4.ทคโนโลยีการรับส่งྺ้อมูลแบบไร้สาย
- 1. คําชี้แจง ใหนักเรียนเขียนคําตอบตอไปนี้ใหถูกตอง 1. ระหวางคลื่นอินฟราเรดและวิทยุคลื่นที่ใชในการสงตัวไหนสงใกลกวา พรอมอธิบาย ( 1 คะแนน ) ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ 2. ลักษณะคลื่นอินฟราเรด ( 1 คะแนน ) ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ 3. ลักษณะคลื่นวิทยุ ( 1 คะแนน ) ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ 4. ลักษณะคลื่นไมโครเวฟ ( 1 คะแนน ) ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ 5. ลักษณะคลื่นดาวเทียม ( 1 คะแนน ) ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ............................................................................................................................................................................ ใบงาน เทคโนโลยีการรับสงขอมูลแบบไรสาย1.4 ผูตรวจ คะแนนที่ได ชื่อ ....................................................... นามสกุล ...............................................ชั้น........... เลขที่ .......