Chapter 1

Question 1

1. A customer comes into a computer parts and service store. The customer is looking for a device to help a person with accessibility issues input instructions into a laptop by using a pen. What device should the store owner recommend to accomplish the required task?

Answer 1

stylus*

Question 2

2. A customer comes into a computer parts and service store. The customer is looking for a device to provide secure access to the central server room using a retinal scan. What device should the store owner recommend to accomplish the required task?

Answer 2

biometric scanner*

Question 3

3. A customer comes into a computer parts and service store. The customer is looking for a device to help when repairing an airplane and that will allow the customer to see and interact with the repair manual at the same time. What device should the store owner recommend to accomplish the required task?

Answer 3

AR headset*

Question 4

4. A customer comes into a computer parts and service store. The customer is looking for a device to manually input text for a new networking textbook that the customer is writing. What device should the store owner recommend to accomplish the required task?

Answer 4

keyboard*

Question 5

5. A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?

Answer 5

magstripe reader*

Question 6

6. A customer comes into a computer parts and service store. The customer is looking for a device to allow users to tap and pay for their purchases. What device should the store owner recommend to accomplish the required task?

Answer 6

NFC device*

Question 7

7. A customer comes into a computer parts and service store. The customer is looking for a device to allow secure access to the main doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?

Answer 7

magstripe reader*

Question 8

8. A customer comes into a computer parts and service store. The customer is looking for a device to display a promotional presentation to a large audience at a conference. What device should the store owner recommend to accomplish the required task?

Answer 8

projector*

Question 9

9. A customer comes into a computer parts and service store. The customer is looking for a device to scan some old family photos into a laptop. What device should the store owner recommend to accomplish the required task?

Answer 9

flatbed scanner*

Question 10

10. A customer comes into a computer parts and service store. The customer is looking for a device to train pilots how to land and take off in a computer simulation environment. What device should the store owner recommend to accomplish the required task?

Answer 10

joystick or gamepad*

Question 11

11. Which characteristic describes DDR3 SDRAM?

Answer 11

chips that run at clock speeds of 800 MHz and have a connector with 240 pins*

Question 12

12. Which characteristic describes ECC memory?

Answer 12

chips that can detect multiple bit errors and correct single bit errors in memory*

Question 13

13. Which characteristic describes GDDR SDRAM?

Answer 13

chips specifically designed for video graphics that are used in conjunction with a dedicated GPU*

Question 14

14. Which characteristic describes ROM?

Answer 14

a chip that cannot be erased or rewritten and is now obsolete*

Question 15

15. Which characteristic describes a DIP?

Answer 15

an individual memory chip that has dual rows of pins used to attach it to the motherboard*

Question 16

16. Which characteristic describes PROM?

Answer 16

chips that are manufactured blank and then can be programmed once by a PROM programmer*

Question 17

17. Which characteristic describes a SIMM?

Answer 17

a small circuit board that holds several memory chips and has a 30- or 72-pin configuration*

Question 18

18. Which characteristic describes EPROM?

Answer 18

a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light*

Question 19

19. Which characteristic describes a SIMM?

Answer 19

a small circuit board that holds several memory chips and has a 30- or 72-pin configuration*

Question 20

20. Which characteristic describes EPROM?

Answer 20

a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light*

Question 21

21. 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?

Answer 21

power supply*

Question 22

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

Answer 22

access to the RAM*

access to the video card*

Question 23

23. Which two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.)

Answer 23

USB ports*

hard drive*

Question 24

24. Which statement describes the proper use of an anti-static wrist strap?

Answer 24

An anti-static wrist strap should make contact with the skin.*

Question 25

25. A technician is building a thick client workstation that would be used to run a database and wants to ensure the best protection against errors. What type of memory would be best suited for this?

Answer 25

ECC*

Question 26

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

Answer 26

SRAM*

Question 27

27. Which adapter would a technician install in a desktop computer to enable a video signal to be recorded from a video recorder to the computer hard drive?

Answer 27

video capture card*

Question 28

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

Answer 28

tape drive*

hard disk drive*

Question 29

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

Answer 29

revolutions per minute*

Question 30

30. What three voltages are commonly provided by the power supply to the various components inside the computer? (Choose three.)

Answer 30

3.3 volts *
5 volts*
12 volts*

Question 31

31. A customer needs additional storage space on an older computer. What will the technician look at in the computer to determine if an additional hard drive can be added?

Answer 31

an available PATA/SATA connection*

Question 32

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

Answer 32

chipset*

Question 33

33. Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?

Answer 33

It is used in conjunction with a dedicated GPU.*

Question 34

34. Hard drives in a grocery warehouse keep failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure rate?

Answer 34

Install an SSD drive in each computer.*

Question 35

35. Refer to the exhibit. Which two port types are shown in the graphic? (Choose two.)

Answer 35

network*

USB*

Question 36

36. From which type of data storage does the CPU load information for processing during normal operation?

Answer 36

RAM*

Question 37

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

Answer 37

network interface*

Question 38

38. Which type of device would be used on a laptop to verify the identity of a user?

Answer 38

a biometric identification device*

Question 39

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

Answer 39

biometric authentication device*

digital camera*

Question 40

40. What is an active cooling solution for a PC?

Answer 40

Add an additional case fan.*

Question 41

41. Which tool can protect computer components from the effects of ESD?

Answer 41

antistatic wrist strap*

Question 42

42. Which type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?

Answer 42

HDMI*

Question 43

43. Which statement describes a characteristic of SRAM in a PC?

Answer 43

It is used for cache memory.*

Question 44

44. A customer has a computer for a home business, but wants to have another computer as a web server. What would be the best solution for the customer to share the monitor, mouse, and keyboard between the two computers?

Answer 44

KVM switch*