ĐIỆN tử VIỄN THÔNG DTVT2 nhom1 bai8 khotailieu

NHÓM – LỚP Đ8-ĐTVT - LƯƠNG NGỌC LONG - HỒNG NGỌC TRUNG - HỒNG THỊ LINH - NGƠ ANH TUẤN - PHÙNG THỊ QUỲNH - PHẠM TRỌNG HOAN MSV: 1381510142 MSV: 1381510176 MSV: 1381510140 MSV: 1381510179 MSV: 1381510165 MSV: 1381510127 Lesson : Graphs Task 1: 1983- 1984: sales of singles rose slightly 1986- 1988: there was a steady fall in sales of singles 1988- 1989: sales of singles rose slightly Task 2: Cassettes 1983- 1986: sales of cassettes rose fast Cassettes 1989- 1990: there was a steady drop in the sale of LPs 1983- 1988: sales of LPs fell gradually LPs 1988- 1990: sales of LPs went down steadily CDs 1983-1984: sale of CDs rose slightly CDs 1984-1985: There was a gradual rise in the sale of CDs CDs 1985-1986:There was a steady rise in the sale of CDs CDs 1986-1990:Sales of CDs rose fast Task 3: CDs and LPs 1986-1988: Sales of CD rose steeply , but sales of LPs fell gradually As sales of CDs rose , sales of LPs fall CDs and cassettes 1986-1988: Sales of CDs rose steeply while sales of cassettes rose steadily As sales of CDs rose , sales of cassettes rose Singles and CDs 1983-1984: Sales of singles went up slightly while sales of CDs rose slightly As sales of CDs rose , sales of singles went up Cassettes and LPs 1983-1986 : Sales of cassettes rose steeply but sales of LPs fell gradually As sales of cassettes rose , sales of LPs fell Singles and LPs 1989-1990: Sales of singles fell slightly while sales of LPs went down steeply As sales of singles fell , sales of LPs went down Copyright belong to nhom Task 4: - CDs 1983-1990 sales of CDs rose because it gives near-perfect reproduction of sound and sound quality doesn’t deteriorate with use and some of the problems are eliminated - LPs 1983-1990 sales of LPs decreased because it is easily damaged and have some problems , recording time short - Cassettes 1983-1989 sales of cassettes increased because the sound quality is as good as CDs and can be re-recorded but sales of cassettes in 1989-1980 decreased because recording time short Task 5: Process Record Rectify Conduct Supress Dissipate Emits Sampling Task 6: Rise slightly A steeply rise fast Rise A slight decrease Went down gradually A steep decrease Copyright belong to nhom