BIOS and CMOS Questions 1. What does BIOS provide for the computer? a. BIOS provides the physical interface for various devices, such as the serial and parallel ports b. BIOS provides the programming that enables the CPU to communicate with other hardware c. BIOS provides memory space for applications to load into from the hard drive d. BIOS provides a memory space for applications to load into from the main system RAM Answer: b. 2. Ernie puts together a new system and seems to have everything in place When he powers up the system, however, he hears a series of beeps (one long and two short) and then nothing else. The monitor stays blank and Windows does not load as far as he can tell. What is the most probable cause of the beeping and “dead” PC? a. Ernie forgot to plug the PC into the power b. Ernie does not have the RAM seated properly c. Ernie does not have the CPU seated properly d. Ernie does not have the video card seated properly Answer: d. 3. Jill boots up an older Pentium system that has been the cause of several user complaints at the office. The system powers up and starts to run through POST, but then stops. The screen displays a “CMOS configuration mismatch” error. Of the following list, what is the most likely cause of this error? a. Dying CMOS battery b. Bad CPU c. Bad RAM d. Corrupt system BIOS Answer: a. 4. In which CMOS screen would you most likely find the setting to change the size of the installed floppy disk drive? a. Standard CMOS features b. Advanced BIOS features c. Advanced Chipset features d. Integrated Peripherals Answer: a. 5. In a Windows XP system, which of the following can you use to make changes to the Registry? a. Control Panel b. Device Manager c. Regedit d. Regedit 32 Answer: a, b, c and d 6. What is the purpose of POST? a. The POST tests all the devices attached to the PC, then displays a message on the screen, if any device fails b. The POST tells all of the devices attached to the PC to test themselves, and then produces a beep code or text message if any device fails c. The POST tells all of the devices that get BIOS support from the system ROM chip – the assumed devices – to test themselves, and then produces a beep code or text message if any device fails d. The POST provides a convenient mailing utility for product registration Answer: c. 7. Which of the following can you configure in the CMOS? (Select all that apply) a. Parallel ports b. Serial ports c. Hard drive d. Video resolution Answer: a, b, c 8. When should you update your system BIOS? a. When you upgrade your OS b. Every time you boot your computer c. Every time you defragment your computer d. To add functionality or to fix known bugs Answer: d. 9. What should you do before making any changes to your CMOS settings? a. Reboot your computer b. Write down the current settings c. Remove all the cables from your PC d. Replace the BIOS Answer: b 10. If your CMOS isn’t capable of auto-detecting your hard drive, which of the following values do you need to specify? a. Heads b. Cylinders c. Clusters d. Sectors Answer: a, b and d 11. By default, which of the following is the first device the BIOS searches for at startup? a. Hard drive b. CD-ROM drive c. Floppy drive d. All of the above Answer: c 12. What do you need to if the clock on your PC starts losing time? a. Replace your BIOS b. Replace the CMOS battery c. Replace your hard drive d. Reinstall Windows Answer: b 13. If a user password has been set in CMOS, what will happen? a. An unauthorized person will be unable to enter the CMOS setup program b. The user must enter the correct password to boot the system c. Nothing will happen d. Only certain settings in the CMOS will be available to unauthorized users Answer: b 14. If you’ve set and forgotten a supervisor password for your CMOS, how can you get into the CMOS program? (Select all that apply) a. Reboot the PC and press F1 b. Set a jumper on your motherboard to clear the password c. Reinstall Windows d. Remove and reinstall the CMOS battery Answer: b and d 15. At startup, where does your PC receive it’s first set of instructions? a. Operating system b. RAM BIOS c. ROM BIOS d. CMOS Answer: c 16. If you’re using Windows and you set your PnP BIOS so that the BIOS configures your PnP devices, what will happen? a. Your BIOS will configure the devices b. Windows will configure the devices c. The devices will need to be configured manually d. None of the above Answer: b 17. If you boot your computer and receive a 301 error code, which of the following devices has a problem? a. Floppy drive b. Hard drive c. Video d. Keyboard Answer: d 18. Why might you want to reconfigure the automatically set IRQ or I/O address of a port on your PC? (Select all that apply) a. Device conflict b. Troubleshooting c. To free up system resources d. There’s no way to reconfigure these settings Answer: a, b and c 19. Sylvia has installed a new battery in her motherboard. What does she need to do now? a. Set the correct date and time b. Partition the hard drive c. Reseat the CPU d. Add more RAM Answer: a 20. You can configure all of these hard drive type parameters in CMOS EXCEPT? a. heads b. cylinders c. drive letter d. tracks Answer: c. 21. Which of the following are good ideas when it comes to maintaining batteries? a. Keep the contacts clean by using alcohol and a soft cloth b. Store them in a freezer if they will not be used for a long period of time c. Toss them in the garbage when they wear out d. Store them in a cool, dry place Answer: a. and d. 22. What can you assume if you successfully boot a computer up into Windows, but don’t hear any beep during the POST? a. It’s not getting any power b. Everything is as it should be c. The speaker isn’t working d. POST is corrupted Answer: c. 23. The ROM on the PCs motherboard usually contains which of the following? a. System BIOS b. The master boot record c. POST routines d. CMOS setup program Answer: a, c and d 24. Flash ROM chips can be a. Upgraded if necessary b. Used as read/write memory c. Erased by the disk operating system d. None of the above Answer: a. 25. Which of the following components are not tested by POST? a. System RAM b. Power Supply c. motherboard d. System BIOS Answer: b. 26. Which of the following problems will NOT show up during POST? a. A DIMM that fails at high temperature b. Stuck key c. Bad floppy controller d. A dimm with bad memory Answer: a. 27. When booting a PC, you hear a long string of beeps and the PC fails to boot. What is the first step you should take to troubleshoot the problem? a. Unplug the PC, then plug it back in and try to boot again, to see if the problem continues b. Replace the motherboard c. Look up the beep codes in the documentation from the BIOS manufacturer d. Replace the CPU Answer: c. 28. Which of the following is not required for a system to pass POST successfully? a. Functional floppy drive b. Functional RAM c. Functional CPU d. Functional video card Answer: a. 29. What does the ROM chip on the motherboard store? a. DOS b. IRQs c. BIOS d. DMA Answer: c. 30. Your system was working perfectly yesterday. Suddenly you get a “CMOS configuration mismatch” error. What should you do? (Choose all that apply) a. Verify that all devices are getting power b. Erase the CMOS settings c. Check the CMOS settings d. Check the CMOS battery Answer: c. and d. 31. Most CMOS setups provide two levels of passwords. What are they? a. Startup or Boot password b. Clear CMOS password c. CMOS setup password d. CMOS save password Answer: a. and c. 32. What program enables you to change the system time and floppy and hard drive information? a. ROM BIOS b. POST c. CMOS Setup d. RAM startup program Answer: c. 33. When powering on a computer that worked fine yesterday, you notice that instead of the single happy POST beep you normally hear, you hear a series of POST beeps and the computer will not boot. What could be the problem. (Choose all that apply) a. Bad or unseated sound card b. Bad or unseated RAM c. Bad or unseated Video Card d. Bad or unseated Modem Answer: b. and c. 34. James replaced the CPU and added some RAM to his PC. He also blew some of the dust out of the system using canned air. When he rebooted his system a long, annoying beep, occurred. a. The beep indicates a problem with his new CPU b. The beep indicates a RAM problem c. The beep indicates that he blew dust up into the power supply d. The beep indicates that his hard drive is dying Answer: b. 35. Liam used the clear CMOS jumper to clear a CMOS password. He also installed a new CMOS battery. He then immediately rebooted but got a CMOS configuration mismatch error. What did he probably forget to do? a. Nothing – he just needs to reboot again b. Check the CMOS battery c. Remove the clear CMOS jumper d. Restore the CMOS settings Answer: c and d 36. The first component affected by motherboard battery failure is a. BIOS b. CMOS c. POST d. DMA Answer: b. 37. System ROM is stored a. In the ROM chip b. In RAM c. In reserved memory address F000-FFFF d. In CMOS Answer: a. 38. Blanche notices that her system is giving a “CMOS configuration mismatch” error everytime she reboots, even after she has reentered the CMOS information. What should she do first to determine what is causing the error? a. Clear CMOS b. Check the CMOS battery c. Flash the BIOS d. Ignore the error, run the System Information program Answer: b. 39. Answer: a. 40. Answer: d. 41. Answer: d. 42. Answer: c. 43. After the POST is completed, the hardware settings it finds will be compared with those stored in __ . Any differences will be displayed as POST error codes on the display and/or beeps a. SYSTEM.INI b. CMOS c. CONFIG.SYS d. HAL.DLL Answer: b. 44. IRQ __ is for the real time clock (one of the IRQs that is NOT available to the user)? a. 8 b. 7 c. 9 d. 5 Answer: a. 45. What form of software can also be called Firmware? a. CMOS b. Microsoft Office c. Windows OS d. System Bios Answer: d. 46. How can you tell that a PC has successfully completed its power on self test (POST)? a. A single beep at start up b. A double beep at start up c. Three beeps at start up d. Four beeps at start up Answer: a 47. You apply a password to CMOS but later forget it. What should you do? a. Clear the CMOS using a jumper b. Remove the RAM c. Remove the Processor for 2 minutes d. Remove the Hard Drive Answer: a. 48. How do you dispose of a PC Battery? a. Dispose of battery in fire b. Dispose of battery in household bin c. Check the battery label information for special disposal procedures d. Dispose of battery in acid Answer: c. 49. How can you tell if the CMOS backup battery is going bad? a. Computer will not boot b. Computer will start losing date and time c. Windows OS will not start d. Graphics quality will reduce Answer: b. 50. Which allows faster access? a. Ram b. Rom c. Virtual Memory d. Cache Memory Answer: d. 51. When installing a high capacity hard disk on older machines, what might you have to upgrade a. Motherboard b. RAM System Bios c. ROM System Bios d. Operating system Answer: c. 52. When you boot up your PC you get a fixed disk error. What could be the problem? (Select all that apply) a. Incorrect OS b. Incorrect boot sequence c. Incorrect jumper setting d. Incorrect CMOS setting Answer: c. and d. 53. What does CMOS Stand for? a. Complimentary Metal Oxide Semiconductor b. Complete Metal Oxide Semiconductor c. Covered Metal Oxide Semiconductor d. Complimentary Metal Oxide Silicon Answer: a. 54. What the does the term BIOS stand for? a. Basic Input/Output Structure b. Basic Important/Output System c. Basic Input/Output System d. Basic Input/Order System Answer: c. 55. What would it mean if you did not hear any beeps when you boot your PC. a. Bad RAM b. Bad or disconnected speaker c. Bad graphics d. Bad CMOS Battery Answer: b. 56. System Software stored on non-volatile memory chips (ROM) is called a. The OS b. Windows Applications c. Firmware d. CMOS Answer: c. 57. What computer chip holds the computers configuration information? a. North Bridge b. BIOS c. CMOS d. RAM Answer: c.