Which type of memory is primarily used as cache memory?
DRAM
RAM
ROM
SRAM
Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two)
amount of RAM
number of CPU cores
water cooling
powerful video card
high-end sound card
Which three devices are considered output devices?
fingerprint scanner
headphones
keyboard
monitor
mouse
printer
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?
a 7200 RPM EIDE hard drive
a 7200 RPM SATA hard drive
a 10,000 RPM SATA hard drive
an SSD
Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?
large amounts of fast RAM
liquid cooling
a fast EIDE drive
a high capacity external hard drive
Which two storage devices use a magnetic medium for storing data? (Choose two.)
tape drive
solid state drive
hard disk drive
blue-ray disk drive
compact disk drive
Which two pieces of information are needed before selecting a power supply? (Choose two.)
the type of CPU
the form factor of the case
the installed operating system
the total wattage of all components
the voltage requirements of peripheral devices
Which memory module has a front side bus speed of 200 MHz?
DDR-333
DDR-400
DDR3-667
PC100 SDRAM
What are two factors that must be considered when choosing a computer case? (Choose two.)
the size of the monitor
the vendor that manufactured the motherboard
the number of internal drive locations
the size of the motherboard and the power supply
the number of LED indicators at the front of the case
Choose 2 characteristics of RAID 0:
highest performance
disk mirrorring
combination of data striping and parity
data striping without redundancy
ability of data to be rebuilt with information from the other drives
high performance and high protection because data is duplicated
Choose 2 characteristics of RAID 1:
Choose 2 characteristics of RAID5:
Refer to the exhibit. Which type of video card expansion slot is depicted?
AGP
ISA
PCI
PCIe
What type of connector can be used to connect an eSATA interface to an external SATA drive?
5-pin connector
7-pin connector
9-pin connector
15-pin connector
SCSI
7-pin cable that connects to an external hard drive
can support up to 15 devices and must be terminated at the end of the chain
6-pin mini-DIN connector for a keyboard or mouse
transmits 8 bits of data at one time and uses the IEEE 1284 standard
uses either a DB-9 or DB-25 connector and transmits one bit of data at a time
PS/2
serial
parallel
eSATA
Refer to the exhibit. Which type of cable is shown in the graphic?
FireWire
USB
Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
communication between the CPU and the I/O ports
access to the RAM
communication between the CPU and the hard drive
access to the video card
communication between the CPU and the sound card
A technician looks at a motherboard and sees a 24-pin connector. What component would connect to the motherboard through the use of this 24-pin connector?
power supply
video card
PATA optical drive
SATA drive
floppy drive