lesson 3

which voltages from an ESD discharge would be the minimum to short a computer's hardware components?

100 volts

which CPU type would most likely be found in a smartphone?

ARM

which are optical storage devices ?

BD,DVD,CD

which should an electrical engineer be proficient in using?

CAD software

which computer part typically has the fastest performance?

CPU

which hardware components process data?

CPU

a computer jha power but there are no beeps and the computer does not boot.Which would most likely cause this?

CPU failure

jeff has been asked to replace a monitor on a workstation.Which deice interferences could he use to connect the new monitor ?

DVI

Becca is working on a program that will store data.The program will need quick access to data and data persistence is not important where should data be stored?

In memory

which companies is a manufacturer of CPUS?

Intel

You are trying to connect a new USB device to your computer.You install the driver and then connect the device to an open USB port.The device does not work.What is the best troubleshooting?

Make sure the USB device is plugged in properly .

which component stores values in short-term memory?

RAM

Ram category hardware

RAM,monitor ,touchscreen,video game controller,and power cable .

which is not a long-term storage device ?

RAm

Which of the following is a disadvantage of notebook system?

They are expensive

which kind of connector is ?

USB

which type of connector is commonly used for keyboards and mice?

USB

which connector on the back of a computer is used to attach a mouse to a modern pc system.

USBA

solid state drive -

a flash drive device with storage capacity similar to a small hard drive.Faster than other devices.no moving parts .last longer than other storage devices.

hard disk -

a thick magnetic disk made of aluminum platters .Uses read/write heads to access data stored on the platter.Up to several TB in storage capacity and cost per MB is cheap.

which stores data using microscopic light and dark spots?

compact disk

which is the most important skill for a PC technician?

customer service

Abby wants a high-end computer system for her home office that can be upgraded.what should she choose?

desktop

Tina has accepted a position as a graphic designer she wants a powerful device that she can connect multiple large screens to?

desktop computer

what device would be easiest to repair?

desktop computer

what device would be the best option for a gamer ?

desktop computers

marcus was assigned to troubleshoot a problem with a customer not being able to access a cloud application .Which is the last step in troubleshooting methodology that should be completed?

document findings/lessons learned ,actions and outcomes.

you have just connected a new USB device to your windows system.You used the installation disc that came with the device to install the drives needed support the device.After the installation,the system frequently crashes when you try to access the new device.which step resolves the issue?

download and install the latest driver from the manufacturer website.

The troubleshooting methodology starts by identifying the problem.The first step in identifying the problem is to gather information.which is the next step?

duplication the problem,if possible

which career consists of designing tiny microchips?

electrical engineer.

while troubleshooting a problem with a computers a technician has tested and confirmed a theory on how to fix the problem ,which is the next step the technician should perform?

establish a plan of action to solve th erporiblem and idenitfy ptoential effect.

Anna a technician is helping a customer troubleshoot an issue where a server will intermittently become inaccessible to employees.Anna has completed researching the knowledge bases available.what should she do next as a part of standard troubleshooting methodology?

establish a theory of probable cause

which uses persistent memory chips to store data?

flash drive

if a folder exists on an NTFS partition,which permission is needed by a user who needs to set security permissions on the folder?

full control

which should be done working on hardware in a computer system?

ground yourself using ESD wrist strap

you need a storage device that has very large storage capacity,is fast ,and is relatively inexpensive .Which storage is best?

hard disk

which has the ability to store user data even if the power to the computer is off?

hard drive

which would most likely cause for a computer to perform sluggishly?

hardware

which would be the minimum qualification for a PC technician job?

industry certification

which is not an advantage of SSDS over HDDS

inexpensive

which problem would be the most difficult of troubleshooting ?

intermittent problem

Abby needs a device that she can take to a client's location and show a presentation from which device should she use?

laptop

which would a PC repair technician work on ?

laptop

what device generally included a variety of integrated hardware such as a camera?

laptop and smartphone

which device makes use if a battery as its main power source ?

laptop and smartphone

an employee submitted s support ticket stating that her computer will not turn on .which troubleshooting step should she take first ?

make sure the surge protector is turned on

which is an example of computer hardware?

microchip

what is the primarily operated by a touchscreen ?

mobile device

where are values the computer is directly working with at a particular moment in time stored ?

on the CPU register

software category hardware

operating system,video game,and internet browser ..

keyboards,mice,speakers,microphones,and printers are collectively referred to as?

peripherals

which is a top cause of motherboard failure?

physical damage

you are troubleshooting a malfunctioning notebook computer nothing appears on the LED display when the system is powered on.which step is the best to try first ?

plug in external monitor

which component converts AC to DC?

power supply

which is often the hardest part of troubleshooting?

reproducing the problem

which methods will not open a file form from the desktop?

single-click the icon

optical disc drive-

uses lasers to read and write information stored in the form of pts in their reflective coating.Ideal for music and video.Portable and cheap with a long shelf life.

a customer has brought a computer in to be repaired.He said he thinks the sound card has stopped working because no audio is produced when music is being played .which troubleshooting step should you take first?

verity that speakers are plugged into the correct jack and are powered on verify that the volume isn't muted.