Chapter 1 Review

Types of video ports`

1. VGA 2. S-Video 3. DVI 4. HDMI 5. DisplayPort 6. Thunderbolt

How many pins did the first P1 power connector to the motherboard have that was used with the original ATX?

20

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 type of memory module is used in a computer?

DIMM

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 type of output does an S/PDIF port provide?

High quality sound to an audio system

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?

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 wireless technology is used when two smart phones in close proximity exchange contact information

Near Field Communication (NFC)

What type of bus is used by ExpressCard slots?

PCI Express

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)

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?

Purchase a wireless expansion card and install it in your system Purchase a USB wireless adapter and connect it to the computer by way of a USB port

What technology standard is commonly used today for hard drives to interface with the motherboard in a system?

SATA (serial ATA)

What type of memory module is used in a laptop?

SO-DIMM

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

Which is faster, a Hi-Speed USB port or a SuperSpeed USB port?

SuperSpeed USB

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

What is the purpose of the 4-pin Molex connector?

To power older IDE (PATA) drives and some newer SATA drives

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 an expansion slot on a motherboard?

Used for an expansion card, which provides a port or other function that is not provided by the motherboard.

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

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

Which port do you use to connect a docking station to a laptop?

Docking port

Which tool can a computer hardware technician use when taking apart a computer to best protect computer components against ESD?

ESD strap