Question 1
Question
What are two factors that must be considered when choosing a computer case (Choose two.)
Answer
-
The size of the monitor
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The vendor that manufactured the motherboard
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The number of external or internal drive locations.
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The size of the motherboard and the power supply
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The number of LED indicators at the front of the case.
Question 2
Question
What are the two connector types for the 1394a interface? (Choose two.)
Answer
-
2-pin
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4-pin
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6-pin
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8-pin
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9-pin
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15-pin
Question 3
Question
What is a function of a KVM switch?
Answer
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Digitizes an image or document and sends the information to multiple computers
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Stores images from both digital still cameras and digital video cameras on magnetic media
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Provides capability to share a keyboard, a mouse, USB devices, and speakers with multiple computers.
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Provides biometric identification to an individual user by the use of fingerprints, voice recognition, or a retinal scan
Question 4
Question
A student has passed the CompTIA A+ Certification exam. Based on this passing score, for which job is the student now qualified?
Question 5
Question
Which type of ROM can be reprogrammed with software while it is still physically installed in the computer?
Question 6
Question
Which type of computer resources are direct lines to the processor and are used by computer components to request attention from the CPU?
Answer
-
DMAs
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I/O addresses
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IRQs
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Memory addresses
Question 7
Question
Which three devices are considered output devices? (Choose three.)
Answer
-
fingerprint scanner
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headphones
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keyboard
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monitor
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mouse
-
printer
Question 8
Question
Which technology would be best to use for drive redundancy and data protection?
Question 9
Question
Which two devices are considered input devices (Choose two.)
Question 10
Question
Which two form factors are commonly used to build a new computer? (Choose two.)
Question 11
Question
What is the function of a fan on top of a heat sink?
Answer
-
to cool the memory modules
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to move the heat away from the CPU
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to draw cool air into the computer case
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to provide a water-cooling system for extremely fast CPUs.
Question 12
Question
Which important feature is offered by the USB standard?
Answer
-
A single USB connection to a computer can support up to 255 separate devices.
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It offers rates of around 580 Mb/sec in low-speed mode.
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It allows up to 920 Mb/sec in the 2.0 version.
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It can supply power from the computer to devices.
Question 13
Question
Which three system resources are commonly used for communication between the CPU or memory and other components in the computer? (choose three.)
Answer
-
IRQ
-
DMA
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UDP
-
I/O address
-
USB
-
PnP
Question 14
Question
Which memory module has a front side bus speed of 200 Mhz?
Answer
-
DDR-333
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DDR-400
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DDR3-667
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PC100 SDRAM
Question 15
Question
A technician receives a complaint of poor image quality after the user changes the native resolution. While investigating the complaint, the technician discovers there is a mismatch between native mode and the native resolution of the peripheral. Which item is configured incorrectly?
Question 16
Question
What is a function of the operating system in a computer?
Answer
-
It defines the physical components in the computer.
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It instructs the computer how to process information
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It provides instructions on how to access the Internet.
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It identifies the type of firmware that is installed in the computer
Question 17
Question
A technician creates a simple circuit that has a 9 V light bulb attached to a 9 V battery. The power output of the light bulb is 100 W. Which equation should be used to calculate how much current in amps is required to achieve the full 100 W output from the 9 V bulb.
Question 18
Question
Refer to the exhibit. Based on the advertisement that is shown, what is the native resolution of this computer system?
Answer
-
8x
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3 GB
-
2.0 GHz
-
1919 MB
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1280 x 800
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13.35 x 9.57
Question 19
Question
Which IEEE standard defines the FireWire technology?
Question 20
Question
How many FireWire devices can be supported by a single FireWire port?
Question 21
Question
Which type of memory is primarily used as cache memory?
Question 22
Question
Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
Answer
-
High-end sound card
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number of CPU cores
-
water cooling
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powerful video card
-
amount of RAM
Question 23
Question
A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard drive finds the performance unsatisfactory. Which hard drive upgrade would improve performance while providing more reliability and using less power?
Answer
-
a 7200 RPM SATA hard drive
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a 7200 RPM EIDE hard drive
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an SSD
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a 10,000 RPM SATA hard drive
Question 24
Question
Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?
Question 25
Question
Which two storage devices use a magnetic medium for storing data? (Choose two.)
Answer
-
tape drive
-
solid state drive
-
hard disk drive
-
compact disk drive
-
blue-ray disk drive
Question 26
Question
Refer to the exhibit. Which type of adapter is shown?
Answer
-
network interface
-
sound
-
video
-
RAID
Question 27
Question
Which component controls the communications and interactions between the CPU and other components on the motherboard?
Question 28
Question
Which two pieces of information are needed before selecting a power supply?
Answer
-
the total wattage of all components
-
the voltage requirements of peripheral devices
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the form factor of the case
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the type of CPU
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the installed operating system
Question 29
Question 30
Question
Which unit of measurement is used to indicate the hard drive speed?
Answer
-
pages per minute
-
gigabytes
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revolutions per minute
-
clusters per minute
Question 31
Question
Refer to the exhibit. Which type of video card expansion slot is depicted?
Question 32
Question
What type of connector can be used to connect an eSATA interface to an external SATA drive?
Answer
-
7-pin connector
-
9-pin connector
-
15-pin connector
-
5-pin connector
Question 33
Question
Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system?
Question 34
Question 35
Question
Refer to the exhibit. Which type of cable is shown in the graphic?
Answer
-
USB
-
parallel
-
FireWire
-
serial
Question 36
Question
Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
Answer
-
communication between the CPU and the sound card.)
-
communication between the CPU and the hard drive
-
access to the RAM
-
communication between the CPU and the I/O ports
-
access to the video card
Question 37
Question
A technician looks at a motherboard and sees a 24-pin connector. What components would connect to the motherboard through the use of this 24-pin connector?
Answer
-
power supply
-
SATA drive
-
video card
-
PATA optical drive
-
floppy drive