อ. กิตติศักดิ์ โชติกิติพัฒน์
DataProcessInformation Text Voice Image Video etc Calculate Sum Sort Merge etc Text Voice Image Chart etc
Computer Network Business E English Language
Computer ◦ Hardware Computer Architecture ◦ Software OS Application Tools Programming Database Tools etc ◦ Data/Information MIS,TPS,DSS,EIS, Databass, Warehouse, Mining ◦ Procedure SA, SE, Manual Network ◦ Data Communication OSI Protocol Server Service Computer Network ◦ Internet, Intranet ◦ Open Platform ◦ Interoperability ◦ Parallel System ◦ Distributed System
Business ◦ Business Function ◦ Organization ◦ Marketing ◦ Accounting ◦ HR ◦ Sale ◦ etc + TPS MIS DSS EIS CRM etc
CPU CU ALU Memory RAM ROM Output Monitor Printer Input Mouse Keyboard Light pen Digitizer Tough Pad Secondary Hard disk CD-ROM Handy Drive Disk Memory Card
mili (m) = x 1/10 3 Micro (µ) ) = x 1/10 6 Nano (n) ) = x 1/10 9 Pico(p) ) = x 1/10 12 ความจุ = B (Byte) ความเร็ว = bps (bit/sec) ความถี่ = Hz (Hertz) Kilo (K) ) = x 10 3 Mega (M) = x 10 6 Giga (G) = x 10 9 Terta (T) = x Peta (P) = x 10 15
ปัญหา + ความรู้ = ปัญญา ปัญญา + การปฏิบัติบ่อย ๆ = ทักษะและ ความชำนาญ