CTE 126 Final Exam 100 Question – Flashcards
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what advantage does ATX have over MicroATX?
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availability of a greater number of PCI or expansion slots,sockets and ports.
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How is a computer component such as a network card commonly market for identification?
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Manufature serial number
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What is the range of ideal electrical voltage froth house outlet to the power supply?
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110/220 voltages
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What voltages are supplied by an ATX power supply?
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!2 V
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What is the typical efficiency range for a power supply?
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60% to 75% efficient or 400W to 1200W
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Why is it important to buy a power supply thats close to the requirements for your system instead of buying a higher wattage power supply?
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It's not. A higher than needed power supply will not harm your computer in any way. It will simply cost slightly more and draw more power.
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What term is use to refer to components that are commonly replaced but not repaired?
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Field Replaceable units
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Do all systems use the same method to enter BIOS setup?
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No, the key-presses required differ from manufacturer to manufacturer.
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What happens automatically after you exit BIOS setup?
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computer boots up
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Is it possible for a virus to infect the BIOS of a computer system?
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Yes it is very possible
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Why does a computer need BIOS?
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Because BIOSi s the first code run by a PC when powered on and BIOS is the power-on self-test, which initializes and identifies system devices
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On the label of a motherboard or the component, how can the manufacturer often be differentiated from the model number?
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The manufacturer name is usually printed in much larger type than the model number.
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What is the primary purpose of spacers?
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To Prevent components on the back of the motherboard from touching the case.
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At what point in the boot process is BIOS information displayed?
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displayed at start up
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What file might contain las-minute adjustments to the upgrade procedures?
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Release notes Readme.txt
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Why shouldn't you use a screwdriver to remove a heat sink?
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ou may damage the cpu and/or the motherboard
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What is the minimum voltage of an electronic discharge (ESD) that you can feel?
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3,000 - 3,500 Volts
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what is the voltage range in which ESD can affect components?
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10 Volts
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What is the measurement unit for noise level when rating coolers?
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Decibels.
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what is the advantage of a magnetic hard drive over a SSD drive?
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HDD is much cheaper than SSD, / Several terabyte hard disk drives are available for very reasonable prices.
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How do you determine that your system is set to boot from a CD?
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Most likely, your computer is set to boot from the hard drive before it boots from the CD so you can change to boot from CD first at BIOS setup.
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How much did the Hiern's BootCD software cost?
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is free
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what is the primary reason that windows keep a driver package in the drive store?
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Because if you delete your driver you can find in again in the driver store. because the driver store is a central location where all driver files are stored before they are copied to their final destinations during device installation
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why might someone choose to disable an embedded sound device and thinned a sound card instead?
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because Embedded sound cards are frequently found to be poor quality
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what other types of ports can you use to connect a camera to your computer?
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USB Ports, FireWire Ports,Audio Ports,Video Ports ,30-Pin Port andCharging Ports
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Do you have to power down the system before connecting a USB camera?
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NO
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If you wanted to create a disc that would never need to be altered and would be compatible with the most systems, what type of disc would you use and why?
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I would choose the CD-R because once you record something on it,this information can't be erased.
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Why do you think it is necessary to set the sequence which the system initializes display adapters so that the primary display is initialized first?
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Because if you don't do it BIOS doesn't support it.
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Why is it necessary to use an antistatic bracelet when you work inside a computer case?
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stops you from giving dangerous static charges to delicate components.
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why is it necessary to have an MSDS on file in a computer lab?
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provide necessary information about precautions for protecting against known hazards associated with chemical materials.
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Why should monitor vents not be obstructed?
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if your moniter gets to hot the screen will distort and it will cause irreversible damage to the hardware inside
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In troubleshooting a boot problem, what is the disadvantage of restoring all BIOS settings to their default values?
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is losing custom settings to optimize CMOS functions
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In troubleshooting a boot problem what would be the point of disabling the quick boot feature in BIOS setup?
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performs the process faster because it skips a check of the memory.
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Which single component determines the compatibility of other components is a system?
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The motherboard
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After doing your best, but finding you still cannot solve a customer's problem, what is the appropriated next step?
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elevate to the next level
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What type of connectors is used with CAT-5e or CAT-6 cable?
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are two wiring standards recommended for use with CobraNet networks.
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What determines the speed of devices on a LAN that consists of both 100 Mbps and 1000 Mbps?
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based on the speed of the switch and device connected to it.
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what type of electrical current does a notebook computer require?
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DC power
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What does the label "beta release" indicate about a driver?
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is the first version released outside the organization
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will 32-bit printer drivers work in a 64-bit installation of windows?
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x64 versions of Windows do not support 32-bit kernel mode drivers
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For a network printer, what PCP/IP command can you enter at a command prompt to verify that windows can communicate with the printer?
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you can enter TCP/IP
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what client application on your computer is used to configure a router?
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Windows Remote Desktop
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How can you configure a router when there is no remote connection?
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go to Start, Run, and type in CMD. Then type IPCONFIG and the address for the router is the Default Gateway entry.
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what type of network location is required for a home-group?
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Home network
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How many home-groups can you have on a local network?
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2
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Hexadecimal numbers are often proceeded by
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0x
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IN the hexadecimal system, what decimal value does the letter A represent?
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value of 10
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Computer often express numbers in format, which is base 16.
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'Hexadecimal'
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How long, in bits, is a typical MAC use?
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48-bits HEX
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What protocol does a weep browser use?
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Http - Hyper Text Transport Protocol
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At which TCP/IP layer does a web browser work?
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Application Layer
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When more than one application is running on a server, how does IP know which service should be presented a data packet?
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each separate process is assigned a sequence # so that the system can differentiate between all of them and yet keep everything working (at blinding speeds) correctly
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What is the first thing that would make you suspect that a PC has a memory problem?
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beep codes
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In troubleshooting a boot problem, what would be the point of disabling the quick boot feature in BIOs setup?
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instead of bypassing a bunch of hardware boot test as with quick boot the boot will take a little longer testing all known hardware at boot
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(55 is 58.) why is it required by OSHA that an MSDS data sheet be on file in a computer lab?
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equired for a non-hazardous chemical
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(56 is 60) when is it appropriate to install pirated software on a computer?
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it is never appropriate to install pirated software
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(57 is 61) when might you chose to upgrade your video card?
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When your computer stops being able to play the latest videos or games or is stop working.
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(58 is 62) what are the two main risks associated with pirating software?
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Fine and jail
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(59 is 64) What characteristics do DVD and BD drivers share?
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Both look the same to the casual observer, as they both accommodate the same physical sized disk.
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(60 is 65) What is the default sound played during windows startup?
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Windows sound
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(61 is 68) when windows deleted the driver package and driver files, in what situation might it not delete driver files used by the device that is being uninstalled?
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when you used this method, Play (PnP) manager removes a subset of the system states that were created during device installation.
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(62 is 69) when you need to boot from the optical drive or USB flash drive, what must you dot prevent the computer from booting from windows on the hard drive?
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you need to change to boot from your optical or USB drive in BIOS setup.
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(63 is 70) what is the purpose for having the SeaTools for DOS utility perform the long test?
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Because the "LONG Test" reads every sector on the drive
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(64 is 72) What four methods do you have at your disposal to learn about your hard drive?
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They are looking in the BIOS setup, third-party utility, referencing to the manufacturer's document, and physically inspecting the hard drive
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(65 is 73) What are the 4 layers of the TCP/IP protocol stack?
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HTTP, SSH, TFTP, SNMP and DNS
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(66 is 79) Why is drive write speed affected by RAM?
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NO. RAM exists because hard drives are slow
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(67 is 80) why does the amount of RAM installed affect boot time?
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Because you need to make sured to have the right amount of RAM in your computer.
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(68 is 81) What features are used on memory slots and modules to prevent modules from being installed incorrectly or not seated completely?
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Identify Installation Socket ,Lock Module Into Plac, Double-Check Installation
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(69 is 83) explain the differences between ECC memory and non-ECC memory?
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ECC memory detects and reports memory errors, and f you do not see an option for ECC memory is a non-ECC
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(70 is 84) What two things must be true before a motherboard can take advantage of its ability to use tripe channel memory?
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Support more memory and faster for dual chanel
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(71 is 86) what is the purpose of benchmarking computer components?
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is the act of running a computer program
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(72 is 87) Even a jumperless motherboard is likely to have one jumper. what does the jumper do?
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reset the BIOS to its default settings
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(73 is 88) How is the label usually applied to or written on a motherboard?
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Stencil or silkscreen
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(74 is 89) what is the name of link on a manufacture's web site usually leads you to manuals and drivers?
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It varies, dependant upon manufacturer.
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(75 is 90) In what format is documentation most available for download?
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HTML and PDF
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(76 is 91) How are setting usually grouped in the BIOS utility?
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by functions
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(77 is 92) why does a windows drive need to run in Kernel mode?
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Security purposes
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(78 is 93) what is the most efficient way to determine whether your power supply is bad?
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use a multimeter
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(79 is 94) What are the seven layers of the OSI model?
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layer 7- Application layer layer 6- Presentation layer layer 5- Session layer layer 4-Transport layer layer 3-Network layer layer 2- Data Link layer layer 1- Physical layer
