable, repairable and viewable. Input Device : A device with is used to enter data and instruction inside computer is known as input device. e.g. Keyboard, mouse, scanner Output Device : The device that gives us processed data or information is called Output device e.g. Monitor, Printer, Plotter • Software : Set of sequential instruction known as a Program. Set of program known as a Software Types of software • System S/W: O/S, Translators like Windows, Lenux • Application S/W : Word, Excel, Power point

  5. Hardware, Software & printer Types of Printer Line Printer Inkjet Laser Serial Printer DMP Daisy Wheel Printer Drum Printer Chain Printer

  6. Hardware, Software & printer Printer : Printer take the processed data or information from the computer and print it on paper there are variety of printer available now. Like, Line Printer, Serial Printer, Inkjet Printer, Laser Printer Line printer print a line per minute. Its measurement unit is LPM e.g. Drum Printer Serial printer prints a character per second . Its measurement unit is CPS e.g. Dot Matrix Printer

  7. Computer Hardware

  8. Computer Basic • Arraigning Windows • Creating & Renaming Folders • Creating Desktop Shortcuts • Creating & Saving Files • Copying File to A Different Location • Search & Delete File • Exploring Windows • Securing Files • Protecting Files on the Network

  9. Computer Basics To work on a computer you should know about its various devices and their functionality. This simulation will teach you the basics of the computer. It will familiarize you with the various hardware devices of the computer like mouse, keyboard, monitor, printer etc.

  10. A computer is an electronic device that automatically accepts stores manipulates data and gives the output.

  11. This is the keyboard. It's an input device through which you can key-in the information. It is the main communication tool for entering data into a computer. A computer keyboard looks very much like a typewriter keyboard but has extra keys for specific computer functions.

  12. This is the mouse again an input device. It is used to give instructions to the computer by way of clicking or double-clicking or dragging. It is moved around on the desk to control cursor movements draw or move text and other objects on the screen. It has buttons that are used to select options.

  13. Pressing left mouse button once is called clicking. Pressing left mouse button twice is called double-clicking.

  14. Moving the mouse while holding down the left mouse button is called dragging.

  15. This is the monitor. It is an output device. The monitor is a device with a screen where you see what you have typed-in and it is how the computer communicates with you. It is also called Visual Display Unit (VDU).

  16. Printer is the hardware device you need to produce "hard copy" or a printed-paper version of the information from the computer.

  17. Hard disk is a fixed disk installed inside the computer. It has very high capacity for storing information and is very efficient to use. For any serious work it is more practical to have a hard disk on your system and all new PCs now have them.

  18. These are various types of external storage devices. Disks are used for storage of computer-based data and programs. Most disks have a form of magnetic coating on which data is recorded. External disks can be carried around.

  19. Programs and data can be stored on floppy disks and then loaded into a computer for use. Because floppies are portable they are good for back ups and for moving data around -from home to office for example. There are two types available for the PC: 5.25" and 3.5". The smaller ones are more robust and have a higher storage capacity thus they are now much more common. Floppy disk drives have a slot into which a disk can be inserted.

  20. A CD can store very large amounts of data - up to several hundred megabytes -hundreds of times more than a floppy disk. It is used for storing large amounts of data that will never need to be changed. A CD-ROM is inserted into CD-ROM drive.

  21. Zip disk is also an external storage device. The zip disk stores data in compressed form thus can store a large volume of data. A Zip Disk is inserted into Zip drive.

  22. The microchip is the heart of computers that actually does the work. It is also known as the processor or CPU (central processing unit). It is installed on the motherboard inside the computer. There are different types of processors available in the market.

  23. This is the sound card. A sound card translates from digital data into analog sound and vice-versa. It can either be used to play sound that have already been recorded via speakers or it can be used to record sounds digitally on your computer either from a microphone or from some other audio source.

  24. Modem is both an input and output device. The word Modem comes from Modulator Demodulator. It is a hardware device that allows computers to be linked using telephone lines. A modem converts digital signals from computers into analog signals that can be sent down the telephone and then back again at the other end.

  25. This is the opening screen of Windows Me.

  26. Write Full Name o 1. CPU 2. RAM 3. ROM 4. CD-ROM 5. WORM 6. HDD 7. FDD

  27. This ends the current Simulation session.

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