CPT-267 Final Exam Review Questions With 100% Correct Answers

CPT-267 Final Exam Review Questions With 100% Correct Answers What is the definition for a UART? - answerA device that converts input data from serial to parallel, and converts output data from parallel to serial. Which of the following is an explanation of an IEEE 1394 self-healing loop? - answerThe IEEE 1394b interface can correct errors made in connecting IEEE 1394b devices. What is the name for the way in which IEEE 1394 devices can be connected together without using a hub? - answerDaisy-chaining USB On-the-Go eliminates the need for using a PC to transfer pictures from a camera to a DVD recorder - answerTrue I have just purchased a new computer with USB 3.0 and USB 3.0 port connectors. Is it possible to connect and use my USB 1.1 jump drive with my new computer? - answerYes Which of the following are enhancements that USB 3.0 provides? Please select all that apply. - answerIncreased power for devices that receive their power through the bus cable hubs operate like a switch What happens to the USB speed in a computer system when additional devices are connected to the bus? - answerThe bus will slow down Which of the problems listed below make parallel cabling less desirable than serial cabling for transferring data at high speeds? Please list all that apply. - answerSignal jitter Signal skew The term for three keyboard switches pressed simultaneously to perform a special function - answerTrilogram A keyboard that provides both tactile and audible feedback by using a coiled spring and a rocker - answerBuckling spring The data sent out by a keyboard when a key is pressed - answerMake code A keyboard that has poor tactile feedback and is prone to contact corrosion - answerFoam element A keyboard whose level of force to complete keystrokes depends on the strenght of the finger required to press the key. - answerErgo Technology A method by which a mouse may be connected to a computer - answerBluetooth A pointing device whose ability to move a screen pointer depends upon the skin resistance and moisture content of the user's hand - answerTouch pad If the right-click button on your mouse fails, which of the keyboard keys listed below could you use in place of it. - answerApplication key The soft power switch on a ATX computer can be used to force a computer to power down. - answerTrue An adapter is required to connect a 24-pin connector from a power supply to a 20-pin connector on a motherboard. - answerFalse What is the name of the connector on ATX power supplies that increases the power handling capabilities of pins in the connector? - answerHCS Select from the list below the power supply form factor developed to power entry-level servers. - answerEPS/EPS12v Which of the following is ...Not... a characteristic of the switching power supplies used in PCs? - answerInefficient What is a Voltage Regulator Module (VRM)? - answerIt converts a standard voltage output from a power supply to a lower value Which of the following is ...Not... an option for powering up a computer by using ATX soft power capabilities - answerPressing the soft power switch for more than 4 seconds It is possible to plug the connectors from an AT power supply into the motherboard connector incorrectly if don't properly line up the male and female connectors and plug them in so that the pins are offset between the two. - answerTrue A forgotten BIOS password can be reset by ____________ - answerRemoving the NVRAM battery How can most high quality power supplies be reset? - answerFlipping off the power switch, then switching it back on Although power supplies are made to operate at high temperatures, operating a power supply at high temperature shortens its life. - answerTrue Linear power supplies are not as efficient as switching power supplies. - answerTrue Which of the following is ...Not... a way that power supplies are normally overloaded? - answerPowering the computer on and off (thermal expansion and contraction) PowerOut/Power In is the formula that defines the __________ specification of a power supply. - answerEfficiency The formula Power Used(used by the computer)/Power Supplied(by the power company) defines the __________ specification for power supplies. - answerPower factor Select all of the items listed below that can provide information for troubleshooting a BSOD. - answerThe stop error code on the BSOD The memory dump file Which of the following would be a valid reason why the last two bytes in the MBR are not 55AA (hexadecimal)? - answerThe MBR is corrupted Which of the following does the author recommend when you work inside a computer? - answerUnplug the AC power cord to remove all voltage from the motherboard. What voltage does the author suggest is the lowest voltage that may be dangerous to you and should be measured with only one hand? - answer50 volts What information can a logic probe provide about a dead computer that a DMM cannot provide? - answerInformation about the clock signal If you suspect that a memory module is failing because of timing, what type of test below be the best test to run? - answerTest the memory modules in a memory module tester Why would you advise me to wear an ESD wrist strap when spraying an aerosol can of compressed air inside a computer case? - answerTo eliminate ESD generated by as air leaves the plastic nozzle of the metal can What Windows utility is well suited to determining if a computer needs more memory? - answerTask Manager If memory diagnostic programs cannot identify memory failures, then a __________ might be used to thoroughly test memory. - answerMemory module tester Which of the items listed below enables servers and work stations to have more memory modules and memory modules with more chips installed. - answerRegistered modules Which of the levels of cache can be shared among multicore processors and is well-suited for processors with at least 4 cores? - answerL3