IT quiz 1
Which component probably has a dual-voltage selector switch, and has cables that connect to the motherboard and drives? Select one: a. HDD b. PSU c. DIMM d. PCIe
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Which disk drive standard uses an 80-conductor cable? Select one: a. SATA b. IDE c. EIDE d. DVD
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Which of the following is NOT true of a motherboard? Select one: a. also called a system board b. has a CPU socket c. has a heat sink on the PCIe slots d. has slots for DIMMs
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Which of the following is true about an FRU? Select one: a. they are not necessary for the computer's operation b. all types can be easily disposed of in any trash can c. it's easily repaired by a support technician d. a support technician should know how to replace one
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Which power supply connector is the main motherboard power connector on most motherboards today? Select one: a. 20-pin b. 8-pin c. 24-pin d. 15-pin
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A DVI port transmits a video signal and is also called a DB-15 port. Select one: True False
False
A tower case conserves space since it can double as a monitor stand. Select one: True False
False
Hard drives have three connections for cables: one for reading data, one for writing data, and one for power. Select one: True False
False
An Ethernet port has a connector called an RJ-45 to connect to a network cable. True or False
True
Functions that used to be provided by expansion cards are more often found as onboard ports today. Select one: True False
True
What tool can help discover and report computer errors and conflicts that occur when you first turn on a computer and before the operating system is launched? a. POST card b. ROM module c. BIOS memory d. CMOS firmware
a
Which of the following is an audio port that connects to an external home theater audio system, providing digital audio output? a. S/PDIF b. FireWire c. Thunderbolt d. eSATA
a
Which standard provides the best performance for hard drives? a. SATA b. PATA c. IDE d. EIDE
a
Which type of electrical current is used to transmit electricity to our homes and workplaces? Select one: a. alternating b. direct c. hybrid d. oscillating
a
What is a result of two objects with dissimilar electrical charges touching? Select one: a. LCD b. ESD c. EMI d. CRT
b
What type of component holds its charge even after the power is turned off and the device is unplugged? a. memory module b. capacitor c. resistor d. ohm meter
b
Which is the most common form factor used today for computer cases, power supplies, and motherboards? Select one: a. AT b. ATX c. ATC d. ATI
b
Which of the following is true about AC electricity? Select one: a. in the U.S. it oscillates at 120 Hz b. it travels from a hot line and returns on a neutral line c. it always takes the path of highest resistance d. the hot line is always grounded
b
Which general-purpose tool can measure characteristics of electricity in a variety of devices? Select one: a. loopback plug b. POST card c. multimeter d. cable tester
c
Which of the following is most likely to be installed in a PC, is considered primary storage, and has Windows 7 installed on it? Select one: a. floppy drive b. tape drive c. hard disk drive d. optical drive
c
Which type of fire extinguisher should you have available in the event of an electrical fire? Select one: a. Class A b. Class B c. Class C d. Class D
c
Which type of port transmits both digital audio and digital video with a single connector? Select one: a. S-Video b. DVI c. HDMI d. VGA
c
Which unit of electricity measures electrical force and 115 is a common value? a. Amp b. Ohm c. Volt d. Watt
c
If you have a PCI Express Version 2 video card, how many pins will the power connector have if the card requires extra power? a. 4 b. 2 c. 5 d. 8
d
Which unit of electricity measures is used to measure the power consumption of a device? Select one: a. Amp b. Ohm c. Volt d. Watt
d