Frequently Asked Top 45 Computer hardware Engineering Questions
1) When the Win9x computer is started , it displays a ' Missing Operating System ' error.
Which command can be you use to make the drive bootable?
1.BOOT
2.BOOT OS
3.SYS
4.SYSTEM
2) IDE cables used in parallel ATA systems can Extend to how long?
1. 40cm
2. 80cm
3.20cm
4. 60cm
3) What is the Firewire port transferring speed?
1. 133
2. 150
3. 300
4. 400
4) Coping system files is done using ......................
1. X copy command
2. Disk copy
3. Sys command
4. Copy command
5) Ajay has a motherboard with tow 168-pin DIMM slots. One slot is filled with a 64-MB DIMM module, but the other is empty. When he tries to install a second 168-pin DIMM, he finds that it will not snap into place, due to a raised bump in the DIMM socket. Trishal argues that the bump is a defect int the socket and Ajay should file it down. Akeel argues, in contrast, that he probably has a defective DIMM with the notch cut in the wrong spot. Who is most likely correct ?
1. Only Trishal is correct
2. Only Akeel is correct
3. Both Trishal and Akeel are correct
4. Neither Trishal nor Akeel is correct
6) When performing a backup in DOS, which switch will only backup modified files ?
1. /d
2. /t
3. /m
4. /s
7) Akeel turns on his PC and nothing happens. The drive do not spin, the LEDs on the case do not light up, and the fans do not turn. What should he do first?
1. Check the AC power source first to make sure the PC is plugged in
2. Unplug all the power to devices except for the motherboard, and turn the PC on again to try to isolate the problem.
3. Unplug the motherboard power connector and tun the PC on again to try to isolate the problem.
4. Remove the power supply and check the internal fuse.
8)Which of the following SDRAM speeds would not work on a 66 MHz mother board?
1. 60MHz
2. 66MHz
3. 100MHz
4. 133MHz
9) Which is DCE Device?
1. PC
2. Laptop
3. Modem
4. Printer
10) During which step of the laser print process is the laser used?
1. Charging
2. Writing
3. Developing
4. Fusing
11) AGP 8X Data Transfer rate is ?
1. 266 MB/sec
2. 533 MB/sec
3. 1066 MB/sec
4. 2133 MB/sec
12)The three main files that make up DOS are ..........., .............. and ................
1. MSDOS.SYS, CONFIG.SYS, And AUTOEXEC.BAT
2. IO.SYS, MSDOS.SYS and CONFIG.SYS
3. IO.SYS, MSDOS.SYS and COMMAND.COM
4. COMMAND.COM, CONFIG.SYS and AUTOEXEC.BAT
13)George wants the boot sequence of his computer to be A, C, SCSI. Where does he go to change the boot sequence setting ?
1.BIOS
2. He cannot change it
3. My computer
4. CMOS setup
14) What is X on CD-ROM Drives (1X, 2X,48X,52X) ?
1. 32 kb/sec
2. 64 kb/sec
3. 128 kb/sec
4. 150 kb/sec
15) The different colored wire on a data cable distinguishes it as ?
1. Pin number one
2.The grounding pin
3. The parity pin
4.Pin number forty
16) You have just installed a new AT power supply, but the computer doesn't seem to be getting any power. Which of the following should you do ?
1. Ensure that the p8 and p9 connectors are attached to the motherboard with the black wires together.
2.Ensure that the p8 and p9 connectors are attached to each other with the black wires at opposite ends.
3.Ensue that the red stripe on the cable is aligned with pin 1 on the motherboard.
4.Ensure that the p8 and p9 connectors are properly attached to the hard drive
17) FAT32 supports partitions up to .......................
1. 2 TB
2. 2 GB
3. 512 MB
4. 256 MB
18) Hetal presses the power button on her computer and the system starts to boot up- text appears on the screen as usual, but the boot-up stops before loading Windows and the following error message appears on the monitor screen." Non- System disk or disk error. Replace and strike any key when ready." Hetals computer was working great yesterday. What most likely caused Hetals system to get this error ?
1. There is no operating system on her computer
2. She messed up her CMOS settings
3. A floppy disk has been left in the floppy drive
4. Her hard drive died
19) The CPU performs what function(s) in a personal computer ?
1. The Central Processing Unit performs all the calculations that take place inside a PC.
2.The Central processing Unit provides a Central repository for system information.
3.The central power unit provides DC electricity for the motherboard and devices inside a PC.
4.The Celeron Pentium Unit stores programs used by the by the microprocessor.
20) SATA interface for the hard disk is supported by which Intel Chipset ?
1. Intel 810 series
2. 840 series
3. Intel 850 series
4. Intel 875 series
21) A user calls you with a question about Windows. Several files that she knows should be hidden are showing up on the desktop. What do you tell her ?
1. The hidden files will be listed but cannot be opened or modifie
2.The hidden files can be truly hidden by selecting the appropriate option in the My computer | view menu
3. The hidden files should be moved to the Recycle Bin.
4. The user is incorrect because hidden files cannot be shown on the desktop
22) The floppy drive light stays on constantly. What is the problem ?
1. The floppy drive has not been configured in the CMOS
2. The Ribbon cable is plugged into the floppy drive incorrectly
3. The floppy drive power cable is connected incorrectly
4. There is a diskette in the floppy drive
23) What are the major functions of an Operating System(OS) ?
1. An OS provides a method for other programs to communicate
2. An OS creates a user interface
3. An OS enables user to add, move and delete installed programs and data
4. All of the above
24) What determines the drive letter for a floppy drive ?
1. The placement of the floppy drive on the cable
2. The Operating System
3. The Floppy drive capacity
4. How the floppy controller connects to the motherboard
25) When booting in DOS which key will by pass the config.sys and autoexe.bat files ?
1. CTRL
2. F8
3. DEL
4. F5
26) DDR SDRAM Commonly comes in which of the following RAM package ?
1. 72-pin SIMM
2. 148-pin DIMM
3. 168-pin DIMM
4. 184-pin DIMM
27) ISA slots are available in ............................
1. 8 bits
2. 16 bit
3. Both 1 and 2
4. 32 bit
28) For VPN support Windows 98 comes with a built in .................. Protocol
1. PPTP
2. PPP
3. SMTP
4. SNMP
29) An PC Engineering candidate just build a clone pc from scratch. The floppy drives LED is lit up ( and stays that way ) from the time the machine is powered on. What is the most likely cause ?
1. Hard drive failure
2. CMOS configuration error
3. A disk left in the floppy drive
4. Floppy drive cable connection
30) Someone placed a BIOS password on a computer and forgot the password. What should you do ?
1. Boot to a floppy and FDISK the drive.
2. Reboot the computer while holding down the key.
3. Go into BIOS setup and delete the password
4. Clear the CMOS by shoring the CMOS jumper
31)DMA for Floppy Disk Drive
1. 1
2. 2
3. 3
4. 4
32) A user calls tech support and says that his system will not boot up. The error message that is displayed is: " Missing Operating System". What can cause this?
1. The Windows 9x CD is not the CD-ROM drive
2. The keyboard is not working or is plugged in improperly
3. The Windows 9x CD is in the CD-ROM drive
4. A non-bootable disk is in the disk drive.
33) A user complains that the mouse pointer does not move smoothly across the screen. Which of the following is most likely to remedy the problem?
1. Reinstalling the mouse drive
2. Ensuring that the mouse cable is connected securely to the computer
3. Ensuring that there are no IRQ conflicts between the mouse and another device 4. Cleaning the mouse
34) Which of the following most accurately describes the functions of I/O addresses ?
1. They are used by the processor to identify and communicate with components
2. They are used by components to identify themselves when they communicate with the processor
3. They are used by components to interrupt the processor
4. They are used by components for direct access to the information in RAM
35) USB 2.0 has a data transfer rate of ...............................
1. 400 Mbps
2. 480 Mbps
3. 5 Mbps
4. 12 Mbps
36) Which electrical component, inside your power supply, converts alternating current (AC) to direct current (DC) that is used by your PC ?
1. Transformer
2. UPS
3. Rectifier
4. Transistor
37) I/O Address of LPT2
1. 7
2. 5
3. 4
4. 3
38) What is the proper order of the laser printing process ?
1. Clean, charge, write, develop, transfer, and fuse
2. Charge, write, transfer, fuse, develop, and clean
3. Clean, write, develop, transfer, fuse and charge
4. Clean, charge, develop, fuse and transfer
39) The ISA expansion slots came in two flavors. What were they ?
1. 4.77MHz and 7.16MHz
2. 8-bit and 16-bit
3. 16-bit and 24-bit
4. 8 MHz and 16 MHz
40) Which of these items are considered to be dot-matrix printer consumables ?
1. Drive motor
2. Pape
3. Flowwheel
4. Ribbon
41) ROM is Which type of Memory?
1. Volatile memory
2. Non -volatile memory
3.Cache Memory
4. None of the above
42) On most floppy cables, the order for the connector is;
1. Adapter, drive A, drive B
2. Adapter, tape drive connector, drive A
3. Adapter, drive B, drive A
4. Adapter, drive A or B drive A or B
43) FireWire port is also called as
1. IEEE 1394
2. IEEE 1234
3. IEEE 1034
4. IEEE 1934
44) CCD is a technology related to which of the following devices ?
1. Display cards
2. LCD panels
3. Scanners
4. NIC
45) Minimum RAM Required to install win98 in a system
1. 16 MB
2. 32 MB
3. 64 MB
4. 128 MB
4. 128 MB
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