COMPUTER APPLICATIONS QuesBnk

Transcription

1 1. occurs when data transmission is at a variable rate of speed in which special signals indicate the start and end of a transmission. A. Automatic insertion B. Asynchronous transmission C. Differential transmission D. Algorithmic transmission 2. is a system designed to set aside a large amount of memory to hold data so that it can be accessed quickly. A. Cache B. Reserve C. Buffer D. Bus 3. is a single binary digit. A. Bit B. Byte C. Bus D. Pica 4. is the first 640K of memory on a DOS-based computer. A. Extended memory B. Expanded memory C. Conventional memory D. Upper memory 5. A contains one character of data. A. Bus B. Bit C. Byte D. CPM 6. is approximately a billion bytes, but precisely 1024 megabytes. A. Gigabyte B. Kilobyte C. Centibyte D. Millibyte 7. is a business computer language because of its transportability and focus on solving business-oriented problems. A. Pascal B. dbase C. BASIC D. COBOL 8. is a program that converts other programs into machine language before they are executed. A. Control Unit

2 B. Compiler C. Central Processor D. Concentrator 9. is the primary programming language used for developing PC applications. A. C++ language B. Pascal language C. VRML language D. JAVA language 10. PCI is the acronym for. A. personal communication interface B. peripheral component interconnect C. peer conference interface D. paired communication interlace 11. is a collection of data that provides data access to all applications and users with minimal redundancy. A. Database B. Spreadsheet C. Word Processed Document D. Desktop Publishing Document 12. Which of the following is not directly associated with networking computers? A. Shielded twisted pair B. RJ45 C. Token D. PCP/TC 13. is a choice from a series of options that is preselected by a program. A. Premonition B. Default C. Preselection D. Null 14. is a computer installation that typically handles the computing needs of several dozen to hundreds of users simultaneously. A. Mainframe B. Minicomputer C. Microcomputer D. Masscomputer 15. Which of the following are text output commands for C++ Programming? A. PRINT and LPRINT B. WRITE and WRITELN C. COUT and PRINTF D. CIN and OUTPUT

3 16. is an operating system that was based on use of disk drives. A. Windows B. UNIX C. BeOS D. DOS 17. is a graphical method of accessing information on the Internet. A. Gopher B. FTP C. Telnet D. World Wide Web 18. is an early high level language especially designed for scientific applications. A. FORTRAN B. DELPHI C. BASIC D. COBOL 19. is the process of providing data to the computer or a system. A. Output B. Process C. Input D. Feedback 20. When an I/O device such as a serial port or modem is not enabled during startup, what is the cause? A. Corrupted memory B. Failed BIOS C. Lost clusters D. Monitor burnout 21. You have a system with one EIDE drive. You connect a second EIDE drive to the same cable as the first drive, set it to slave, and apply power. The original drive auto-detects, but not the new one. What could be the problem? A. The CMOS is loose B. The LBA or E-CHS is not active C. The master drive has a separate "single-drive" setting. D. There is no power to the master drive 22. Which statement is true regarding SCSI termination? A. Only drives must be terminated B. Only adapters must be terminated C. No termination is necessary D. Both ends of the chain must be terminated 23. is approximately 1000 bytes, but precisely 1024 bytes. A. Megabyte B. Kilobyte

4 C. Centibyte D. Millibyte 24. is a group of interconnected computers located within a limited geographic region. A. Ethernet B. Wide area network C. Local area network D. TCP 25. is approximately 1,000,000 bytes, but precisely 1,048,576 bytes. A. Megabyte B. Kilobyte C. Centibyte D. Millibyte 26. The major advantage of using flash ROM is. A. you can upgrade BIOS without replacing the chip B. you do not have to re-load the operating system C. hard drives are protected D. memory capacity is increased 27. is an operating system that was designed specifically for use with mainframe systems based on RISC processor. A. WindowsNT/2000 B. LINUX C. WindowsCE D. UNIX 28. is a connector for wiring computers and equipment together for serial data transmission. A. USB B. SCSI C. PS/2 D. RS is a computer that is designed for a single user. A. Mainframe B. Minicomputer C. Microcomputer D. Masscomputer 30. External modems are usually connected to a(n)? A. SCSI port B. LPT port C. Serial port D. Parallel port 31. Installing a floppy cable backwards will?

5 A. destroy the floppy drive B. cause the controller card to fail and require replacement C. cause the system to lock up D. render the drive inoperable but cause no damage 32. is a computer that is designed to handle the computer needs of several people. A. Mainframe B. Minicomputer C. Microcomputer D. Masscomputer 33. Printer, plotter, and monitor are all examples of devices. A. input B. processing C. storage D. output 34. Mouse, keyboard, and scanner are all examples of devices. A. input B. processing C. storage D. output 35. When power is restored after a power outage, what should you do to protect your system? A. Disconnect the CRT B. Close all programs C. Turn off the power D. Unplug all power cords 36. CDROM, Hard disk, and Zip drive are all examples of devices. A. input B. processing C. storage D. output 37. What is the first step to safely service a laser unit? A. Unplug the unit B. Check the paper feed C. Inspect the mechanism D. Check for power 38. is the specifications that define the technical requirements to transmit data. A. Protocol B. Parity C. Pseudocode D. Schema

6 39. Electrostatic discharge occurs when objects? A. are ungrounded B. have dissimilar electric potential C. are in a humid environment D. are removed from their protective bags 40. MMX capability enhances? A caching speed B. floppy disk transfer C. multimedia D. media mix execution 41. is the transmission of data bits simultaneously. A. Serial B. USB C. PS/2 D. Parallel 42. One reason for an incorrect time/date setting could be? A. low power supply voltage B. low CMOS battery C. low disk space D. a bad UPS 43. is the transmission of data bits bit-by-bit. A. SCSI B. Parallel C. PS/2 D. Serial 44. On a laser printer, the laser beam? A. burns the toner to the paper B. fuses the image to the transfer corona C. changes the charge on the photosensitive drum D. provides the main power to the primary corona 45. The following drive type parameters can be configured in CMOS EXCEPT? A. tracks B. cylinders C. seek time D. number of heads 46. Which type of connector is used for a parallel connection on a printer? A. Centronics (36-pin) B. 25-pin (DB-25) male C. 25-pin (DB-25) female D. 9-pin (DB-9) male

7 47. A 10Base Table is normally connected to a computer with a(n)? A. BNC connector B. TX connector C. RJ-11 connector D. RJ-45 connector 48. Which of the following is not an example of a computer memory? A. DRAM B. SIMM C. KRAM D. FLASH 49. The IRQ for a PCI network interface card is NOT configured with? A. CMOS B. BIOS C. Jumpers D. the operating system 50. Which two files make up the Registry in Windows 95/98/Millenium Edition? A. CONFIG.SYS and AUTOEXEC.BAT B. COMMAND.COM and CONFIG.SYS C. MSDOS.SYS and IO.SYS D. USER.DAT and SYSTEM.DAT