comptia1 Flashcards
Workstation
Computer desk
how many questions are on the test and how long do you have to solve them?
90
laptop
mobile version of a workstation
tablet
Portable computer that consists of a touchscreen and computing
hardware
Smartphone
Smaller version of tablets
Smart Device
Device that has the ability to compute
Internet Of Things (IOT) Devices
Devices that connect to a network that don’t fit into other categories.
Hardware
Parts of the computer that can be picked up, moved around, opened, and
closed
Storage
Saving the data for future use
Software
Provides the instructions for the hardware
Operating System
Provides a method for saving, retrieving, changing, printing, and
transmitting information
Application System
Used to create, store, modify, and view information or data
Driver
Used to translate commands from the operating system to hardware
Firmware
Specialized type of software on a chip
Safety Procedures
Personal Safety, Component Safety, Electrical Safety, Chemical Safety,
personal saftey
Trip hazard avoidance
▪ Proper lifting techniques
▪ Safety gear usage
Trip hazard
occurs when there is an object where people walk
Component Safety
Actions taken to prevent damage to components
Electrostatic discharge occurs
occurs when electrons rush from the
body to a component
Electrostatic discharge prevention
Antistatic bag
ESD wrist strap
ESD mat
Electrical Safety steps
shut down and unplug
Chemical Safety
Chemical safety includes proper handling and disposal of hazardous
materials and chemicals, use MSDS
What does MSDS stand for?
Manufacturer Safety Data Sheet
Troubleshooting Methodology
Identify the problem
▪ Establish a theory of probable cause
▪ Test the theory to determine the cause
● If the theory is not confirmed, re-establish a new theory
▪ Establish a plan of action to resolve the problem and implement the
solution
▪ Verify full system functionality
▪ Document the findings, actions, and outcomes
what is likely on the front of a basic computer tower and what are they used for
cd or dvd drive that allows you toi read and write cds.
power button sends a signal to your motherboard to turn on,
memory card reader,
audio jack (input and output)- for headphones or microphone 3 super speed USB.
3 super speed USB style connector, for a mouse keyboard webcam
usbc which is also a super speed usb but in a smaller form factor
what is likely on the back of a basic computer tower and what are they used for
cooling fan- blowing hot air out of the computer
audio jacks- output only for 5.1 surround sound
display port
HDMI style connector for monitor or display
super speed usb style jacks - usb3 5 gigabytes per second
regular style usb
network jack RJ45 style connoctor - ethernet access
expansion cards
2 graphic cards one with 3 display port one with 1 with hdmi
powersupply
what does usb stand for
universal serial bus
Serial cables
came before USB and USB was designed to replace. they used either a DB9 or DB20 connector. it sent 1’s and 0’s in a straight line only sending one bit at a time. the fastest they can be is 115 kilobits per second.
