Basic Computer Architecture and Programming Languages.

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Presentation transcript:

Basic Computer Architecture and Programming Languages

A typical computer CPU (ALU + CU) Input Output Memory Keyboard Mouse Joystick Stylus Monitor Printer Projector Primary, Secondary & fixed, portable

Hardware and Software Hardware –Whatever we see physically –Input Devices: Keyboard, Mouse, Scanner, Stylus, Touch Screen, Joy Stick ( Reading in) –Output Devices – Monitor, LCD Projectors, Printers ( sending out) –Printers: DOT MATRIX, Inkjet, LaserJet, Line Printers (Lipi) –Memory: Primary and Secondary

Hardware Contd.. Hardware –Primary Memory: RAM and ROM(WORM) Static and Dynamic RAM PROM, EPROM, EEPROM/EAPOM –Secondary Memory Fixed and Movable Magnetic tapes, hard disks, floppy disks, Compact disks, Digital Versatile Disks, Flash Drives

Joysticks:

Scanners

Barcode reader

Monitors

Printers..

Tape Drives

Floppy Disks

Hard Disks

Hard Disks..

Flash Drives, CD and DVD

Software –Lines of code –System Software and Application Software –Open Source and Proprietary Software –Source License and Binary License –Languages Natural – Languages in which we speak Artificial –Artificial Machine Level Assembly Level High Level Which Language to Learn?

Criticality of an Application Science – Solve a problem using computer Commercial – Payroll management OLTP – Ticketing Reservation Systems Process Control Applications – Boiler Pressure Control System Satellite Communication