IT Essentials Chapter 1 V5.0 Answers

1. 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

 

2. 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

 

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

headphones

keyboard

fingerprint scanner

monitor

mouse printer

 

4. 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

 

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

PCIe

ISA

PCI

AGP

 

6. 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

 

7. 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

 

8. 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

 

9. 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

 

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

USB

parallel

FireWire

serial

 

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

DDR3-667

PC100 SDRAM

DDR-400

DDR-333

 

12. 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

 

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

pages per minute

gigabytes

revolutions per minute

clusters per minute

 

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

RAM

CMOS

chipset

BIOS

 

15. 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

 

16.

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

network interface

sound

video

RAID

 

17. This is a flash item. Please click below to answer this item.

 

18. 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

 

19. Which type of memory is primarily used as cache memory?

DRAM

RAM

ROM

SRAM

 

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

digital camera

printer

speakers

biometric authentication device

projector