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IT Essentials (Version 8.0) Chapter 1 Exam Answers
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Question 1 of 47
1. Question
1 pointsA 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?Correct
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Question 2 of 47
2. Question
1 pointsA 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?Correct
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Question 3 of 47
3. Question
1 pointsA 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?Correct
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Question 4 of 47
4. Question
1 pointsA 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?Correct
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Question 5 of 47
5. Question
1 pointsA 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?Correct
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Question 6 of 47
6. Question
1 pointsA 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?Correct
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Question 7 of 47
7. Question
1 pointsA 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?Correct
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Question 8 of 47
8. Question
1 pointsA 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?Correct
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Question 9 of 47
9. Question
1 pointsA 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?Correct
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Question 10 of 47
10. Question
1 pointsA 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?Correct
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Question 11 of 47
11. Question
1 pointsWhich characteristic describes DDR3 SDRAM?Correct
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Question 12 of 47
12. Question
1 pointsWhich characteristic describes ECC memory?Correct
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Question 13 of 47
13. Question
1 pointsWhich characteristic describes GDDR SDRAM?Correct
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Question 14 of 47
14. Question
1 pointsWhich characteristic describes ROM?Correct
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Question 15 of 47
15. Question
1 pointsWhich characteristic describes a DIP?Correct
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Question 16 of 47
16. Question
1 pointsWhich characteristic describes PROM?Correct
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Question 17 of 47
17. Question
1 pointsWhich characteristic describes a SIMM?Correct
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Question 18 of 47
18. Question
1 pointsWhich characteristic describes EPROM?Correct
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Question 19 of 47
19. Question
1 pointsWhich characteristic describes a SIMM?Correct
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Question 20 of 47
20. Question
1 pointsWhich characteristic describes EPROM?Correct
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Question 21 of 47
21. Question
1 pointsA 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?Correct
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Question 22 of 47
22. Question
1 pointsWhich two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)Correct
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Hint
The Northbridge chipset generally controls access to the RAM, video card, and the speeds at which the CPU can communicate with them. -
Question 23 of 47
23. Question
1 pointsWhich two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.)Correct
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Hint
The Southbridge chipset allows the CPU to communicate with the hard drive and USB ports (and other I/O ports). CPU access to RAM, video card, and PCIe slots is provided by the Northbridge chipset. -
Question 24 of 47
24. Question
1 pointsWhich statement describes the proper use of an anti-static wrist strap?Correct
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Hint
ESD can cause permanent damage to electrical components. An anti-static wrist strap must be worn and grounded when working on a PC. Computer case paints may not be conductive and thus it is better to ground the bare section of a computer case. -
Question 25 of 47
25. Question
1 pointsA 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?Correct
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Hint
RDRAM, DDR2, and DDR3 RAM do not offer any error correction abilities for data within the memory module. ECC RAM allows for the detection of multiple bit errors and correction of single bit errors within the memory modules. -
Question 26 of 47
26. Question
1 pointsWhich type of memory is primarily used as cache memory?Correct
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Question 27 of 47
27. Question
1 pointsWhich 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?Correct
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Hint
A video capture card enables video to be saved as a file on the computer hard drive from a video recorder. A TV tuner card enables television signals to be received and viewed by the computer. A video adapter enables the computer to display computer output on a screen. A network interface card enables the computer to connect to a data network. -
Question 28 of 47
28. Question
1 pointsWhich two storage devices use a magnetic medium for storing data? (Choose two.)Correct
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Hint
A hard drive, or hard disk drive, is a magnetic storage device that is installed inside the computer. The hard drive is used as permanent storage for data. A tape drive is a magnetic storage that is most often used for backup or archive data. Magnetic tapes are used to store data via a magnetic read/write head. -
Question 29 of 47
29. Question
1 pointsWhich unit of measurement is used to indicate the hard drive speed?Correct
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Hint
Revolutions per minute (RPM) is the speed at which the spindle in a hard drive spins. The faster the spindle spins, the faster the data can be retrieved from the platters. -
Question 30 of 47
30. Question
1 pointsWhat three voltages are commonly provided by the power supply to the various components inside the computer? (Choose three.)Correct
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Hint
Computer power supplies typically deliver three voltages to various components inside the computer. These are 3.3 volts for CPUs, 5 volts for motherboard components, and 12 volts for disk drive motors. -
Question 31 of 47
31. Question
1 pointsA 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?Correct
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Hint
PATA supports two devices per cable. PATA cables sometimes have only one device connector. A new PATA cable could be purchased that had two device connectors. Each SATA device, on the other hand, requires a SATA port and a SATA cable. -
Question 32 of 47
32. Question
1 pointsWhich component controls the communications and interactions between the CPU and other components on the motherboard?Correct
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Hint
The chipset controls communication between the CPU and other computer components. -
Question 33 of 47
33. Question
1 pointsWhich statement describes a characteristic of GDDR Synchronous Dynamic RAM?Correct
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Hint
GDDR Synchronous Dynamic RAM is specially designed for graphics and is used in conjunction with a GPU. -
Question 34 of 47
34. Question
1 pointsHard 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?Correct
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Hint
SSD drives are an outstanding choice in extreme temperatures, in unusual environments, and in an environment where there are vibrations. -
Question 35 of 47
35. Question
1 pointsRefer to the exhibit. Which two port types are shown in the graphic? (Choose two.)
Correct
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Hint
The port on the left is the USB port. The port on the right is the network port. -
Question 36 of 47
36. Question
1 pointsFrom which type of data storage does the CPU load information for processing during normal operation?Correct
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Hint
RAM is the temporary storage to which data and programs are loaded by the CPU for processing. ROM is read-only memory. Its content will not be altered by the CPU during normal operation. Both the hard drive and an SSD are data storage devices. The CPU will send data to them for storage or retrieve data from them and load into RAM for processing. -
Question 37 of 47
37. Question
1 pointsRefer to the exhibit. Which type of adapter is shown?
Correct
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Hint
The card that is shown in the exhibit is a network interface adapter with an RJ-45 port which is used to connect the computer to a network via a network cable. -
Question 38 of 47
38. Question
1 pointsWhich type of device would be used on a laptop to verify the identity of a user?Correct
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Hint
As biometric identification devices, laptops commonly use a fingerprint scanner or, for facial recognition, a camera. -
Question 39 of 47
39. Question
1 pointsWhich two devices are considered input devices? (Choose two.)Correct
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Hint
Biometric authentication devices and digital cameras are considered input devices. Speakers, projectors, and printers are all considered as output devices. -
Question 40 of 47
40. Question
1 pointsWhat is an active cooling solution for a PC?Correct
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Hint
Active cooling solutions require power (like adding a case fan) while passive cooling solutions do not. -
Question 41 of 47
41. Question
1 pointsWhich tool can protect computer components from the effects of ESD?Correct
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Hint
An antistatic wrist strap equalizes the electrical charge between the technician and the equipment and protects the equipment from electrostatic discharge. -
Question 42 of 47
42. Question
1 pointsWhich type of interface was originally developed for high-definition televisions and is also popular to use with computers to connect audio and video devices?Correct
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Hint
High definition multimedia interface, or HDMI, was originally a television standard. However, because it has many digital features, it is also a popular interface to connect audio and video devices to computers. -
Question 43 of 47
43. Question
1 pointsWhich statement describes a characteristic of SRAM in a PC?Correct
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Hint
SRAM is used for cache memory. It takes a small, but constant source of power to function. -
Question 44 of 47
44. Question
1 pointsA 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?Correct
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Hint
A KVM switch allows sharing the keyboard, video and mouse between computer systems. -
Question 45 of 47
45. Question
1 pointsWhich two devices are considered input devices? (Choose two.)Correct
Incorrect
Hint
Biometric authentication devices and digital cameras are considered input devices. Speakers, projectors, and printers are all considered as output devices. -
Question 46 of 47
46. Question
1 pointsA 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?Correct
Incorrect
Hint
A KVM switch allows sharing the keyboard, video and mouse between computer systems. -
Question 47 of 47
47. Question
1 pointsWhich two statements describe a characteristic of GDDR Synchronous Dynamic RAM? (Choose two.)Correct
Incorrect
