IT Essentials v5.0 Chapter 1 Exam Answers

By | May 4, 2014

1
Which type of memory is primarily used as cache memory?

DRAM

RAM

ROM

SRAM*

2
Which two considerations would be of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)

high-end sound card

number of CPU cores*

water cooling

powerful video card

amount of RAM*

3
Which two devices are considered input devices? (Choose two.)

digital camera*

printer

speakers

biometric authentication device*

projector

4
Which three devices are considered output devices? (Choose three.)

headphones*

keyboard

fingerprint scanner

monitor*

mouse

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 7200 RPM SATA hard drive

a 7200 RPM EIDE hard drive

an SSD*

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 fast EIDE drive

large amounts of fast RAM*

liquid cooling

a high capacity external hard drive

7
Which two storage devices use a magnetic medium for storing data? (Choose two.)

tape drive*

solid state drive

hard disk drive*

compact disk drive

blue-ray disk drive

8

Refer to the exhibit. Which type of adapter is shown?

network interface*

sound

video

RAID

9
Which component controls the communications and interactions between the CPU and other components on the motherboard?

RAM

CMOS

chipset*

BIOS

10
Which two pieces of information are needed before selecting a power supply? (Choose two.)

the total wattage of all components*

the voltage requirements of peripheral devices

the form factor of the case*

the type of CPU

the installed operating system

11
Which memory module has a front side bus speed of 200 MHz?

DDR3-667

PC100 SDRAM

DDR-400*
DDR-333

12
What are two factors that must be considered when choosing a computer case? (Choose two.)

the number of LED indicators at the front of the case

the size of the motherboard and the power supply*

the vendor that manufactured the motherboard

the size of the monitor

the number of internal drive locations*

13
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14
Which unit of measurement is used to indicate the hard drive speed?

pages per minute

gigabytes

revolutions per minute*

clusters per minute

15 Refer to the exhibit. Which type of video card expansion slot is depicted?

PCIe

ISA

PCI

AGP*

16
What type of connector can be used to connect an eSATA interface to an external SATA drive?

7-pin connector*

9-pin connector

15-pin connector

5-pin connector

17
Where can the input voltage selection be changed from 110 volts to 220 volts on a computer system?

on the motherboard

in the BIOS

on the back of the power supply*

in the operating system control panel

18 Refer to the exhibit. Which type of cable is shown in the graphic?

USB

parallel

FireWire

serial*

19
Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)

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*

20
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*

SATA drive

video card

PATA optical drive

floppy drive