Deck #003

Question 1

To prevent damage to a computer, the computer should be connected to which of the following?

a) A power strip
b) A power inverter
c) An AC to DC converter
d) A UPS

Answer 1

Answer: d

Question 2

Which of the following are ports you might find on smartphones and tablets? (Select the two best answers.)

a) eSATA
b) Micro USB
c) Lightning
d) DVI

Answer 2

Answer: b, c

Question 3

Which of the following has the fastest data throughput?

a) CD-ROM
b) Hard drive
c) RAM
d) USB

Answer 3

Answer: c

Question 4

Which of the following CPU cooling methods is the most common?

a) Heat sink
b) Heat sink and fan
c) Liquid cooling
d) Liquid nitrogen

Answer 4

Answer: b

Question 5

Which of the following is not a video port?

a) DVI
b) HDMI
c) DisplayPort
d) S/PDIF

Answer 5

Answer: d

Question 6

Which of the following is necessary for a CAD/CAM workstation? (Select the two best answers.)

a) Powerful CPU
b) HDMI output
c) Surround sound
d) High-end video

Answer 6

Answer: AD

Question 7

Which of the following technologies allows two mobile devices to transfer data simply by touching them together?

a) USB
b) NFC
c) Bluetooth
d) Wi-Fi

Answer 7

Answer: b

Question 8

Which kind of current does a typical desktop PC draw from a wall outlet?

a) Direct current
b) Neutral current
c) Alternating current
d) Draw current

Answer 8

Answer: c

Question 9

Which of the following are output devices? (Select the three best answers.)

a) Speakers
b) Keyboard
c) Mouse
d) Printer
e) Display
f) Touchpad

Answer 9

Answer: a, d, e

Question 10

A customer complains that he gets a headache when he views his display for more than an hour. What should you do?

a) Raise the resolution to a higher setting.
b) Install an antiglare filter.
c) Dim the lights near the customer’s desk.
d) Upgrade the video connector from DVI to VGA.

Answer 10

Answer: b

Question 11

What does the b in 1000 Mbps stand for?

a) Megabytes
b) Bits
c) Bytes
d) Bandwidth

Answer 11

Answer: b

Question 12

When running cable through drop ceilings, which type of cable do you need?

a) PVC
b) Category 5
c) Strong cable
d) Plenum

Answer 12

Answer: B

Question 13

Which device connects multiple computers together in
a LAN?

a) Modem
b) Router
c) Switch
d) Firewall

Answer 13

Answer: C

Question 14

Which of the following components is not usually found on a motherboard?

a) Hard drive controller
b) DVD drive controller
c) Memory
d) Video adapter

Answer 14

Answer: B.

DVD drives will use either the ATA or SCSI bus to attach to a computer, so they are not likely to require a controller. Thus, a controller will not be found on the motherboard. For more information, see the section labeled “Storage Devices.”

Question 15

What type of memory is not usually found on a motherboard?

a) CMOS memory
b) L1 Cache
c) L2 Cache
d) DIMM

Answer 15

Answer: B.

L1 Cache is integrated into the CPU, so it is not found on the motherboard. For more information, see the section labeled “Memory.

Question 16

The power supply converts 110-volt AC current to which of the following?

a) 3.3 volts and 5 volts
b) 3.3 volts
c) 6 volts
d) 12 volts

Answer 16

Answer: A.

Most power supplies have leads that supply either 3.3 volts or 5 volts. For more information, see the section labeled “Power Supply.”

Question 17

What is the primary purpose of the processor?

a) To convert digital signals into analog signals
b) To process signals so that they can be displayed on your monitor
c) To carry out instructions from the operating system
d) To convert 16-bit data into 8- or 32-bit data

Answer 17

Answer: c

Question 18

What unit is used to measure RAM speed?

a) Milliseconds
b) Gigaseconds
c) Picoseconds
d) Nanoseconds

Answer 18

Answer: D.

The normal measurement for RAM is nanoseconds. For more information, see the section labeled “Memory.”

Question 19

Which of the following bus types is the hard drive usually attached to? (Select two)

a) A.ADE
b) B.IDE
c) C.PCA
d) D.SCSI

Answer 19

Answer: B, D.

Hard drives are usually attached to IDE and SCSI buses. The IDE bus is now usually referred to as ATA. Many laptops also support PCMCIA, or PC card drives as well. For more information, see the section labeled “Storage Devices.”

Question 20

What standard do most current monitors follow?

a) VGA
b) SVGA
c) CGA
d) FLAT

Answer 20

Answer: B.

SVGA is the current graphic standard that monitors follow.

Question 21

Modems are usually attached to a computer through the ___________ port.

a) Serial
b) Sequential
c) Parallel
d) Modem

Answer 21

Answer: A.

Modems are serial devices, and as such, are attached to the serial port.

Question 22

Firmware is composed of which of the following? (Choose two)

a) Software
b) Middleware
c) Hardware
d) Componentware

Answer 22

Answer: A, C.

Firmware consists of programming code or software that is contained within a hardware component, such as a ROM chip.

Question 23

Which of the following is part of the POST process?

a) Loading of device drivers
b) Scanning the hard drive for errors
c) Processes in config.sys
d) Locating a bootable device.

Answer 23

Answer: D.

Locating a bootable device is part of the POST. Once the device is found, config.sys is processed by the boot loader.

Question 24

The programs that allow the POST to take place are stored in________________.

a) BIOS
b) CMOS
c) RAM
d) POSTOS

Answer 24

Answer: A.

BIOS contains the programs that allow the POST to take place. The BIOS is stored on a ROM or an EPROM.

Question 25

What is the purpose of a “port replicator”?

a) It enables you to double the number of COM ports on your computer.
b) It routes data from one computer to another.
c) It provides additional ports for a laptop computer.
d) It provides a communication path between serial and parallel ports.

Answer 25

Answer: C.

A port replicator provides additional ports for some laptop computers. Some laptops do not have external serial, parallel, video, or other ports. The port replicator provides these ports so that additional devices can be connected to the laptop.