Part3 Practice on Text Task 1: Listening training Dictation of some key words Directions: You will hear some key words twice, most of which are taken from the Word Study. Then finish the Crossword Puzzle. ( See you book p. 2. Dictation of some key expressions Directions: You will hear some key expressions twice, most of which are taken from this text. Then you are asked to complete the missing words 1)by a_physical 4)collection_ofbytes 2)radiated energy source 5)a radio station 3)multibit message units 6)message exchange 2021/2/20 P.6
2021/2/20 P.6 Task 1: Listening training Dictation of some key words Directions: You will hear some key words twice, most of which are taken from the Word Study. Then finish the Crossword Puzzle. (See you book p. ) 2. Dictation of some key expressions Directions: You will hear some key expressions twice, most of which are taken from this text. Then you are asked to complete the missing words. @ Part3 Practice on Text 1) by a ____________wire 2) radiated_______________ 3) ___________message units 4) ______________of bytes 5) a radio______________ 6) message______________ physical energy source multibit collection station exchange
Task 2. Read. Write and Translate Read and Reply Directions: Students are required to read aloud the whole text after the teacher. Then give short answers to the following questions a) What is the information represented by in a digital communications channel? In a digital communications channel, the information is represented by individual data bits, which may be encapsulated into multibit message units b)What is a collection of bytes grouped into? A collection of bytes may itself be grouped into a frame or other higher-level message unit. c)Which allows simultaneous message exchange in both directions, a half-duplex channel or a full-duplex channel? A full-duplex channel allows simultaneous message exchange in both directions. 2021/2/20 P7
2021/2/20 P.7 Read and Reply Directions:Students are required to read aloud the whole text after the teacher. Then give short answers to the following questions: a) What is the information represented by in a digital communications channel? b) What is a collection of bytes grouped into? Task 2: Read, Write and Translate In a digital communications channel, the information is represented by individual data bits, which may be encapsulated into multibit message units. A collection of bytes may itself be grouped into a frame or other higher-level message unit. A full-duplex channel allows simultaneous message exchange in both directions. c) Which allows simultaneous message exchange in both directions, a half-duplex channel or a full-duplex channel?