When communication is in two directions but transmission is in one direction only at a time, we say that the transmission is: A. A video file B. A sound file C. A bit-mapped file D. A database file 1. A Simplex B. Full-duplex c. Uni-duplex D. Half-duplex Which one of the following terms commonly refers to a network where one computer provides shared resources to other computers? A A client-user B. Client-provider c. Server-client D. Client-server 3. Gaining access to some one's machine 11. Which of the following application without authorization for fun is known 9. Any system generally used for real time applications id known as A. An expert system B. An information system C. An information retrieval system D. An embedded system 10. It is a machine type which analogous fo parallel processing? A. RISC B. CISC C. SIMD D. MIMD 2. software packages is used fór representation? A. MS Power Point B. Ms Word GAMS Publisher D. MS Excel 12. The following transmission media are ranked in increasing order of their ransmission rate A. Optical fibres, UTP cables, Micro- Waves as: A. Scamming B. Cracking C. Hacking D. Spying 4. The differentiation of people nto computer illiterates and computer illiterates is known as A. Digital gap B. Computer literacy ine C. Modern technology gap D. Digital divide 5. It is a computer crime to A. Download any file Tröm the internet B. Copy someone eise's publication C. Opening a pomographic website D. Copying copyrighted material One negative effects of the digital divide is AIncrease in money laundry B. Rise in unemployment world wide C. Further impoverishment of the poor and under privileged people D. Hunger 7. It is NOTa measure for data security A. Looking up work premises after work B. Introducing logins and passwords C. Storing data in many places and copies D. Updating a database regularly 5. The file name VIEWER.WAV is a B. Optical fibres, Micro-waves, UTP cables C. Micro-waves, Optical fibres, UTP cables D. Micro-waves, UTP cables, Optical fibres 13. In a network topology E. A computer is connected to all other computers via internet F. A computer is connected to all other computers with the help of switches G.A computer is connected to each and every other computers directly H. A computer is connected to all other computers via the intermediary of some computers. 14. The protocol CSMA/CD is used in a A. Shared media B. Dedicated media C. Giga Ethernet (optical fibres)