Topic-005: Evaluation Criteria for the Course The standard evaluation criteria of the university will be used for the course. There will be quizzes, assignments, Graded Discussion Board (GDB), midterm and final-term exams covering all the important topics of the course. Transcription will also bean important part of the evaluation. Topic-006: Introduction to Vowels and Consonants Human sounds are divided into two broad categories consonants and vowels. A consonant is a speech sound in which air is at least partly blocked whereas vowel is a sound in which there is no obstruction found and the air passes through the cavity freely. Moreover, a consonant is classified in terms of the places and manners of articulation and voicing whereas a vowel is classified in terms of the position of tongue, the part of tongue and lip-rounding. Vowels are further classified in terms of pure vowels (monophthongs) and diphthongs.
