Lesson 2 The Visible Computer
Each piece of RAM is called?
A stick.
BIOS?
Basic Input/Output System
CPU
Central Processing Unit
CD-R
Compact Disc Recordable
What is a Plug?
is a part with some type of projection that goes into a port.
Two other video connectors types that have come into limited use in the past few years?
1. Display Port 2. Thunderbolt
Computes work through 3 steps?
1. Input 2. Output 3. Processing
the tools of the trade
1. Phillips-Head Screwdriver 2. Star-Head Torx wrench 3. Pair of tweezers
DVI comes in three flavors?
1. DVI-D (All digital) 2. DVI-A ( Analog) 3. DVI-I (Both digital and analog)
The exam 201-902 covers five area?
1. Windows operation 2. Other operating systems and technology. 3. Security 4. Software Troubleshooting 5. Operational Procedures
3 other names for a mini-din connector?
1. mini-din 2. PS/2 3. Din-6
The most popular sound connector in use?
1/8-inch connector
How many Pins does the mini-Din have?
8
Motherboard
A circuit board that contains all of the computer system's main components.
Modem
A device that allows computers to communicate over telephone lines
Power Supply
A device that provides power to a computer.
What is a Jack?
A jack is used as an alternative to port, so you may also put a plug into a jack.
Dual Inline Memory Module (DIMM)
A memory module (stick) that installs into matching DIMM sockets found on many motherboards. The word "dual" refers to the separate pins or connections on both sides of the module and socket. (1)
RJ-11
A phone line connection or port found on modems, telephones, and house phone outlets.
What is a Port?
A port is a part that has some type of matching hole or slot that accepts the plug.
Blue-ray disc
A type of disc-shaped storage device, mostly used for high-definition movies and games.
What is Thunderbolt?
A way to add another monitor by plunging it into the thunderbolt.
What are the most common size of USB?
A,B and Mini-B
DB connectors are technically called ___ Connectors?
D-shell connectors.
DVD's store much more?
Data
DVI
Digital Visual Interface
What is a Mini=Din also called?
Din-6
What does the E stand for in DE-9?
E refers to the 9 pins.
The term connector described as what?
Either port (Jack) or a plug.
ESD
Electrostatic Discharge
Optical Drive
Enable a computer to read one or more types of optical discs such as CD,DVD or Blue Ray Disc.
What are expansion slots?
Enable you to add more devices on the expansion card.
GPU
Graphics Processing Unit
Which of the following connections supports both audio and video streams? VGA. S/PDIF. DVI HDMI.
HDMI.
What is a DisplayPort?
Has a full-sized connector and a smaller one called -mini.
HDMI
High Definition Multimedia Interface
A customer exclaims that he has a "two-terabyte system." What does that mean? His RAM capacity is 2 TB. His hard drive capacity is 2 TB. His CPU runs at 2 TB. His network runs at 2 TB.
His hard drive capacity is 2 TB.
Firewire connectors also known as?
IEEE 1394. It moves Data at a high speed
What is a USB used for?
Is the most popular connection used to connect a computer to devices such as digital cameras, printers, scanners, and external hard drives
What is a USB B Connector?
It's the other end of the USB cord.
What is the Mini-DIn connector used for?
Mouse,Keyboard,Speakers.
What do Fire wire connections move and makes a perfect connection for what?
Moves data High Speed which makes it a perfect connection for highly specialized applications.
Are Firewire devices swappable?
No
What are output devices?
Printer, Speaker, monitor
Which component stores programs and data currently being used by the CPU? RAM. NIC. DVD. Hard drive.
RAM
Two types of RJ connectors?
RJ-11 and RJ-45
Which of the following connection type is used for networking? Mini-DIN. S/PDIF. RJ-45. VGA
RJ-45.
RAM
Random Access Memory
ROM
Read Only Memory
SATA
Serial Advanced Technology Attachment
S/PDIF
Sony-Philips digital interface format—a single-pin RCA phone jack used for transferring digital audio from CD and DVD players to amplifiers and speakers.
hard drive
Stores programs and data that are not currently being used.
hot-swappable
The feature of a component that allows it to be installed or removed without disrupting operations.
USB has number of features that makes it popular such as?
They are swappable, which means you can insert or remove them without restarting your PC. USB devices get their electrical power through the USB connectors, so they don't need batteries or a plug in. USB can also be used to recharge some devices.
If you don't have a anti-static wrist strap what else could you do to prevent ESD?
Touch the metal case occasionally to prevent ESD.
Which of the following hot-swappable connectors provides the most common general-purpose connection for the PC? PS/2. USB. Correct VGA. FireWire.
USB
USB
Universal Serial Bus
What does USB stand for?
Universal Serial Bus
VESA?
Video Electronics Standards Association
What is a network?
a communications, data exchange, and resource-sharing system created by linking two or more computers and establishing standards, or protocols, so that they can work together
RJ-45
a port that looks like a large phone jack and is used by twisted-pair cable to connect to a wired network adapter or other hardware device. RJ stands for registered jack.
AC
alternating current
When working on a PC to avoid ESD techs should where what?
anti-static wrist strap clips on any metal part of the case.
CD-ROM
compact disc-read-only memory
CD-RW
compact disc-rewritable
DVD
digital video disc
DC
direct current
What is a eSATA port?
eSATA is a SATA connector accessible from outside the computer, to provide a signal (but not power) connection for external storage devices. eSATAp combines the functionality of an eSATA and a USB port, and a source of power in a single connector.
The PC case is also called what?
enclosure
FRU
field replaceable unit
CPU is also called?
microprocessor
What type of port does the keyboard connect to?
mini-DIN port or a USB port.
What is the 1/8-inch connector also called?
mini-audio connector.
OS
operating system
