Answer question 10, 11, 12 showing fully all the steps. Solution should be perfect(very correct), clear, brief and explicit enough! A. A video fileB. A sound fileWhen communication is in twodirections but transmission is in onedirection only at a time, we say thatthe transmission is:A SimplexB. Full-duplexc. Uni-duplexD. Half-duplexWhich one of the following termscommonly refers to a network whereone computer provides sharedresources to other computers?A. A client-user1.C. A bit-mapped fileD. A database file9. Any system generally used for real timeapplications id known ásA. An expert systemB. An information systemC. An information retrieval systemD. An embedded system10. It is a machine type which isanalogous fo parallel processing?A. RISCB. CISCC. SIMDD. MIMD2.B. Client-providerc. Server-clientD. Client-server3. Gaining access to some one's machine 11. Which of the following applicationwithout authorization for fun is knownsoftware packages is used fórrepresentatiön?A. MS Power PointB. Ms WordOMs PublisherD. MS ExcelThe following transmission media areranked in increasing order of theirtransmission rateA. Optical fibres, UTP cables, Micro-Wavesas:A. ScammingB. CrackingC. HackingD. Spying4. The differentiation of people ntocomputer illiterates and computerilliterates is known asA. Digital gapB. Computer literacy ineC. Modern technology gapD. Digital divide5. It is a computer crime toA. Download any file Trom the internetB. Copy someone else's publicationC. Opening a pomographic websiteD. Copying copyrighted materialOne negative effects of the digitaldivide isAIncrease in money laundryB. Rise in unemployment world wideC. Further impoverishment of the poorand under privileged peopleD. Hunger7. It is NOT a measure for data securityA. Looking up work premises after workB. Introducing logins and passwordsC. Storing data in many places andcopiesD. Updating a database regularly6. The file name VIEWER.WAV is aB. Optical fibres, Micro-waves, UTPcablesC. Micro-waves, Optical fibres, UTPcablesD. Micro-waves, UTP cables, Opticalfibres13. In a network topologyE. A computer is connected to allother computers via internetF. A computer is connected to allother computers with the help ofswitchesG.A computer is connected to eachand every other computers directlyH. A computer is connected to allother computers via theintermediary of some computers.14. The protocol CSMA/CD is used in aA. Shared mediaB. Dedicated mediaC. Giga Ethernet (optical fibres)

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