Introduction to computer
- 2. What is computer Electronic device used to store, retrieve, and manipulate the data
- 3. Benefits of using computers Speed Accuracy Consistency Storage capacity and Flexibility
- 4. The Basic Components INPUT UNIT OUTPUT UNIT CPU ALU CONTROL UNIT MEMORY SYSTEM UNIT
- 5. Input devices: Keyboard Mouse Scanner Joystick
- 6. Output devices: Monitor Printer Plotter
- 7. Inside the CPU PROCESSO R MEMORY EXPANSION SLOTS
- 8. Inside the CPU Microprocessor Memory Bus Expansion slots
- 9. Microprocessor Performs numerical computations Logical comparisons Transfers data, addresses and control signals using buses
- 10. Memory To store the Data Instruction Intermediate and final results
- 11. BUS used to transfer the data’s interface between devices
- 12. Built-in programs The programs written in the ROM at the time of mother board manufacturing
- 13. To upgrade the PC Expansion Slot
- 14. Basic technical terms Hardware: Electrical Mechanical and Electronic parts Software: Instruction - what is to be done and how the work is to be done. program - Set of instruction Software - Set of interconnected program Firmware: Embedded software (hardware +software) A software written for an electronic device