IT Essentials Chapter 1 V5.0
Version 5. 0 2014
- 1.Which type of memory is primarily used as cache memory?
- A.
DRAM
- B.
RAM
- C.
ROM
- D.
SRAM
- 2.Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
- A.
High-end sound card
- B.
Number of CPU cores
- C.
Water cooling
- D.
Powerful video card
- E.
Amount of RAM
- 3.Which two devices are considered input devices? (Choose two.)
- A.
Digital camera
- B.
Printer
- C.
Speakers
- D.
Biometric authentication device
- E.
Projector
- 4.Which three devices are considered output devices? (Choose three.)
- A.
Headphones
- B.
Keyboard
- C.
Fingerprint scanner
- D.
Monitor
- E.
Mouse
- F.
Printer
- 5.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.
A 7200 RPM SATA hard drive
- B.
A 7200 RPM EIDE hard drive
- C.
An SSD
- D.
A 10,000 RPM SATA hard drive
- 6.Which hardware upgrade would allow the processor in a gaming PC to provide the optimal gaming performance?
- A.
A fast EIDE drive
- B.
Large amounts of fast RAM
- C.
Liquid cooling
- D.
A high capacity external hard drive
- 7.Which two storage devices use a magnetic medium for storing data? (Choose two.)
- A.
Tape drive
- B.
Solid state drive
- C.
Hard disk drive
- D.
Compact disk drive
- E.
Blue-ray disk drive
- 8.Refer to the exhibit. Which type of adapter is shown?
- A.
Network interface
- B.
Sound
- C.
Video
- D.
RAID
- 9.Which component controls the communications and interactions between the CPU and other components on the motherboard?
- A.
RAM
- B.
CMOS
- C.
Chipset
- D.
BIOS
- 10.Which memory module has a front side bus speed of 200 MHz?
- A.
DDR3-667
- B.
PC100 SDRAM
- C.
DDR-400*
- D.
DDR-333
- 11.What are two factors that must be considered when choosing a computer case? (Choose two.)
- A.
The number of LED indicators at the front of the case
- B.
The size of the motherboard and the power supply
- C.
The vendor that manufactured the motherboard
- D.
The size of the monitor
- E.
The number of internal drive locations
- 12.Which unit of measurement is used to indicate the hard drive speed?
- A.
Pages per minute
- B.
Gigabytes
- C.
Revolutions per minute
- D.
Clusters per minute
- 13.Refer to the exhibit. Which type of video card expansion slot is depicted?
- A.
PCIe
- B.
ISA
- C.
PCI
- D.
AGP
- 14.What type of connector can be used to connect an eSATA interface to an external SATA drive?
- A.
7-pin connector
- B.
9-pin connector
- C.
15-pin connector
- D.
5-pin connector
- 15.Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system?
- A.
On the motherboard
- B.
Where can the input voltage selection be changed from 110 volts to 220 volts on a computer in the BIOS
- C.
On the back of the power supply
- D.
In the operating system control panel
- 16.Refer to the exhibit. Which type of cable is shown in the graphic?
- A.
USB
- B.
Parallel
- C.
FireWire
- D.
Serial
- 17.Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
- A.
Communication between the CPU and the sound card
- B.
Communication between the CPU and the hard drive
- C.
Access to the RAM
- D.
Communication between the CPU and the I/O ports
- E.
Access to the video card
- 18.Which two pieces of information are needed before selecting a power supply? (Choose two.)
- A.
The total wattage of all components
- B.
The voltage requirements of peripheral devices
- C.
The form factor of the case
- D.
The type of CPU
- E.
The installed operating system
- 19.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?
- A.
Power supply
- B.
SATA drive
- C.
Video card
- D.
PATA optical drive
- E.
Floppy drive
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