Exam 1

Created by jorozco2 

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A tower case conserves space since it can double as a monitor stand.
Answer: True or False

False

A DVI port transmits a video signal and is also called a DB-15 port.
Answer: True or 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? True or False

True

Hard drives have three connections for cables: one for reading data, one for writing data, and one for power. True or False

False

Which type of port transmits both digital audio and digital video with a single connector?

HDMI

Which of the following is an audio port that connects to an external home theater audio system, providing digital audio output?

S/PDIF

Which of the following is NOT true of a motherboard?

has a heat sink on the PCIe slots

Which of the following is most likely to be installed in a PC, is considered primary storage, and has Windows 7 installed on it?

hard disk drive

Which component probably has a dual-voltage selector switch, and has cables that connect to the motherboard and drives?

PSU

Which is the most common form factor used today for computer cases, power supplies, and motherboards?

ATX

Which power supply connector is the main motherboard power connector on most motherboards today?

...

If you have a PCI Express Version 2 video card, how many pins will the power connector have if the card requires extra power?

8

Which standard provides the best performance for hard drives?

SATA

Which disk drive standard uses an 80-conductor cable?

EIDE

Which unit of electricity measures electrical force and 115 is a common value?

Volt

Which unit of electricity measures is used to measure the power consumption of a device?

...

Which type of electrical current is used to transmit electricity to our homes and workplaces?

alternating

Which of the following is true about AC electricity?

...

What type of component holds its charge even after the power is turned off and the device is unplugged?

capacitor

Which of the following is true about an FRU?

a support technician should know how to replace one

Which type of fire extinguisher should you have available in the event of an electrical fire?

Class C

What is a result of two objects with dissimilar electrical charges touching?

ESD

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?

POST card

Which general-purpose tool can measure characteristics of electricity in a variety of devices?

multimeter

When disassembling a computer, it's okay to stack circuit boards on top of each other as long as you follow ESD protection rules.
True or False

False

Immediately after you unplug the computer from the power outlet, you're safe to begin working inside the case. True or False

False

The motherboard sits on elevated screw holes or spacers to keep it from touching the case. True of False

True

A system always needs the 4-pin auxiliary power connector, and sometimes needs the P1 connector as well. True of False

True

A board with PCIe slots might have a 4-pin Molex power connector to provide additional power to some types of PCIe boards. True of False

False

Which of the following is NOT a good practice when working inside a computer case?

don't touch a microchip with a magnetized screwdriver

Which of the following is the second step in opening the case of a working computer?

power down the system and unplug it

To what should you normally clip the ground bracelet before you work inside the computer case?

the side of the computer case

What do you call a connector on a motherboard that consists of pins that stick up from the board?

header

Which of the following can be described as round plastic or metal pegs that separate the motherboard from the bottom of the case?

standoff

Which of the following represents the correct order in which you should install components into the case after disassembling a computer?

power supply, drives, motherboard, cards

Which of the following is true about installing the motherboard and connecting power?

a 4-pin power cord supplies supplemental power to the processor

Which of the following is NOT a typical connector found on the front panel header?

SATA controller

Which of the following is the Intel maximum degree limit for processors?

185 F

Which material is a cooler that sits atop the CPU most likely made of?

copper

What is placed between the bottom of the cooler heat sink and the top of the processor that makes an airtight connection between the fan and processor?

thermal compound

Along with the processor, what other device is the highest heat producer in the system?

video card

Under what circumstance is a liquid cooling system most likely used?

overclocking

If your computer is in a dirty, dusty environment, what tool should you use periodically to prevent overheating?

compressed air

What determines the physical size of a power supply and the placement of screw holes?

form factor

Which of the following is true about fans in the computer system?

large fans tend to run quieter

Which technology may require that you purchase a power supply that specifically supports that technology?

SLI

Which of the following is a consideration when purchasing a power supply with the correct wattage?

the power supply should be rated 30% higher than your needs

What is the result of using a 3-pin fan connector on a 4-pin header on the motherboard?

the fan speed cannot be controlled

What does a small triangle embedded on a connector signify?

the wire nearest the triangle is pin 1

When you build a computer from parts, you usually start by deciding on which processor and motherboard you will use. True or False

True

A FlexATX motherboard is larger than an ATX motherboard. True or False

False

Typically, PGA sockets give better contact than LGA sockets.

False

Sandy Bridge processors house the memory controller and graphics controller.

True

Motherboards contain only a single bus for I/O, video, and data.

False

Which of the following is the smallest motherboard form factor?

FlexATX

Which Intel CPU socket is discontinued?

Socket 478

Which socket type is soldered to the motherboard, along with the CPU?

BGA

What type of socket ensures that even force is applied to the processor when it is being installed in the socket?

ZIF

Which motherboard slot has direct access to the North Bridge?

primary PCIe slot

Which of the following is a technology that allows for multiple video cards to work together in one system?

...

What unit is used to measure the frequency of memory, FSB, and the processor?

Hz

What type of bus does PCI Express use?

serial

Where do today's computers store almost all motherboard configuration data?

CMOS RAM

If you need to reset the BIOS password on a motherboard and the instructions say to make sure jumper J1 is open, what should you do?

open the case and remove the cover from a set of pins marked J1.

Which of the following represents a method for accessing the BIOS setup program?

press a key during the BIOS POST

What has occurred if you see the message "Chassis Intruded! System has halted." the next time you start your computer?

the case has been opened

What should you do if you want to be able locate your laptop in the event of loss or theft and give it a command through the Internet to lock it or delete data?

subscribe to LoJack for Laptops

What must your motherboard have to use BitLocker Encryption in Windows 7 which will ensure that your hard drive cannot be used in another computer?

TRM chip

What is a possible remedy if your system hangs at odd time or during the boot?

flash the BIOS

At what point during the motherboard installation should you install the motherboard drivers?

...

issued by a slow device that is not ready

wait state

when one physical machine hosts multiple activities that are normally done on multiple machines.

virtualization

a device dedicated to timing the activities on the motherboard

system clock

a set of components on the motherboard that work closely with the processor to control the memory, buses, and peripherals.

chipset

The two major manufacturers of processors are Intel and NVIDIA. True or False

False

Multiple processors can be installed in a single processor housing.

True

When installing a processor, you must line up the red circle on the processor with the right-angle mark on the motherboard.

False

Today's DIMMs use a 64-bit data path.

True

What is the general name of the processor feature that AMD calls HyperTransport?

multithreading

Which type of processor memory is located on the processor chip (processor die)?

Level 1 cache

Which of the following is NOT a component of a processor?

device driver

Which Intel processor technology interconnects the processor, chipset, and wireless network adapter as a unit, improving laptop performance?

centrino

Which of the following is true about installing a processor on a motherboard?

after placing the processor in the socket, you need to lock down the lever

What is the most likely result of a correctly installed processor, but an incorrectly installed cooler?

...

What unit of measurement is used for DIMM read and write times?

nanoseconds

Which of the following is true about DIMM technologies?

SDRAM runs synchronized with the system clock

Which of the following is true about DIMM slots?

...

What is the transfer rate of a 64-bit module running at 1600 MHz?

...

DIMMs used in servers can provide additional reliability if they use which of the following technologies?

ECC

A DIMM that holds data and amplifies a signal before the data is written to the module uses which technology?

registers

Which memory technology that is no longer used has a 32-bit data bus, 232 pins and requires a placeholder in empty slots?

RIMMS

What technology in a DIMM informs the BIOS of the module's size, speed, voltage, and data path width?

SPD

Which of the following memory configurations definitely will not work when populating a motherboard with DIMMs?

mixing unbuffered with registered

Which of the following is NOT a necessary precaution when installing memory modules?

test the motherboard for residual electrical charges

n error checking technology used by DIMMs

ECC

a rambus memory module

RDRAM

a technology that allows a processor to handle more than one group of instructions.

hyper-threading

a placeholder module used in Rambus memory configurations

C-RIMM

memory chips installed on one side of the module

single-sided

The 2.5" size hard drive is typically used in devices such as MP3 players. True or False?

False

The read/write head on a magnetic hard drive is at both the top and bottom of each disk. True or False?

True

The 80-conductor IDE cable has 80 pins and 40 wires.? True or False?

False

Each IDE header on a motherboard can support up to two IDE devices.?True or False

False

If you connect the floppy cable in the wrong direction, the floppy drive light stays on continuously?True of False?

True

Which of the following is NOT true about hard disk drives?

sold state drives are less expensive than magnetic hard drives.

Which process writes sector markings to a hard drive?

low-level formatting.

Which hard drive technology is used to predict when a drive is likely to fail?

S.M.A.R.T.

Which type of cable is required by ATA/66 and above?

40 pins, 80 wires

Why would you use a round PATA ribbon cable instead of traditional flat cable?

Round cables obstruct air flow less inside the case.

Which of the following is true about SCSI drives?

SCSI ID 7 has a higher priority than SCSI ID 10.

Which of the following is true about selecting a hard drive?

magnetic drives have larger capacity for the money than solid state drives

What should you keep in mind when installing hard drives?

If you are adding a hard drive to a system that already has a drive with Windows installed on it, which of the following is true?

Which is true about installing a PATA drive?

a motherboard can support up to four EIDE devices

Why might you want to use a RAID 0 disk configuration

to improve overall disk performance

Which of the following is true about hardware RAID?

RAID controllers have their own BIOS

Which interface is not typically used for an internal tape drive?

FireWire

How is data stored on magnetic tape?

sequentially

How much data does a 3.5" floppy disk drive hold?

1.44MB

What does a twist in a 34-pin data cable mean?

it indicates drive A:

a chip that contains grids of rows and columns with two transistors at each intersection that hold a zero or one bi

NAND flash memory

a RAID 0 volume.

striped volume.

A feature in startup BIOS that detects a new drive and selects the correct drive configuration.

autodetection.

A computer's ability to respond to a hardware failure.

fault tolerance.

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