[Free] New Updated (October) 220-801 CompTIA Real Exam 21-30

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QUESTION 21

A technician is installing a processor upgrade onto an Intel 775 socket motherboard. Which of the following extra power connectors needs to be plugged in for the board to power on?

 

A.

ATX 4-pin

B.

Molex

C.

PCIe 6-pin

D.

PCIe 8-pin

 

Correct Answer: A

Explanation:

An ATX 4-pin power connector is needed for Intel 775 socket motherboard. The ATX 4-pin is a standard for Intel 775 socket motherboards.

 

 

QUESTION 22

Which of the following are examples of multimedia devices? (Select TWO).

 

A.

Scanner

B.

Digitizer

C.

Webcam

D.

Microphone

E.

Touchscreen

 

Cor

rect Answer: CD

Explanation:

Multimedia is the integration of multiple forms of media. This includes text, graphics, audio, video, etc. For example, a presentation involving audio and video clips would be considered a “multimedia presentation.” Educational software that involves animations, sound, and text is called “multimedia software.” CDs and DVDs are often considered to be “multimedia formats” since they can store a lot of data and most forms of multimedia require a lot of disk space.

Webcam incorporates both audio and video. Similarly, microphone is a multimedia device because it incorporates sound and it can also be used for various applications. Touchscreen, scanner and digitizer are input devices because they require input from the user to function properly.

 

 

QUESTION 23

The term SFF refers to which of the following?

 

A.

CPU speed

B.

Memory size

C.

Motherboard size

D.

HDD size

 

Correct Answer: C

Explanation:

http://en.wikipedia.org/wiki/Small_form_factor

 

 

QUESTION 24

A threaded coaxial connector used to connect to a TV tuner is MOST often referred to as which of the following?

 

A.

F-connector

B.

RJ-11 connector

C.

IEEE 1394 connector

D.

RJ-45 connector

 

Correct Answer: A

Explanation:

http://www.ramelectronics.net/howto-av.aspx (see Television (TV/HDTV) connections

 

 

QUESTION 25

The MAXIMUM transfer rate of eSATA is:

 

A.

1.54 Mbps.

B.

2.0 Gbps.

C.

3.0 Gbps.

D.

480 Mbps.

 

Correct Answer: C

Explanation:

http://en.wikipedia.org/wiki/Serial_ATA

 

 

QUESTION 26

When a power supply does not meet minimum requirements for a motherboard, which of the following can happen?

 

A.

Computer will not POST

B.

Computer will overheat

C.

Monitor will not power on

D.

Processor will not run at proper speed

 

Correct Answer: A

Explanation:

When the power is not supplied to the motherboard, the computer will not start because it needs electricity to run. Hence, the computer will not POST (power on self test)

 

 

QUESTION 27

The SODIMM memory form factor is generally used in which of the following?

 

A.

Laptops

B.

Servers

C.

Desktops

D.

Workstations

 

Correct Answer: A

Explanation:

http://en.wikipedia.org/wiki/SO-DIMM

 

 

QUESTION 28

Which of the following should be used when building a high-end graphics workstation for CAD applications? (Select TWO).

 

A.

Main memory of 8 GB or more

B.

PCI-e video card with large amount of memory

C.

More than 4 accessible USB 2.0 ports

< font face="Arial">D.

A 32-bit OS to handle the large amount of expected disk I/O

E.

An eSATA external drive

 

Correct Answer: AB

Explanation:

CAD applications need high memory and CPU resources to function optimally. Therefore, 8 GB main memory and a PCI-e video card with big memory is needed to render the drawings optimally.

 

 

QUESTION 29

A composite cable connects to which of the following connectors?

 

A.

HDMI

B.

S-video

C.

DVI

D.

RCA

 

Correct Answer: D

Explanation:

http://www.webopedia.com/TERM/R/RCA_cable.html

 

 

 

QUESTION 30

Please click on the exhibit button. Which of the following connector types is displayed?

 

clip_image002

 

A.

BNC

B.

Din-6

C.

DisplayPort

D.

DB-15

 

Correct Answer: D

Explanation:

http://www.winfordeng.com/products/con15.php

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