डाटा एक्सेस करने की विधियाँ (Data Storage and Retrieval Methods- Sequential, Direct and Index Sequential). प्रिंटर और उसके प्रकार (Printers and its Types) Impact and Non-Impact printer, Dot Matrix, Inkjet, Laser.मॉनिटर (Monitors)- Characteristics and types of monitor, Size, Digital, Analog, Resolution, Refresh Rate, Interlaced/Non-Interlaced, Dot Pitch.इनपुट डिवाइस (Input Devices): Keyboard, Mouse, Trackball, Joystick, Scanners, Digitizing tablet, Digital Camera, MICR, OCR, OMR, Light pen, Barcode & Barcode Reader, Quick Response Code (QR Code), Voice Recognition, Touch Screen.Personal Computer (PCs-evolution of PCs, configurations of PCs, Pentium and Newer, PCs specifications and main characteristics, Types of PCs- Desktop, Laptop, Notebook, Palmtop, PDA etc.कंप्यूटर के प्रकार (Types of computers) – Analog& Digital & Hybrid Computers, General & Special Purpose computers, -Micro,Mini, Main frame and Super computers, Characteristics and area of Uses.मेमोरी क्या हैं और मेमोरी के प्रकार (Memory – RAM, ROM, EPROM, PROM and other types of memory, Capabilities and limitations).कंप्यूटर के तत्व (Components of a computer system) – Control unit, ALU, Input / Output, Memory Mother Board. COMPUTERS FUNDAMENTALS DCA 1st Semester Notes UNIT I –
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