Lesson No: 3
Hardware, Software and Printer
Hardware, Software and Printer
Computer Architecture
Hardware Software
-Keyboard -Floppy -Monitor
-Mouse - CD -Printer -Scanner - HD -Plotter
Input Process I/O Output System S/W Appli. S/W
C.P.U
MU ALU CU
O/S
-DOS Translators
Gen. Spe. Purpose Purpose -Word -Tally -Excel
PowerPoint
-Unix
-Windows Compiler Interpreter
Computer Peripherals
S P E A K E R C P U
M ON ITOR
WE B C A M E R A
S P E A K E R
P RINTER
K E Y B OA R D M OU S E
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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
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Software :
Set of sequential instruction known as a Program. Set of program known as a SoftwareTypes of software
1. System S/W: O/S, Translators like Windows, Lenux 2. Application S/W : Word, Excel, Power point
Types of Printer
Line Printer Serial Printer
DMP Daisy Wheel Printer Chain Printer
Drum Printer
Laser Inkjet
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
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Computer Basic
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Arraigning Windows
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Creating & Renaming Folders
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Creating Desktop Shortcuts
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Creating & Saving Files
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Copying File to A Different Location
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Search & Delete File
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Exploring Windows
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Securing Files
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.
This is the keyboard. It's an input device through which you can key-in the information. It is the main communication tool for
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
Pressing left mouse button once is called clicking.
Moving the mouse while holding down the left
mouse
This is the monitor. It is an output device. The monitor is a device with a
Printer is the hardware device you need to produce
"hard copy" or a printed-paper version of the
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
These are various types of external storage devices.
Disks are used for storage of computer-based data and programs.
Programs and data can be stored on floppy disks and then
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
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.
Write Full Name o
1. CPU
2. RAM
3. ROM
4. CD-ROM
5. WORM
6. HDD
