Microcomputer Troubleshooting 053

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Bangladesh Open University Diploma in Computer Science and Application Program 053 Term(3rd Semester) Examination,2005 Course: Microcomputer Troubleshooting (DCSA 3302) Full marks: 20 Time: 20 Minutes Objective Type Question (N.B.- All questions carry equal marks) Tick the correct answer Question 1. In computer, bus is a a. human carriage b. expansion slot c. motherboard d. set of wire. Answer : Question 2. Key board is a a. handy optical device b. handy output device c. handy input device d. optical input device. Answer : Question 3. The following one is an optical input device a. monitor b. light on c. scanner d. printer. Answer : Question 4. OCR is a a. game b. program language c. software package d. hardware. Answer : Question 5. Monitor image is refreshed at least a. 1 time/sec b. 50 times/sec c. 60 times/sec d. 100 times/sec. Answer : Question 6. Ink jet printer is a a. impact printer b. non-impact printer c. dot matrix printer d. laser printer. Answer : Question 7. LCD is a type of a. printer b. ploter c. display d. input device. Answer : Question 8. The power supply unit a. generates power b. consumes power c. stores power d. translates power. Answer : Question 9. Booting means a. shut down the computer b. running application software c. starting the computer d. loading the operating system in memory. Answer : Question 10. A PC has driver programme a. key board b. floppy disk driver c. printer d. power supply unit. Answer : Question 11. Many problem are happened because of a. proper connection b. improper connection c. AC connection d. PC connection. Answer : Question 12. Computer virus is a a. animal b. hardware c. program d. none of the above. Answer : Question 13. To write in CMOS configuration you should press a. F1 b. Spacsbar c. Enter d. Del. Answer : Question 14. The software used to partition a hard disk drive is a. FDISK b. FORMAT c. SYS d. XCOPY. Answer : Question 15. The data cable has a. 4 wires b. 8 wires c. 34 wires d. 40 wires. Answer : Question 16. If the data cable is connected in the opposite direction then a. the drive sounds b. the drive makes no trouble c. the drive damaged d. the drive light continuously glow. Answer : Question 17. Most mice are a. optical b. electromagnetic c. mechanical d. thermal. Answer : Question 18. Duty cycle of hand disk drive motor is a. 1% b. 33% c. 66% d. 100%. Answer : Question 19. Which ont is corrosive agent? a. Head b. Electromagnetic interface c. Water d. Power noise. Answer : Question 20. Which one of the following device dose not cause of magnetic interface? a. Electric motor b. Sterio speaker c. Key board d. Monitor. Answer : Question 21. Keeping the PC turned on all the time is good if the PC never crosses a. 500 F b. 800 F c. 1000 F d. 1250 F. Answer : Question 22. Laptop computers use a. SIMM b. DIMM c. PCMCIA memory d. SDRAM. Answer : Question 23. Which one is used for scoring examination? a. MICR b. OMR c. OCR d. none of the above. Answer : Question 24. CRT monitor produce image by a. Laser beam b. Electron beam c. Light beam d. Ink jet. Answer : Question 25. Greatest resulation monitor is a. CGA b. EGA c. VGA d. SVGA. Answer : Question 26. The maximum printing speed by printer is a. 150 character per second b. 20000 character per second c. 50000 character per second d. 50000 character per minute. Answer : Question 27. Operating remains in memory a. only during start up b. always c. only during running a program d. only end task. Answer : Question 28. An examination of image file extension is a. EXE. b. DOC. c. BMP. d. INI. Answer : Question 29. The ROM based diagnostics software needs a. monitor b. key board c. RAM d. hard disk. Answer : Question 30. The unit of CPU speed is a. bit b. KB c. MHz d. Byte. Answer : Question 31. Expansion slot is a. where printer is connected b. where motherboard is connected c. where bus is connected d. Where circuit boards are connected. Answer : Question 32. LCD is used in a. desk-top computers b. laptops c. laser printers d. mouse. Answer : Question 33. The twisted end of cable is connected with a. Drive:A b. Drive:B c. Drive:C d. mother board. Answer : Question 34. A sector consist of many a. hard disks b. platters c. tracks d. bytes. Answer : Question 35. Which of the following is a multi-user operating system? a. MS-DOS b. BIOS c. Unix d. Windows. Answer : Question 36. The hard disk rotates a. only when data is read b. only when data is written c. always when the hard disk is on d. always even the power is off. Answer : Question 37. The main memory of a PC is a. ROM b. RAM c. hard disk d. CD-ROM. Answer : Question 38. Now-a-days inn the clones the disk controller a. the disk controller card b. the mother board c. the floppy disk drive d. the processor. Answer : Question 39. VGA mode support resulation is a. 640x350 b. 1024x768 c. 640x480 d. 640x256. Answer : Question 40. Cooling fan should be used with a. keyboard b. computer operator c. printer d. power supply unit. Answer :

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