8. A is approximately one billion bytes a. Kilobyte b. Bit c. Gigabyte d. Megabyte 9. SMPT, FTP and DNS are applications of the layer a. Data link b.

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1 SET All of the following are examples of real security and privacy risks except a. Hackers b. Spam c. Viruses d. Identity theft 2. A(n) --- system is a small, wireless handheld computer that scans items, tags and pulls up the current price 9and any special offer) as you shop a. PSS b. POS c. Inventory d. Data mining 3. Which of the following is not one of the four major data processing functions of a computer a. Gathering data b. Processing data into information c. Analyzing the data or information d. Storing the data or information 4. Computers use the --- language to process data a. Processing b. Kilobyte c. Binary d. Representational 5. Computers process data into information by working exclusively with a. Multimedia b. Words c. Characters d. Numbers 6. The term bit is short for a. Megabyte b. Binary language c. Binary digit d. Binary number 7. A string of eight 0s and one 1s is called a a. Megabyte b. Byte c. Kilobyte d. Gigabyte

2 8. A is approximately one billion bytes a. Kilobyte b. Bit c. Gigabyte d. Megabyte 9. SMPT, FTP and DNS are applications of the layer a. Data link b. Network c. Transport d. Application 10. In a database, information should be organized and accessed according to which of the following a. Physical position b. Logical structure c. Data dictionary d. Physical structure 11. A --- is not a form of biometrics a. Fingerprint b. Password c. Retina scan d. Breath scan 12. References to each file on a disk are stored in a a. File allocation table b. Root allocation table c. Linking directory d. Root directory 13. Buffering in printers is necessary because a. Computer is fast in generating data for printing then printer can print it b. There is not enough memory provided with printers c. It is only because to make printer work for more years d. Both 1 and Assembly instructions are in the form of a. Binary digits b. In digits and numbers c. In general English d. In a new format different from all the above 15. Airlines reservation system is a typical example of a. Batch processing b. On-line processing c. Real time processing

3 d. All of the above 16. Which of the following memories below is often used in a typical computer operation a. RAM b. ROM c. FDD d. HDD 17. Which of the following is not a logic gate a. AND b. OR c. NOT d. NAT is the part of the computer that you can physically touch a. Hardware b. A device c. A peripheral d. An application 19. The difference between people with access to computers and the internet and those without this access is known as the a. Digital divide b. Internet divide c. Web divide d. Broadband divide 20. DSL is an example of a(n) --- connection a. Network b. Wireless c. Slow d. Broadband is the study of molecules and structures whose size ranges from 1 to 100 nanometers a. Nano science b. Microlectrodes c. Computer forensics d. Artificial intelligence 22. is data that has been organized or presented in artificial intelligence a. A process b. Software c. storage d. information 23. the name for the way with which computers manipulate data into information is called a. programming b. processing

4 c. storing d. organizing 24. computers gather data, which means that they allow users to data a. present b. input c. output d. store 25. after a picture has been taken with a digital camera and processed appropriately, the actual print of the picture is considered --- a. data b. output c. input d. the process 26. all of the following are examples of input devices except a a. scanner b. mouse c. keyboard d. printer 27. all of the following are examples of output devices except a a. scanner b. speaker c. CD d. Printer 28. The CPU and memory are located on the a. Expansion board b. Motherboard c. Storage device d. Output device is a set of computer programs used in a computer to help perform tasks a. An instruction b. Software c. Memory d. A processor 30. A --- is approximately a million bytes a. Gigabyte b. Kilobyte c. Megabyte d. Terabyte 31. In the URL the portion lebelled http is the a. Host

5 b. Domain name c. Protocol d. Top-level domain 32. In a database a field is a a. Lable b. Table of information c. Group of related records d. Category of information 33. The number of pixels displayed on a screen is known as the screen a. Resolution b. Colour depth c. Refresh rate d. Viewing size 34. A repair for a known software bug, usually available at no charge on the internet, is called a(n) a. Version b. Patch c. Tutorial d. FAQ 35. The time it takes a device to locate data and instructions and make them available to CPU is known as a. Clock speed b. A processing cycle c. CPU speed d. Access time 36. Which of the following is the correct order of the four major functions of a computer a. Process, output, input, storage b. Input, output, process, storage c. Process, storage, input, output d. Input, process, output, storage 37. A byte can hold one of data a. Bit b. Binary digit c. Character d. Kilobyte 38. The operating system is the most common type of software a. Communication b. Application c. System d. Word-processing software

6 39. are specially designed computers that perform complex calculations extremely rapidly a. Servers b. Supercomputers c. Laptops d. Mainframes 40. The two broad categories of software are a. Word processing and spreadsheet b. Transaction and application c. Windows and Mac OS d. System and application 41. is the result produced by a computer a. Data b. Memory c. Output d. Input 42. The human-readable version of a program is called a. Source code b. Program code c. Human code d. System code 43. A --- is approximately a thousand bytes a. Gigabyte b. Kilobyte c. Megabyte d. Terabyte 44. The desktop contains small graphics called a. Windows b. Logos c. Icons d. Pictures 45. Which key is used in combination with another key to perform a specific task a. Function b. Control c. Arrow d. Space bar 46. Which not a good web security strategy a. Restrict access to the web server, keep a minimum number of ports open b. Limit the users who can load software, edit or add files c. Add demo programs, so users can test system without accessing production data d. Remove unnecessary compilers and interpreters

7 tags, when placed on an animal, can be used to record and track in a database all of the animals movements a. POS b. RFID c. PPS d. GPS 48. Smaller and less expensive PC-based servers are replacing --- in many business a. Supercomputers b. Clients c. Laptops d. Mainframes 49. The binary language consists of --- digits a. 8 b. 2 c. 1,000 d All of the following are basic principles of networks, except a. Each computer must have a network card b. There must be communication media connecting the network and hardware devices c. There must be at least one connecting device d. Each computer must have software that supports the movement of information Answer Key