He Proper Constant to Use to Make a Component Viewable Again Is View
IT Essentials (Version vii.00) – It Essentials seven.0 Chapter one exam Answers
Version 7:
one. A customer comes into a computer parts and service store. The customer is looking for a device to assistance a person with accessibility problems input instructions into a laptop by using a pen. What device should the shop owner recommend to reach the required job?
- stylus
- biometric scanner
- keyboard
- NFC device
2. A customer comes into a calculator parts and service store. The customer is looking for a device to provide secure admission to the central server room using a retinal scan. What device should the shop possessor recommend to accomplish the required task?
- biometric scanner
- keyboard
- NFC device
- flatbed scanner
iii. A customer comes into a computer parts and service store. The customer is looking for a device to aid when repairing an aeroplane and that will permit the customer to see and interact with the repair manual at the aforementioned time. What device should the shop possessor recommend to accomplish the required task?
- AR headset
- biometric scanner
- keyboard
- NFC device
four. A client comes into a computer parts and service store. The client 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
- biometric scanner
- NFC device
- flatbed scanner
5. A client comes into a computer parts and service store. The client is looking for a device to let secure admission to the main doors of the company past swiping an ID carte du jour. What device should the store possessor recommend to accomplish the required task?
- magstripe reader
- biometric scanner
- keyboard
- NFC device
6. A client 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 reach the required job?
- NFC device
- joystick or gamepad
- projector
- magstripe reader
7. A client comes into a reckoner parts and service shop. The customer is looking for a device to allow secure access to the chief doors of the company by swiping an ID card. What device should the store owner recommend to accomplish the required task?
- magstripe reader
- joystick or gamepad
- projector
- AR headset
eight. A customer comes into a calculator parts and service shop. The customer is looking for a device to display a promotional presentation to a large audience at a conference. What device should the store possessor recommend to attain the required task?
- projector
- joystick or gamepad
- magstripe reader
- AR headset
9. A client comes into a calculator 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 achieve the required task?
- flatbed scanner
- joystick or gamepad
- projector
- magstripe reader
x. A client 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 job?
- joystick or gamepad
- projector
- magstripe reader
- AR headset
eleven. Which feature describes DDR3 SDRAM?
- fries that run at clock speeds of 800 MHz and have a connector with 240 pins
- an individual memory chip that has dual rows of pins used to attach information technology to the motherboard
- a small circuit lath that holds several memory fries and has a thirty- or 72-pin configuration
- chips specifically designed for video graphics that are used in conjunction with a dedicated GPU
12. Which characteristic describes ECC memory?
- fries that can detect multiple bit errors and correct single bit errors in memory
- chips specifically designed for video graphics that are used in conjunction with a defended GPU
- an individual retentivity bit that has dual rows of pins used to attach it to the motherboard
- chips that run at clock speeds of 800 MHz and have a connector with 240 pins
13. Which feature describes GDDR SDRAM?
- chips specifically designed for video graphics that are used in conjunction with a dedicated GPU
- chips that crave constant ability to part and are often used for cache memory
- chips that run at clock speeds of 800 MHz and accept a connector with 240 pins
- fries whose contents tin be "flashed" for deletion and are often used to store BIOS
14. Which feature describes ROM?
- a chip that cannot be erased or rewritten and is at present obsolete
- chips that run at clock speeds of 800 MHz and have a connector with 240 pins
- chips specifically designed for video graphics that are used in conjunction with a dedicated GPU
- chips that require constant power to function and are often used for enshroud retentiveness
15. Which characteristic describes a DIP?
- an individual memory chip that has dual rows of pins used to attach it to the motherboard
- chips that require constant ability to function and are often used for enshroud retentiveness
- fries that run at clock speeds of 800 MHz and take a connector with 240 pins
- chips whose contents can exist "flashed" for deletion and are frequently used to store BIOS
16. Which feature describes PROM?
- chips that are manufactured blank so can exist programmed once past a PROM programmer
- chips that run at clock speeds of 800 MHz and take a connector with 240 pins
- fries specifically designed for video graphics that are used in conjunction with a dedicated GPU
- chips that crave constant ability to function and are frequently used for enshroud retention
17. Which feature describes a SIMM?
- a small circuit board that holds several memory fries and has a thirty- or 72-pin configuration
- chips that require constant power to part and are often used for cache memory
- chips that run at clock speeds of 800 MHz and accept a connector with 240 pins
- chips whose contents tin be "flashed" for deletion and are often used to shop BIOS
18. Which characteristic describes EPROM?
- a flake that is nonvolatile and tin can be erased by exposing information technology to strong ultraviolet low-cal
- fries that run at clock speeds of 800 MHz and have a connector with 240 pins
- chips specifically designed for video graphics that are used in conjunction with a dedicated GPU
- chips that crave constant power to role and are oftentimes used for cache retention
xix. Which feature describes a SIMM?
- a minor circuit board that holds several memory chips and has a 30- or 72-pin configuration
- SRAM that is internal and integrated into the CPU
- a smaller, more condensed memory module that provides random access data storage, ideal for use in laptops, printers, and other devices where conserving space is desirable
- an private retention fleck that has dual rows of pins used to attach it to the motherboard
20. Which characteristic describes EPROM?
- a chip that is nonvolatile and can be erased past exposing it to stiff ultraviolet calorie-free
- SRAM that is internal and integrated into the CPU
- a smaller, more condensed memory module that provides random access information storage, ideal for utilise in laptops, printers, and other devices where conserving space is desirable
- a pocket-size circuit board that holds several memory chips and has a 30- or 72-pin configuration
21. A technician looks at a motherboard and sees a 24-pivot connector. What component would connect to the motherboard through the use of this 24-pin connector?
- ability supply
- video card
- PATA optical bulldoze
- SATA bulldoze
- floppy drive
22. Which two activities are normally controlled by the Northbridge part of the chipset? (Choose two.)
- communication betwixt the CPU and the I/O ports
- access to the RAM
- communication between the CPU and the hard drive
- access to the video card
- communication betwixt the CPU and the sound card
23. Which two components usually interface direct with the Southbridge chipset on the motherboard? (Choose two.)
- video carte
- USB ports
- RAM
- hard drive
- PCIe slots
24. Which statement describes the proper employ of an anti-static wrist strap?
- An anti-static wrist strap should not be used in conjunction with an antistatic mat.
- For optimum grounding, the clip should be attached to a painted section of the computer example.
- An anti-static wrist strap should make contact with the skin.
- The anti-static wrist strip should not be attached to whatever grounded object.
25. A technician is edifice a thick client workstation that would be used to run a database and wants to ensure the all-time protection against errors. What type of retentivity would exist best suited for this?
- ECC
- RDRAM
- DDR3
- DDR2
26. Which type of retention is primarily used every bit cache memory?
- DRAM
- RAM
- ROM
- SRAM
27. Which adapter would a technician install in a desktop computer to enable a video indicate to be recorded from a video recorder to the computer difficult drive?
- video adapter
- Boob tube tuner card
- video capture card
- network interface carte du jour
28. Which 2 storage devices apply a magnetic medium for storing information? (Cull two.)
- tape drive
- solid state drive
- hard disk drive
- bluish-ray disk drive
- compact disk drive
29. Which unit of measurement is used to indicate the hard drive speed?
- revolutions per minute
- gigabytes
- pages per infinitesimal
- clusters per minute
30. What three voltages are normally provided by the power supply to the various components inside the computer? (Choose three.)
- 3.3 volts
- 5 volts
- ix volts
- 12 volts
- 24 volts
- 48 volts
31. A customer needs additional storage infinite on an older computer. What will the technician await at in the computer to determine if an additional hard drive can exist added?
- adequate RAM
- an open PCI/PCIe expansion slot
- an bachelor PATA/SATA connection
- BIOS version
- the heat that is generated and air flow requirements
32. Which component controls the communications and interactions between the CPU and other components on the motherboard?
- RAM
- BIOS
- CMOS
- chipset
33. Which statement describes a characteristic of GDDR Synchronous Dynamic RAM?
- Information technology is used in conjunction with a dedicated GPU.
- It processes massive amounts of data at the fastest speeds.
- It is used for main memory.
- It has a low power consumption and is used for cache retentivity.
34. Hard drives in a grocery warehouse go along failing because of vibrations in the warehouse environment. What would be a possible solution for this high failure charge per unit?
- Install an SSD bulldoze in each computer.
- Install a more powerful ability supply in each computer.
- Install an antistatic mat under each computer.
- Install each calculator in a specialized high airflow case.
35. Refer to the exhibit. Which 2 port types are shown in the graphic? (Choose 2.)
- modem
- network
- parallel
- serial
- USB
36. From which type of information storage does the CPU load data for processing during normal functioning?
- SSD
- RAM
- ROM
- hard drive
37. Refer to the exhibit. Which blazon of adapter is shown?
- sound
- RAID
- video
- network interface
38. Which blazon of device would exist used on a laptop to verify the identity of a user?
- a MIDI device
- a biometric identification device
- a touch screen
- a digitizer
39. Which ii devices are considered input devices? (Choose two.)
- biometric authentication device
- printer
- digital camera
- projector
- speakers
twoscore. What is an active cooling solution for a PC?
- Reduce the speed of the CPU.
- Add a heatsink to the CPU.
- Add together an additional case fan.
- Use a painted estimator case.
41. Which tool tin protect computer components from the effects of ESD?
- antistatic wrist strap
- surge suppressor
- UPS
- SPS
42. Which type of interface was originally developed for loftier-definition televisions and is also popular to use with computers to connect audio and video devices?
- FireWire
- DVI
- HDMI
- USB
- VGA
43. Which statement describes a feature of SRAM in a PC?
- It is used as chief RAM in a PC.
- It has the highest power consumption.
- It is used for cache memory.
- Information technology has a connector with 240 pins.
44. A customer has a computer for a dwelling business, just wants to have some other computer as a web server. What would be the all-time solution for the client to share the monitor, mouse, and keyboard between the ii computers?
- admission point
- KVM switch
- multipurpose device
- network switch
- USB hub
45. Why is it important to ground both computers and network devices?
- to ensure that both the power supplied and the power used is in sync with the ground voltage
- to ensure that the ability supply is express to an output of 110V DC
- to provide a path of least resistance for devious current
- to facilitate the flow of current from the power supply to the computer instance
Version vi:
1. What are 2 factors that must be considered when choosing a computer case? (Cull 2.)
- the size of the monitor
- the speed of the retention
- the number of internal bulldoze locations
- the size of the motherboard and the power supply
- the number of LED indicators at the front of the instance
2. 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?
- ability supply
- video bill of fare
- PATA optical drive
- SATA drive
- floppy drive
3. What electrical unit refers to the number of electrons moving through a circuit per second?
- current
- voltage
- resistance
- power
4. What characteristic of electricity is expressed in watts?
- the amount of work required to movement electrons through a excursion
- the resistance to the catamenia of current in a circuit
- the corporeality of electrons flowing through a excursion per 2nd
- the work required to move electrons through a circuit multiplied past the number of electrons flowing through a circuit per second
v. Which type of memory is primarily used as cache memory?
- DRAM
- RAM
- ROM
- SRAM
vi. Refer to the exhibit. Which blazon of adapter is shown?
- audio
- RAID
- video
- network interface
7. Which component controls the communications and interactions between the CPU and other components on the motherboard?
- RAM
- BIOS
- CMOS
- chipset
8. Which two activities are ordinarily controlled by the Northbridge role of the chipset? (Choose two.)
- communication between the CPU and the I/O ports
- access to the RAM
- communication between the CPU and the hard drive
- admission to the video menu
- communication between the CPU and the sound carte du jour
ix. Which unit of measurement is used to indicate the hard drive speed?
- revolutions per minute
- gigabytes
- pages per infinitesimal
- clusters per minute
12. What is indicated past the contrast ratio of a monitor?
- the difference in the intensity of low-cal between the brightest white and darkest blackness that can be displayed
- how often the movie prototype is refreshed
- the total number of pixels that make upward the motion-picture show
- the ratio of the horizontal and vertical viewing areas of the monitor
13. What type of connector can be used to connect an internal difficult drive to the motherboard?
- USB
- SATA
- eSATA
- Thunderbolt
14. Which two factors must exist considered when replacing old RAM modules in a PC? (Choose 2.)
- The new RAM must be compatible with BIOS or UEFI.
- The new RAM must be compatible with the motherboard.
- The speed of the new RAM must be supported by the chipset.
- The power supply must provide the voltage that is requred by the new RAM.
- The new RAM must match the old RAM in terms of chapters and speed.
fifteen. Which term is used to define the wires on a motherboard that move information from 1 part of a computer to another?
- bus
- I/O card
- bridge
- chipset
16. When a new PC is being built, which component has the well-nigh influence when selecting the instance and power supply?
- video card
- audio card
- RAM module
- motherboard
- hard disk type
17. What is the function of the ability supply?
- to catechumen AC power into a lower voltage DC power
- to convert AC power into a higher voltage DC power
- to convert DC ability into a lower voltage AC power
- to catechumen DC ability into a college voltage AC power
xviii. Which two considerations would exist of the greatest importance when building a workstation that will run multiple virtual machines? (Choose two.)
- corporeality of RAM
- number of CPU cores
- h2o cooling
- powerful video card
- high-terminate audio card
nineteen. A user playing a game on a gaming PC with a standard EIDE 5400 RPM hard bulldoze finds the functioning unsatisfactory. Which hard bulldoze upgrade would improve performance while providing more reliability and more energy efficiency?
- a 7200 RPM EIDE hard bulldoze
- a 7200 RPM SATA hard drive
- a x,000 RPM SATA hard drive
- an SSD
20. What three components should exist included in a estimator that is used to create TV commercials and music videos? (Choose 3.)
- actress DIN-6 ports
- specialized video card
- extra PS/ii ports
- big and fast hard drives
- VGA adaptors
- specialized audio menu
21. What are 2 hardware requirements for computers that will be used to run multiple virtual machines? (Choose two.)
- big amounts of RAM
- a multicore CPU
- a high resolution video card
- a high speed wireless adapter
- multiple monitors
22. Which memory technology allows two retentivity modules to be accessed at the same fourth dimension?
- dual channel
- double-sided
- SRAM
- ECC
23. Which security feature in modern CPUs protects retention areas that incorporate part of the operating arrangement from malware attacks?
- encryption
- TPM
- execute disable bit
- LoJack
24. Drag the description on left to its RAID level on the correct.
Answer
25. Match the ports or cables with their descriptions. (Not all options are used.)
Question
Reply
26. Which three devices are considered output devices? (Choose 3.)
- headphones
- keyboard
- fingerprint scanner
- monitor
- mouse
- printer
27. Which hardware upgrade would let the processor in a gaming PC to provide the optimal gaming operation?
- a fast EIDE bulldoze
- large amounts of fast RAM
- liquid cooling
- a high capacity external hard drive
28. Which two storage devices use a magnetic medium for storing information? (Choose two.)
- record drive
- solid land drive
- hard disk
- compact deejay drive
- bluish-ray disk drive
29. Which 2 pieces of information are needed before selecting a power supply? (Choose two.)
- the full wattage of all components
- the voltage requirements of peripheral devices
- the form factor of the case
- the type of CPU
- the installed operating system
thirty. Which retentiveness module has a front side bus speed of 200 MHz?
- DDR3-667
- PC100 SDRAM
- DDR-400
- DDR-333
31. Refer to the exhibit. Which blazon of video bill of fare expansion slot is depicted?
- PCIe
- ISA
- PCI
- AGP
32. What type of connector can be used to connect an eSATA interface to an external SATA drive?
- vii-pin connector
- 9-pin connector
- xv-pin connector
- five-pin connector
33. Where can the input voltage pick exist changed from 110 volts to 220 volts on a computer organisation?
- on the motherboard
- in the BIOS
- on the dorsum of the ability supply
- in the operating system control console
34. Refer to the exhibit. Which blazon of cablevision is shown in the graphic?
- USB
- parallel
- FireWire
- serial
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