Exam (elaborations)
Fundamentals of Computer Troubleshooting CMIT 202 Exam
- Course
- Institution
Fundamentals of Computer Troubleshooting CMIT 202 Exam...
[Show more]
Content preview
Fundamentals of Computer Troubleshooting CMIT202 Exam
Hardware - ANSWER The physical components that make up a computer system or
network.
Includes: keyboard, mouse, monitor, printer; connectors, cables; hard disk drives;
circuit boards
Componentization in this context means the breakdown of a thing into its constituent
parts in what is called Modular Design. ANSWER A functional PC is made up of a number
of parts, each of which is a field-replaceable unit, which is quickly replaced if faulty or
readily upgraded as needed to allow low maintenance cost and also to reduce
downtimes.
Standardization (in context of Modular Design) - ANSWER Specifications that allow
components from different manufacturers to be interchangeable. If a component meets
the specified standards, it will work in the computer regardless of manufacturer.
VGA Port (Video Graphics Array) - ANSWER Also called a DB-15 port, this 15-pin port is
used to connect external display devices such as projectors and some monitors.
This port: transmits analog video signal, has three rows of five pins, uses a DE-15
connector. All older monitors use this type of port.
DVI (Digital Video Interface) port - ANSWER This port is used to connect display
devices.
This port: carries either an analog signal, a digital signal, or both; supports one of two
cable and connector types, single link or dual-link.
HDMI High-Definition Multimedia Interface port and DisplayPort This port is used to send
high-quality digital video with audio. This is used by the following devices: LCD monitors
and HDTVs
*HDMI symmetrical notches has an even smaller form factor connector called an
HDMI-mini connector. This connector is half the size of a standard HDMI connector and
is used to connect smartphones, tablets and digital cameras to external displays.
,Thunderbolt port - ANSWER This port combines PCI Express (PCIe) and DisplayPort
signals into a single interface. It can also provide DC power. Primarily, these are used
for external displays.
S-Video mini din-4- ANSWER A.K.A. the separated video (s-video) port is used to
connect external displays. This has slightly better pirate quality compared to an RCA
video port.
Software - ANSWER Instructions or data that are stored electronically, either on a hard
drive or a special chip.
Includes: Operating systems; program applications; hardware drivers --special
programs that tell the OS how to use the hardware.
Input - ANSWER The transfer of data or instructions into the internal computer
hardware.
Processing - ANSWER The transfer of data through a set of procedures defined by a set
of instruction
Include: CPU, RAM
Storage devices - ANSWER Devices that contain non-volatile memory for the purpose of
saving or maintaining data.
Include: Hard disk drives, Solid-state drives, Optical drives -CD-ROM, DVD-ROM,
Blu-ray, Flask drives
Output - ANSWER The process of the computer presenting, displaying, or otherwise
giving data.
Networking and communications - ANSWER The practice of connecting two or more
computers in order to transfer data.
Networking components include: CONNECTING MEDIA= copper cables, radio signals;
, CONNECTION DEVICES= routers, switches
Firmware - ANSWER a special type of software that is embedded in the read-only
memory of a hardware component. ABIOS chip is an example of this
USB port- ANSWER This port is one of the most common computer ports. These ports
are utilized in connecting a range of devices including:
> mouse and keyboard devices
> external storage devices
> digital cameras
> scanners
> printers
> microphones
> Webcams
Audio Jack Port- ANSWER This port is utilized in sending or receiving analog signals.
They utilize 3.5mm TRS connectors to connect audio devices including:
> speakers, headphones, microphones, audio output devices
They utilize a standard color code to indicate the type of port: foregoing
> Green: line out
> Pink: mic in
> Blue: line in
> Orange: subwoofer
> Black: rear speakers
Coaxial S/PDIF and Fiber S/PDIF Ports - ANSWER This port is used to provide a digital
audio signal to sophisticated audio devices, including home theatre systems or
Dolby-Digital surround sound systems.
> Coaxial S/PDIF ports use a copper coaxial cable to carry signals
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Braxton. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $9.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
80461 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now