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Downloading - Curriculum Development Centre, Kalamassery

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Course Title : DIPLOMA IN COMPUTER APPLICATIONSCourse Code : KGTE – STEP 02Duration : 1 YearPeriods/week : 250Total Marks : 200TIME SCHEDULEModule Topic HrsI Introduction To Computer Systems 30II Operating Systems 60III Office Software 60IV Internet, E-mail & PC Maintenance 40V Malayalam Computing 60Total 250Theory : 100 hoursPractical 150 hoursCOURSE CONTENTSModule IINTRODUCTION TO COMPUTER SYSTEMSCharacteristics of Computers- History of Computers- Evolution of Computers- Generations ofComputers- Micro, Mini, Mainframe , Super Computers- Desktops , Laptops, PDA etc.Components of Computer system – hardware, software- Hardware Block diagram- HardwareComponents – Input, Output, Memory, ALU, Control Unit – Processing Unit- MicroprocessorFamiliarisation of various input devices – Keyboard, mouse - optical mouse, Joy stick, OMR,Trackball, Bar Code Reader, Smart Card Reader- scanner etc.Memory elements – Primary memory, Secondary memory- RAM, ROM, Random Access &Sequential Access- Read only Memory & Read-Write Memory- ROM, PROM, EPRO,EEPROM, SRAM, DRAM,RAM, DDR - Unit of Memory - Bit, Byte, KB, MB, GB, TB,Cache Memory -L1,L2, L3 Cache.Secondary Storage – Magnetic & Optical –Floppy Disk, Hard Disk- Magnetic Tape, CompactDisk (CD, CDROM, CDR, CDRW), DVD, Thumb Drive, SD Cards ( Micro, Mini, HDSD) (characteristics and capacity)Output Devices – Monitors – CRT, LCD, LED – Resolution, dot pitch, frame rate- LCDProjectors, Printers – Impact &Non impact Printers – Dot Matrix printer, Inkjet printer, Laserprinter, Thermal printer – Hard Copy & Soft Copy - Audio OutputSoftware Components : System software- Application Software – Machine language,Assembly Language , High level language – instruction, program- Translators, editors,compilers & interpreters, Linker, loader- Operating system – proprietary, open source, freesoftware19

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