computer fundamental

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Computer Fundamental, Generation, Types, Conmpentancy

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Computer Fundamental : 

Computer Fundamental By Atul Mahankal (+91-996781952) Saturday, October 02, 2010 Computer Fundamentals

Meaning : 

A Computer is a device that allows you to input data, process data quickly and efficiently, receive outputs and store data. Thus a computer consists of one or more input devices, output devices, store devices and processing unit. Saturday, October 02, 2010 Computer Fundamentals Meaning

Advantages : 

Speed Accuracy Storage Capacity Consistency/Diligence Saturday, October 02, 2010 Computer Fundamentals Advantages

Limitation : 

Can not think it self Task to be describe in detail Can not learn form experience Wrong information provided result also wrong Saturday, October 02, 2010 Computer Fundamentals Limitation

Generation Of Computer : 

First Generation (1940-1956) Use of vacuum tubes Big & Clumsy High Electricity Consumption Programming in Mechanical Language Larger AC were needed Lot of electricity failure occurred Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer Continue…

Generation Of Computer : 

Second Generation (1956-1963) Transistors were used Core Memory was developed Faster than First Generation computers First Operating System was developed Programming was in Machine Language & Aseembly Language Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer Continue…

Generation Of Computer : 

Second Generation (1956-1963) Magnetic tapes & discs were used Computers became smaller in size than the First Generation computers Computers consumed less heat & consumed less electricity Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer Continued…

Generation Of Computer : 

Third Generation (1964-1971) Integrated circuits developed Power consumption was low SSI & MSI Technology was used High level languages were used Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer

Generation Of Computer : 

Fourth Generation (1971 onwards) LSI & VLSI (Very Large Scale Integration) Technology used Development of Portable Computers RAID Technology of data storage Used in virtual reality, multimedia, simulation Computers started in use for Data Communication Different types of memories with very high accessing speed & storage capacity Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer

Generation Of Computer : 

Fifth Generation (Present & Beyond) Used in parallel processing Used superconductors Used in speech recognition Used in intelligent robots Used in artificial intelligence Saturday, October 02, 2010 Computer Fundamentals Generation Of Computer

Types of Computer : 

Microcomputer: It is small in size but capable of handling large tasks. Minicomputer: It can very in size from a small desktop model to the size of a small filling cabinet. Mainframe Computer: It is more powerful & large in size. Super Computer It is largest, fastest and most expensive computer. Saturday, October 02, 2010 Computer Fundamentals Types of Computer

Computer Competency : 

Hardware The hardware consist of all devices of the computer that you can see and touch. These include input, processing and output devices. Software The software is sets of instruction that control the working of the computer’s operations Super Computer Data (text, Audio, Video, Graphics) Data consists or raw facts and figures which manipulates and processes into meaningful information. Users A User is a person who uses the computer externally with a specific objective. Saturday, October 02, 2010 Computer Fundamentals Computer Competency

Computer Competency : 

Computer Competency Saturday, October 02, 2010 Computer Fundamentals

Input Device : 

Collect Date, Information Convert Into machine language Send to CPU E.g. Keyboard Mouse Scanner Mic Saturday, October 02, 2010 Computer Fundamentals Input Device

Output Device : 

Receive from CPU Convert into Human Language Send to User E.g.. Monitor Printer Speaker Saturday, October 02, 2010 Computer Fundamentals Output Device

Type of Keyboard : 

Traditional Keyboard Argonic Keyboard Wireless Keyboard Flexible Keyboard Saturday, October 02, 2010 Computer Fundamentals Type of Keyboard

Types of Key’s : 

Alphabetic keys a-z Numeric keys 0-9 Alpha Numeric Keys !-) Navigation Keys Arrows, End, Home Page Up, Page Dn Functional Keys F1-F12 Combination Keys Shift, Alt, Ctrl Toggle Keys Num Lock, Scroll Lock, Caps Lock Special Keys Saturday, October 02, 2010 Computer Fundamentals Types of Key’s

Type of Mouse : 

Mechanical Mouse Optical Mouse Wireless Mouse Saturday, October 02, 2010 Computer Fundamentals Type of Mouse

Type of Monitor : 

CRT (Cathode Ray Tube) Monitor LCD (Liquid crystal Display) Monitor Saturday, October 02, 2010 Computer Fundamentals Type of Monitor

Monitor Resolution : 

SVGA (Super Video Graphic Array) 800 X 600 Pixels 15” Monitor XGA (Extended Graphic Array) 1,024 X 768 Pixels 17” To 19” SXGA (Super Extended Graphics Array) 1,280 X 1,034 Pixels 19” To 21” UXGA (Ultra Extended Graphics Array) 1,600 X 1,200 Pixels Above 21” Saturday, October 02, 2010 Computer Fundamentals Monitor Resolution

Type of Printer : 

Impact Printer (printing with hammering) Daze wheel printer Dot Matrix Printer Non Impact Printer (printing without hammering) Ink-Jet Printer Laser Printer Saturday, October 02, 2010 Computer Fundamentals Type of Printer

Slide 22: 

Saturday, October 02, 2010 Computer Fundamentals

Memory Unit : 

Memory Unit Saturday, October 02, 2010 Computer Fundamentals

Memory : 

ROM Floppy Disk  RAM CD  Hard Disk Pen Drive  Saturday, October 02, 2010 Computer Fundamentals Memory

Binary System : 

Binary System Saturday, October 02, 2010 Computer Fundamentals 0/1 1 Bit 4 Bit 1 Nibble 8 Bit 1 Byte 1 Character 1 Byte 1 Space 1 Byte 1 Enter/Paragraph 2 Byte Computer Fundamentals Continue…

Storage Size : 

Storage Size Saturday, October 02, 2010 Computer Fundamentals 1024 Byte 1 Kilo Byte (KB) 1024 KB 1 Mega Byte (MB) 1024 MB 1 Giga Byte (GB) 1024 GB 1 Terabyte (TB) Computer Fundamentals …Continued

Storage Size : 

Storage Size Saturday, October 02, 2010 Computer Fundamentals RAM 64 MB, 128 MB, 256 MB, 512 MB, 1 GB, 2 GB, 4 GB Hard Disk 2 GB, 10 GB, 20 GB, 40 GB, 80 GB, 160 GB, 320 GB, Floppy 1.44 MB CD 700 MB DVD 4.7 GB Pen Drive 1 GB, 2 GB, 4 GB Computer Fundamentals

Software : 

Software Saturday, October 02, 2010 Computer Fundamentals System Software Operating System Utility Disk Cleanup Disk Defragmenter Uninstaller Antivirus Device Driver Application Software Computer Fundamentals

Operating System : 

Operating System Saturday, October 02, 2010 Computer Fundamentals