IT-Essentials V7 Chapter 1 Exam Answers

IT-Essentials V7 Chapter 1 Exam Questions and Answers Already Passed 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? 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? 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? 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? 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? 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? 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? 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? 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? 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? joystick or gamepad 11. Which characteristic describes DDR3 SDRAM? chips that run at clock speeds of 800 MHz and have a connector with 240 pins 12. Which characteristic describes ECC memory? chips that can detect multiple bit errors and correct single bit errors in memory 13. Which characteristic describes GDDR SDRAM? chips specifically designed for video graphics that are used in conjunction with a dedicated GPU 14. Which characteristic describes ROM? a chip that cannot be erased or rewritten and is now obsolete 15. Which characteristic describes a DIP? an individual memory chip that has dual rows of pins used to attach it to the motherboard 16. Which characteristic describes PROM? chips that are manufactured blank and then can be programmed once by a PROM programmer 17. Which characteristic describes a SIMM? a small circuit board that holds several memory chips and has a 30- or 72-pin configuration 18. Which characteristic describes EPROM? a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light 20. Which characteristic describes EPROM? a chip that is nonvolatile and can be erased by exposing it to strong ultraviolet light 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? power supply 22. Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.) access to the RAM access to the video card 23. Which two components usually interface directly with the Southbridge chipset on the motherboard? (Choose two.) USB ports hard drive