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
