A+ hardware must know questions (part 2)

1) FAT and root directory is a team in locating files and sub directories.à True

2) Buffers are used to à Allocate space in memory reserved for file and data transfer

3) In a plug and play system, installing a second hard drive what determines the drive letter? à Operating system

4) Boot record is present in à side 0, track 0, sector 1

5) You have been asked to make a fault tolerance recommendation for your organization. The server stores mission-critical data, spanning four disks. Based on this information, What RAID level would you recommend? à RAID level 5

6) The system interrupt level used for FDD data transfer is à IRQ 6.

7) When you boot up your computer the light on the diskette drive lights up and stay lit. What does this mean? à The data cable is installed backwards

Term used to describe time it takes the monitor to paint a picture from top to bottom. à Refresh rate

9) An SVGA monitor has the following in comparison with VGA à More bandwidth than VGA

10) The main difference between computer monitor and a TV is à TV has a receiver and a tuning circuit and monitor has better resolution.

11) HTTP the framework for exchanging information on the World Wide Web stands for? à Hyper Text Transfer Protocol

12) Which device is needed to extend a 10Base2 network beyond the maximum segment distance? à Repeaters

13) A device that operates at the OSI Network layer is? à Router

14) What is the difference between a transient and sag? à A transient is an overvoltgae condition and a sag is an undervoltage condition

15) What is the main difference between DRAM & SRAM? à DRAM needs refreshing

16) The asynchronous burst SRAM is faster than synchronous burst SRAM. à False

17) The main disadvantage of a mechanical switch in a keyboard is à Wear and tear

18) An optical-mechanical mouse works on which of the following principles? à Mechanically driven plastic disks break beams of light generating pulses that may be controlled

19) The power supply requirement for a keyboard is à + 5 volts supply through connector

20) What is the first step in diagnosing a completely dead computer at the client site that was working the day before? à Check the AC outlet

21) Which device connects to a parallel port? à External Storage device

22) Null Modems transmit data in which of the following ways? à Connecting serial ports with a crossed wire cable

23) Which of the following factors affect the speed of a Modem? à Version of the UART chip, Data Compression

24) Why should you replace the ink cartridge in an ink-jet printer with a new one? à Ink is slightly abrasive and the nozzles are worn when the cartridge runs out of ink

25) In a Laser Printer, the fuser assembly performs which of the following functions? à Melts toner particles and presses them into the Print media

26) The REGISTER MEMORY command enables the operating system to address installed memory greater than à 16MB

27) A print buffer is a section of the hard disk designated for printing. à False

28) What are the distinguishing differences between AT and ATX motherboards? à PS/2 port, Soft power switch

29) The expansion of PCI is à Peripheral Component Interconnect

30) Which slot would a Pentium III processor go into? à Slot 1

31) Primary DOS partition can be deleted without deleting the logical drives. à False

32) General failure is given if the DOS has discovered a RAM error while processing. à True

33) You have an internal SCSI Hard Drive as well as an external SCSI Hard Drive, where do you put the Terminators? à You put one at the end of each hard drive and NOT one on the controller

34) You would have to enable int13h support on a SCSI controller card in order to use which device? à Tape device

35) Which controls the constant spinning of spindle motor? à servo board on FDD

36) The format procedure establishes the sector interleave factor. à True

37) A picture on a computer monitor is encrypted by à a cathode ray scanning across fluorescent screen.

38) The grid voltages required for the CRT are obtained from à LOT.

39) The most popular network management protocol available in the TCP/IP protocol suite is à SNMP

40) Which of the following are transport-layer or higher-layer protocols? à NetBEUI, TCP/IP, Apple Talk.

41) Which cable type is least susceptible to EMI interference? à Fibre Optic

42) HTTP provides the framework for exchanging of à Text, Images, Sound & Video

43) Memory allows the microprocessor to process its program instructions and also its data. à True

44) The biggest difference between EDO RAM and Fast Page Mode RAM? à Is faster than Fast Page Mode RAM

45) Synchronous transmission is best described by which of the following? à Regular transmission times without start and stop bits

46) The function of ROM chips is in: à Give the system instruction during startup

47) The working frequency of SMPS lies in the range of à 20 KHZ – 22 KHZ

48) For computers not protected by UPS, what problem can occur when power is restored after a power failure? à Damage from a power surge

49) The Voltage across the main filtering capacitor (across bridge rectifier) in an SMPS is à 300V DC

50) User has 3 USB devices to use on her Laptop computer: a mouse, a keyboard and something else. How many resources will they use? à 1

51) NPRINT loads a printable file directly into a selected print queue. à True

52) A toner cartridge contains which of the following? à Drum, charging roller, developing roller, and a scraper blade.

53) How is ink expelled from the ink cartridge in ink-jet printers? à A small heating element heats the ink, making steam that forces the ink through a nozzle & a piezo-electric crystal is subjected to an electrical current causing it to bend and push ink through a nozzle.

54) How is the Printwire in a Dot Matrix Printer fired? à An electromagnet is activated forcing the printwire from a permanent magnet in the printhead.

55) Which of the following is a consequence of enabling shadowing in a computer BIOS? à Instructions stored in various ROM chips are copied into RAM.

56) What is the first step of a DOS client installation? à Select a network board driver.

57) What is a PIF? à Program Information File

58) Which head placing mechanism places the head exactly over the track? à Voice coil mechanism

59) Any absence of characters on the screen of a monitor denotes failure in à Video section.

60) What type of CRT is 800 x 600? à SVGA

61) How do you differentiate an ATA/33 ATA/66 cable? à Number of wires

62) Select the layer that does not list in the OSI Model, list. à Sequential

63) Which of the following statements about local talk cables is most correct? à Local talk cable are available from either Apple or third party vendors

64) Which of the layer is a Transport Layer Protocol? à SPX.

65) What is the difference between s surge and a spike? à A spike is a very short overvoltgae condition measured in nanoseconds and a surge is measured in milliseconds.

66) What does memory mapped I/O do? à Uses the same address space for memory locations and peripheral devices.

67) The process of finding out which key is pressed in keyboard is called à Scanning

68) What is the fastest? (EEP, ECP, APP, SPP) à ECP

69) What is most likely the cause of a printer problem that causes printing to become dull from left to right? à Misaligned platen

70) In a Laser Printer, toner is moved to the print media with which of the following parts? à Transfer/corona roller.

71) Dot matrix impact Printers commonly has which of the following print head pin configurations? à 9, 18, 24.

::I got these from famous hardware books including those of Indian Institute Of Hardware Technology(IIHT)::