Yonel Cadapan

tvl ict tle grade 9 computers education deped ict 9 module 3 computer systems computer hardware servicing module 4 installation lesson 1 safety precautions operating system ohs chs pc diagnosing peripherals electricity diagnosing network diagnosing computer systems computer system errors os errors computer errors pre-assessment performance standard content standard introduction hardware testing software testing lesson 3 bios drivers configuration windows 7 windows xp hardware components ppe testing devices equipment tools materials network medical devices system specification module 2 environment and market module 1 pecs