1
Q
- 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?
A
stylus*
2
Q
- 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?
A
biometric scanner*
3
Q
- 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?
A
AR headset*
4
Q
- 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?
A
keyboard*
5
Q
- 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?
A
magstripe reader*
6
Q
- 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?
A
NFC device*
7
Q
- 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?
A
magstripe reader*
8
Q
- 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?
A
projector*
9
Q
- 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?
A
flatbed scanner*
10
Q
- 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?
A
joystick or gamepad*
11
Q
- Which characteristic describes DDR3 SDRAM?
A
chips that run at clock speeds of 800 MHz and have a connector with 240 pins*
12
Q
- Which characteristic describes ECC memory?
A
chips that can detect multiple bit errors and correct single bit errors in memory*
13
Q
- Which characteristic describes GDDR SDRAM?
A
chips specifically designed for video graphics that are used in conjunction with a dedicated GPU*
14
Q
- Which characteristic describes ROM?
A
a chip that cannot be erased or rewritten and is now obsolete*
15
Q
- Which characteristic describes a DIP?
A
an individual memory chip that has dual rows of pins used to attach it to the motherboard*
16
Q
- Which characteristic describes PROM?
A
chips that are manufactured blank and then can be programmed once by a PROM programmer*
17
Q
- Which characteristic describes a SIMM?
A
a small circuit board that holds several memory chips and has a 30- or 72-pin configuration*
18
Q
- Which characteristic describes EPROM?
A
a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light*
19
Q
- Which characteristic describes a SIMM?
A
a small circuit board that holds several memory chips and has a 30- or 72-pin configuration*
20
Q
- Which characteristic describes EPROM?
A
a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light*
21
Q
- 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*
22
Q
- Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
A
access to the RAM*
access to the video card*
23
Q
- Which two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.)
A
USB ports*
hard drive*
24
Q
- Which statement describes the proper use of an anti-static wrist strap?
A
An anti-static wrist strap should make contact with the skin.*
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?
ECC*
26
26. Which type of memory is primarily used as cache memory?
SRAM*
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?
video capture card*
28
28. Which two storage devices use a magnetic medium for storing data? (Choose two.)
tape drive*
| hard disk drive*
29
29. Which unit of measurement is used to indicate the hard drive speed?
revolutions per minute*
30
30. What three voltages are commonly provided by the power supply to the various components inside the computer? (Choose three.)
3.3 volts *
5 volts*
12 volts*
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?
an available PATA/SATA connection*
32
32. Which component controls the communications and interactions between the CPU and other components on the motherboard?
chipset*
33
33. Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?
It is used in conjunction with a dedicated GPU.*
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?
Install an SSD drive in each computer.*
35
35. Refer to the exhibit. Which two port types are shown in the graphic? (Choose two.)
network*
| USB*
36
36. From which type of data storage does the CPU load information for processing during normal operation?
RAM*
37
37. Refer to the exhibit. Which type of adapter is shown?
network interface*
38
38. Which type of device would be used on a laptop to verify the identity of a user?
a biometric identification device*
39
39. Which two devices are considered input devices? (Choose two.)
biometric authentication device*
| digital camera*
40
40. What is an active cooling solution for a PC?
Add an additional case fan.*
41
41. Which tool can protect computer components from the effects of ESD?
antistatic wrist strap*
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?
HDMI*
43
43. Which statement describes a characteristic of SRAM in a PC?
It is used for cache memory.*
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?
KVM switch*
It Essentials
flashcards
Decks in class (1)
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