ISLAMABAD ACADEMY MZD Pre-Board Test Session (2015-16) Class Paper Type Chapter/course Total Marks Time 1 st year Computer Subjective Chapter 03 40 1:50 hrs Q .2: Give the short Answer. (2x12=24) i.Define data communication? Enlist the components of data communication. ii.Define signal. Differentiate between analog and digital signal. iiiHow data is represented in a computer?iv. Why “Encoding of Data” is important?v Describe ASC11 code. vi.What do you mean by mode of data communication?viiDescribe Full Daplex mode. Give examples. iDefine “bandwidth”. Explain its types. ixDescribe a twisted Pair cable. xWhat is a Modem? What do you mean by transmission rate of a Modem?xi.Describe internal Modem. xii.What is a satellite? Give its one advantage and one drawback. Long Questions.(8x2=16)Q. 3:Write a note on unguided media. Q.4:What do you mean by data transmission? Explain its types. vii Best Of Luck ======================================================= ISLAMABAD ACADEMY MZD Pre-Board Test Session (2015-16) Class Paper Type Chapter/course Total Marks Time 1 st year Computer Objective Chapter 03 10 10 min Name: Roll No. Q . 1: Choose the correct answers.
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- Twisted pair, Coaxial cable, Transistor radio, ISLAMABAD ACADEMY MZD