Chapter 1-4 Exam, ITE Essentials Chapters 1-4, IT Essentials 1-4

a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers

21 What characteristic best describes a KVM switch?

DDR3 SDRAM

It's connector has 240 pins and consumes 1.5 Volts of power.

GDDR SDRAM

It's connector has 240 pins and consumes 1.8 Volts of power.

power supply tester

a device that can be used to check whether the power supply of a device is working properly

clock speed

a function configurable within some BIOS setup programs and that allows for modification of the CPU running speed

brownout

a situation where voltage drops below 80 percent of the normal voltage over a period of time

UEFI

a software layer that replaces the BIOS and sits between the OS and the system firmware

Device Manager

a tool that is used to determine if a hardware device is operational

Event Viewer

a tool that is used to see the date and time a problem occurred

Task Manager

a toolthat is used to easily monitor CPU, memory, and network performance

toner generator and probe

a two-part tool that is typically used to identify an individual wire in a circuit. The toner part is connected to a cable at one end and generates a tone that travels inside the cable. The probe part traces the cable. When the probe is in close to the cable to which the toner is attached, the tone can be heard in the probe.

CMOS

a type of memory where the BIOS settings are saved

disk management

a utility in later Windows operating systems to manage storage devices installed or connected to a computer. The tasks that the utility can perform include initializing disks, creating partitions, and formatting partitions.

thin client

computers that rely on a central server for all, or most, data storage and processing resources

conversation etiquette

expected professionalism

Where would a technician use an RG-6 cable?

when replacing cable TV cabling

NVMe M.2

10 A technician needs to purchase a storage drive that both connects directly to the PCIe bus and provides reliability. Which type of storage device would best meet these requirements?

to connect a device to a wired network

11 A user is building a new computer system. Why would the user select a straight-through cable?

It can process overlapping instructions in parallel.

12 Which statement describes a feature of SDRAM?

to configure a RAID

13 A user is building a new computer system. Why would the user select two hard drives?

to configure a raid

14 A user is building a new computer system. Why would the user select three hard drives?

to attach to an analog monitor

15 A user is building a new computer system. Why would the user select a DVI to VGA adaptor?

SATA

15-pin power connector that attaches internal hard drives and optical drives to the motherboard

to replace cable TV cabling

16 A user is building a new computer system. Why would the user select an RG-6 cable?

to install a video card

17 A user is building a new computer system. Why would the user select a PCIe x16 expansion slot?

to install a memory module

18. A user is building a new computer system. Why would the user select a DDR3?

to install a memory module

19..... A user is building a new computer system. Why would the user select a DDR4?

SSD, dedicated video card

1A user is building a custom computer system and is trying to decide on components for the new system. The user does light to medium graphic design, programming, and gaming. Which two components would be appropriate for this type of machine? (Choose two.)

to install a power supply into a PC tower case

20 A user is building a new computer system. Why would the user select external screws?

an output device used to present information from a laptop onto a screen

22 What characteristic best describes a projector?

an input device that recognizes touch and pressure as instructions

23 What characteristic best describes a touch screen?

a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings

24 What characteristic best describes an AR headset?

a pen-like tool that allows input by touching the surface of the screen

25 What characteristic best describes a stylus?

a head-mounted device that superimposes images and audio over a real world image and can provide users immediate access to information about their real surroundings

26 What characteristic best describes an AR headset?

Data and power cables are attached, The drive port is enabled in the BIOS.

2A technician has installed a new second hard drive in a tower computer, but the drive does not show up in the BIOS. What are two things the technician should check first? (Choose two.)

A user has the following requirements for a RAID drive:It must be magnetic. It must be fast. It must fit into a standard tower case. Which drive type would meet the user requirements?

3.5 inch 15K drive

GPU overheating, loose video cable.

3A user reports that when games are being played, the computer displays random blotches on the screen. What are two possible causes? (Choose two.)

Dual Channel

4 A technician is installing memory into computer and notices that there are two black memory slots and two blue memory slots. Which memory technology does this motherboard use?

3.5 inch 15K drive

5A user has the following requirements for a RAID drive:

Connect the computer to the application server.

6A company is deploying both thin and thick client computers. Which configuration step will a technician need to do on the thin clients that will most likely not be done on the thick clients?

on the motherboard

7 A technician is researching how to troubleshoot a computer that reboots randomly. The research suggests that the technician should check the computer for distended capacitors. Where should the technician look for these?

when replacing cable TV cabling

8 Where would a technician use an RG-6 cable?

Enable it in BIOS.

9A technician is asked to configure a laptop for LoJack. What will the technician have to do to accomplish this task?

A company is deploying both thin and thick client computers. Which configuration step will a technician need to do on the thin clients that will most likely not be done on the thick clients?

Connect the computer to the application server

A technician has installed a new second hard drive in a tower computer, but the drive does not show up in the BIOS. What are the two two things the technician should check first? (Choose two.)

Data and power cables are attached. The drive port is enabled in the BIOS.

A technician has been asked to configure a laptop for LoJack. What will the technician have to do to accomplish this task?

Enable it in BIOS.

Which statement describes a feature of SDRAM?

It can process overlapping instructions in parallel.

DDR Sdram

It's connector has 184 pins and is able to support two writes and two reads per CPU clock cycle.

DDR4 Sdram

It's connector has 288 pins and has advanced error correction features available.

A technician needs to purchase a storage drive that both connects directly to the PCIe bus and provides reliability. Which type of storage device would best meet these requirements?

NVMe M.2

beep code

POST-generated information that is used in troubleshooting

boot order

a BIOS setting for bootable partitions and devices

LoJack

a BIOS setting to help locate lost devices

antistatic wrist strap

a conductor that connects the wrist of a technician to the device that the technician is working on. When static electricity (ESD) builds up in the body, the connection made by the wrist strap to the device balances the electrical charge by channeling the electricity through the wire that connects the strap.

backup

a copy of information such as that stored on the hard drive

history of repairs

a detailed list of problems and repairs that is maintained by a technician or by a support desk system. The list should include the date, problems identified, actions to correct the problems, replacement parts, and customer information. The records would allow a technician to determine what work has been performed in the past on a specific computer.

What characteristics best describe a KVM switch?

a device that allows the use of one set of keyboard, mouse, and monitor to control multiple computers

cable tester

a device that can be used to check the condition of a data cable, including wiring shorts, faults, or wires that are connected to the wrong pins

ESD vacuum cleaner

a low airflow device that is used to remove collected dust and materials from inside the case

antistatic mat

a mat that is slightly conductive so as to help eliminate static electricity (ESD). It does this by drawing static electricity away from a component and transferring it safely from equipment to a grounding point.

multimeter

a measuring instrument that can be used to measure AC/DC voltage, electric current, and other electrical characteristics in an electrical circuit

heat sink

a part that attaches to the top of a processor and that draws heat away

RAID

a redundant array of disk drives that provides redundancy and fault tolerance

power surge

a significant increase in voltage above the normal voltage of a power line over a short period of time

system file checker

a utility in later Windows operating systems. The utility scans the critical files of the OS and replaces files that are corrupt

liability release

a waiver of responsibility if data is lost or corrupted during the repair process

virtualization

allows multiple operating systems to run on a computer at the same time

NIC

an adapter that enables a PC to connect to a local area network

PCI

an older expansion slot that is used to attach hardware to a motherboard

A user is building a custom computer system and is trying to decide on components for the new system. The use does light to medium graphic, programming, and gaming. Which two components would be appropriate for this type of machine? (Choose two.)

dedicated video card SSD

A technician is installing memory into a computer and notices that there are two black memory slots and two blue memory slots. Which memory technology does this motherboard use?

dual channel

FireWire / Thunderbolt

external I/O ports that connect digital devices to a computer

BIOS

firmware that is used during the PC boot process

chipset

integrated circuits on the motherboard that control system hardware interaction with the CPU and motherboard

A user reports that when games are being played, the computer displays random blotches on the screen. What are two possible causes? (Choose two.)

loose video cable GPU overheating

hard disk drives

magnetic disk drives that are used for permanent data storage

rom

memory location that stores basic operational instructions used by the CPU for booting the computer (Read Only Memory)

A technician is researching how to troubleshoot a computer that reboots randomly/ The research suggests that the technician should check the computer for distended capacitors. Where should the technician look for these?

on the motherboard

secure boot

prevents an untrusted or unauthorized OS from loading during startup

preventive maintenance

regular maintenance routines that extend the life of the PC

diagnostic tools

software that is available to help locate and solve problems

EMI

stands for electromagnetic interference, a disturbance affecting transmission media that use electrical signals. The disturbance is caused by electromagnetic field variations

ESD

stands for electrostatic discharge, a sudden discharge of built-up static electricity between two different surfaces with different charge levels

MSDS

stands for material safety and data sheet, a fact sheet to provide information about material identification, fire hazards, and first-aid requirements. It also provides protective measures for the safe handling and storage of materials and spill, leak, and disposal procedures.

UPS

stands for uninterruptible power supply, a supplemental power resource that helps maintain the power requirements by providing a secondary, consistent level of electrical power to a device

solid state drives

storage devices that are replacing magnetic disk drives for permanent data storage

TPM

stores security keys and passwords

cpu

the brain of the computer

identify the problem

the first step in the troubleshooting process

documentation

the last step as part of a PC repair

motherboard

the main circuit board inside the computer to which all computer components connect

ram

the main temporary working storage location for data and programs (Random Access Memory)

ohms

the measure of resistance to the flow of current in a circuit

amps

the measure of the number of electrons moving through a circuit per second

watts

the measure of the work per second of electrical current

volts

the measure of the work that is required to move a charge from one location to another

Form Factor

the size, shape and physical layout of computer components such as case, motherboard, and power supplies

POST

the startup test of hardware

troubleshooting

the systematic process used to locate the cause of a fault in a computer system and correct the relevant hardware and software issues

A user is building a new computer system. why would the user select DDR4?

to install a memory module