Quiz 1 Flashcards
(24 cards)
Six types of video ports
VGA, S-Video, DVI, HDMI, DisplayPort, Thunderbolt
Which is faster, a Hi-Speed USB port or a SuperSpeed USB port?
SuperSpeed USB is faster than Hi-Speed USB
What type of output does an S/PDIF port provide?
High quality sound to an audio system
What is the purpose of an expansion slot on a motherboard?
An expansion slot on a motherboard is used for an expansion card, which provides a port or other function that is not provided by the motherboard.
What should be the setting for a dual-voltage selector switch on a power supply when using the computer in the United States
Set the switch to 115 volts
How is the best way to determine if a cable inside a computer is a data and instruction cable or a power cable?
Follow the cable from its source to its destination
What technology standard is commonly used today for hard drives to interface with the motherboard in a system?
SATA (serial ATA)
How many pins did the first P1 power connector to the motherboard have that was used with the original ATX?
20
What type of expansion slot requires extra power so that 4 more pins had to be added to the older 20-pin P1 power connector on the motherboard?
PCI Express (PCIe)
What device might require extra power so that it uses the 12V 6-pin power connector? In what two locations might you find the connector?
A PCI Express video card. The connector might be located on the video card or on the motherboard.
What is the purpose of the 4-pin auxiliary connector on a motherboard?
To provide extra voltage or power for a processor
What is the purpose of the 4-pin Molex connector?
To power older IDE (PATA) drives and some newer SATA drives
Why are laptops usually more expensive than desktop computers with comparable power and features?
Laptops use compact hard drives that can withstand movement even during operation, and small memory modules and CPUs that require less voltage than regular components. In general, it costs more to make similar components that take up less space and require less power.
What type of bus is used by ExpressCard slots?
PCI Express
Which port do you use to connect a docking station to a laptop?
Docking port
What type of memory module is used in a desktop computer? laptop?
DIMM, SO-DIMM
What wireless technology is used when two smart phones in close proximity exchange contact information?
NFC (Near Field Communication)
Which tool can a computer hardware technician use when taking apart a computer to best protect computer components against ESD?
ESD strap (also called a ground bracelet)
What is the purpose of a POST diagnostic card?
To report errors at POST
What are the three purposes accomplished by the motherboard BIOS?
System BIOS manages essential devices, startup BIOS starts the computer, and BIOS setup is used to configure the motherboard
You purchase a new desktop computer that does not have wireless capability, and then you decide that you want to use a wireless connection to the Internet. What are the least expensive ways (pick two) to upgrade your system to wireless?
a. Trade in the computer for another computer that has wireless installed
b. Purchase a second computer that has wireless
c. Purchase a wireless expansion card and install it in your system
d. Purchase a USB wireless adapter and connect it to the computer by way of a USB port
Purchase a wireless expansion card and install it in your system, and d. Purchase a USB wireless adapter and connect it to the computer by way of a USB port (C)
What type of computer is likely to use SO-DIMMs, have an internal power supply, and use a desktop processor socket?
An all-in-one computer
A friend asks you for help in determining the best product to buy: a laptop, tablet, or smart phone. She is a paralegal and spends a lot of time at the courthouse researching real estate titles. She wants a device to take notes with as she works. List three questions you would ask her to help her make her decision.
- How extensive are the notes you want to take?
- What type of notes do you take (text, drawings, or both)?
- How much money do you want to spend?
When troubleshooting a computer hardware problem, which tool might help with each of the following problems?
a. You suspect the network port on a computer is not functioning.
b. The system fails at the beginning of the boot and nothing appears on the screen.
c. A hard drive is not working and you suspect the Molex power connector from the power supply might be the source of the problem.
a. Loopback plug
b. POST diagnostic card
c. Multimeter
