EXAMII

EXAMII - CS 177 Fall 2010 Exam II - There are 25 single...

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CS 177 Fall 2010 Exam II ------------------------------------------------------------------------------ 1 There are 25 single choice questions. Each one is worth 4 points. The total score for the exam is 100. Answer the questions on the bubble sheet given. Fill in the Instructor , Course , Signature , Test , and Date blanks in the bubble sheet. For “Instructor” put your RECITATION INSTRUCTOR’S LAST NAME given in the table below . For “Course” put CS 177. For “Test/Quiz” put 02 . Fill in the bubbles that correspond to your name, section and Student ID in the bubble sheet. For your section number, use the SECTION NUMBER of your recitation section. Consult the following list: Sec Rec Time Rec Room Rec Instructor 0001 WED 08:30 BRNG 1242 Kazi Mohammad 0002 WED 09:30 LWSN 1106 Ruby Tahboub 0003 WED 10:30 LWSN 1106 Jin Yu 0004 WED 11:30 LWSN B134 Gnana Kiruba Surendra Kumar 0005 WED 14:30 LWSN 1106 Uzunbaz Serkan 0006 FR 07:30 LWSN B134 Ruby Tahboub 0007 FR 08:30 LWSN B134 Kazi Mohammad 0008 FR 11:30 CL50 129 Gnana Kiruba Surendra Kumar 0009 FR 13:30 BRNG 1230 Jin Yu 0010 FR 15:30 LWSN B134 Uzunbaz Serkan 0011 FR 16:30 HAAS G066 Uzunbaz Serkan For your student ID, use the 10 digit ID number on your student ID card. DO NOT USE YOUR SOCIAL SECURITY NUMBER! Exams without names will be graded as zero . Only the answers on the bubble sheet will be counted. The questions will be discarded. Remember to fill in also the fields on page 2.
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CS 177 Fall 2010 Exam II ------------------------------------------------------------------------------ 2 Recitation Section Number________________________________ Recitation TA’s Name________________________________ Student Last Name_________________________________ Student First Name_________________________________
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------------------------------------------------------------------------------ 3 Q1. The binary representation for 11 is 01011. How would you express -11 in binary using two’s complement notation? A) 10101 B) 11011 C) 10100 D) 11100 Q2. If a sound file has 194040 samples and a sampling rate of 22050.0, what is the approximate duration of the sound? A) 6 seconds B) 7 seconds C) 8 seconds D) 9 seconds Q3. Which of the following can cause clipping in a given sound? A) Decreasing the volume B) Increasing the volume C) Normalizing the sound D) None of the above. Q4. When increasing the amplitude of a sound, which of the following are true? (i) Positive values of the sound samples get larger (ii) Negative values of the sound samples get smaller (iii) Negative values of the sound samples get larger (iv) Positive values of the sound samples get smaller A) (iii) and (iv) B) (i) and (iii) C) (i) and (ii) D) None of the above
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EXAMII - CS 177 Fall 2010 Exam II - There are 25 single...

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