IT-ESSENTIALS V7 CHAPTER 1 EXAM QUESTIONS AND VERIFIED
ANSWERS
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? - CORRECT
ANSWER✅✅✅stylus
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? - CORRECT ANSWER✅✅✅biometric scanner
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? - CORRECT ANSWER✅✅✅AR headset
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? - CORRECT ANSWER✅✅✅keyboard
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? - CORRECT ANSWER✅✅✅magstripe
reader
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? - CORRECT ANSWER✅✅✅NFC device
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? - CORRECT ANSWER✅✅✅magstripe
reader
, 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? - CORRECT ANSWER✅✅✅projector
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? - CORRECT ANSWER✅✅✅flatbed scanner
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? - CORRECT ANSWER✅✅✅joystick or
gamepad
11. Which characteristic describes DDR3 SDRAM? - CORRECT ANSWER✅✅✅chips that run at clock
speeds of 800 MHz and have a connector with 240 pins
12. Which characteristic describes ECC memory? - CORRECT ANSWER✅✅✅chips that can detect
multiple bit errors and correct single bit errors in memory
13. Which characteristic describes GDDR SDRAM? - CORRECT ANSWER✅✅✅chips specifically
designed for video graphics that are used in conjunction with a dedicated GPU
14. Which characteristic describes ROM? - CORRECT ANSWER✅✅✅a chip that cannot be erased or
rewritten and is now obsolete
15. Which characteristic describes a DIP? - CORRECT ANSWER✅✅✅an individual memory chip that
has dual rows of pins used to attach it to the motherboard
16. Which characteristic describes PROM? - CORRECT ANSWER✅✅✅chips that are manufactured
blank and then can be programmed once by a PROM programmer
17. Which characteristic describes a SIMM? - CORRECT ANSWER✅✅✅a small circuit board that
holds several memory chips and has a 30- or 72-pin configuration
ANSWERS
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? - CORRECT
ANSWER✅✅✅stylus
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? - CORRECT ANSWER✅✅✅biometric scanner
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? - CORRECT ANSWER✅✅✅AR headset
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? - CORRECT ANSWER✅✅✅keyboard
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? - CORRECT ANSWER✅✅✅magstripe
reader
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? - CORRECT ANSWER✅✅✅NFC device
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? - CORRECT ANSWER✅✅✅magstripe
reader
, 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? - CORRECT ANSWER✅✅✅projector
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? - CORRECT ANSWER✅✅✅flatbed scanner
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? - CORRECT ANSWER✅✅✅joystick or
gamepad
11. Which characteristic describes DDR3 SDRAM? - CORRECT ANSWER✅✅✅chips that run at clock
speeds of 800 MHz and have a connector with 240 pins
12. Which characteristic describes ECC memory? - CORRECT ANSWER✅✅✅chips that can detect
multiple bit errors and correct single bit errors in memory
13. Which characteristic describes GDDR SDRAM? - CORRECT ANSWER✅✅✅chips specifically
designed for video graphics that are used in conjunction with a dedicated GPU
14. Which characteristic describes ROM? - CORRECT ANSWER✅✅✅a chip that cannot be erased or
rewritten and is now obsolete
15. Which characteristic describes a DIP? - CORRECT ANSWER✅✅✅an individual memory chip that
has dual rows of pins used to attach it to the motherboard
16. Which characteristic describes PROM? - CORRECT ANSWER✅✅✅chips that are manufactured
blank and then can be programmed once by a PROM programmer
17. Which characteristic describes a SIMM? - CORRECT ANSWER✅✅✅a small circuit board that
holds several memory chips and has a 30- or 72-pin configuration
