Comptia A+ (anki) Flashcards
A __ is where you store data permanently
hard drive
The three main components of the ___ are the controller, hard disk, and host bus adapter
hard drive
Each disk on hard disk is called a
Platter
Platters have a
top surface and bottom surface
If you had three platters then you have __ writeable surfaces, two for each platter
six
The more __ help increase the capacity of the hard drive
platters
The most common type of interface for hard drives are
Serial ATA (SATA)
The ___ controls all the operations of the hard drive. It controls all the moving parts. It handles how the data itself is encoded onto platters
controller
The ___ is a translator converting signals from the computer into the electrical signals that can be written on the disk and then vice versa it converts the electrical signals into data that the computer can understand
Host Bus Adapter (HBA)
The computer understands ___ or bits, a one, or a zero
Binary digits
Devices that in any way hold ones and zeros that the CPU accesses are known generically as ___
memory
The three connections for ___ are USB, Bluetooth, and PS/2
mice
For an advanced gaming mouse or something for 3D graphics you can __
update drivers
The __ on control panel applet is the way you want the pointer to appear
pointer options
On the control panel applet you can use the __ to set up right handed/left handed, how many pages it might scroll when you scroll the wheel
button configuration
A __ is the primary method for inputting data into a PC
keyboard
The three connections for a __ are USB, PS/2, Bluetooth
keyboard
The two connections for scanners are USB and
wireless
The form factors of a ___ are All in one (multfunctional) and flatbed
scanner
__ retrieve and/or store data on optical discs
Optical drives
__ are written to and read from using a laser
Optical drives
__ are commonly used for personal identification, access control, authentication, and financial transactions
Smart card readers
__ can be external (usb) or built in
Smart card readers
Mice, keyboard, scanners, optical drives, smart card readers, are examples of __
input devices
__ connects you to the internet and eliminates the need to use cables
USB Wifi Adapter
__ cards are built into computer system and help connect to the internet
Wireless
Some older laptops might use a ___ connection to connect to internet
Mini PCI
__ is square in shape and has a 124 pin edge connection
Mini PCI
A __ offers spreads of 802.11g and 802.11b
Mini PCI
Newer laptops use __ wireless cards to connect to the internet
Mini PCI Express
A __ has a 54 pin edge connection and is rectangular in shape. They have speeds of 802.11a, 802.11b, 802.11g, and 802.11n
Mini PCI Express
__ card allows you to connect your laptop to the internet using a cellular signal
Cellular
__ Screens are input and output devices
Touch
A __ allows multiple computers to share a single keyboard, video output, and mouse
KVM
Different KVM models can accommodate various interface types like USB, VGA, and __
DVI
The connections of speakers are __ Jack
TRS (Tip, Ring, Sleeve)
The __ is the most common computer output device
Screen
The various connections for a laptop to connect to another laptop of display are _____
VGA, DVI, HDMI
5 connection types for printers are __
USB, Ethernet, 802.11 (wifi), Bluetooth, Infrared
KVM, speakers, display devices (screen), projectors, printers are all __ devices
output
On the hardrive the __ is the axis around which the platters spin
spindle
On the hard drive, the __ is the read/write point. That is where the electrical charges are applied and/or read
head
On the hard drive, the __ moves the head back and forth, so it can access any position on the platter
arm
In the hard drive, the __ is the point about which the arm rotates
actuator axis
In the hard drive, the __ are the power and the data cable to connect it to the rest of the system
connections
In the hard drive, the __ is the motor that moves the arm back and forth
acutator
__ hard disks are the primary storage of most desktop computers
Magnetic
The benefits of a __ hard disk are mature, reliable, and relatively inexpensive
magnetic
__ hard disks are magnetic fields to store data
magnetic
The three magnetic disks size are ___
1.8 in, 2.5in, and 3.5 in
The __ inch hard disk is not widely used
1.8
The most widely used hard disk size is the __ inch which is used in laptops or portable external drives
2.5
The __ inch hard drive disk is the mainstream type used in PCs
3.5
SSD
Solid State Drive
The __ has no moving parts. It uses nonvolatile (does not require power to retain its data) NAND flash memory for storage. NAND is NON-AND refers to a logical processing mechanism
Solid State Drive
RAM is often referred to as simply __
System Memory
__ uses traditional platters along with high speed flash memory
Hybrid drives
__ are a combination of HDD capacity with SSD speeds
Hybrid drives
RAM is very __ because there are no moving parts. It is also volatile which mean it requires power
fast-access
RAM
Random Access Memory
The benefits of __ are that they cost less than SSD, greater capacity than SSD, performance is between
hybrid drives
SODIMMs are __ to __ inches in size
2.5 to 3
__ is a smaller version of the DIMM modules that are used in desktops
SODIMM
SODIMM
Small Outline DIMM (Dual in-line-memory module)
Laptops use __ memory
SODIMM
RAM is physical storage that also __ storage
temporary
Memory modules from different vendors __ be mixed
can
Before trying to upgrade the memory on a laptop, you must first consult the ___
motherboard user guide
The __ on the SODIMM are the point of contact to the socket it sits in the laptop itself
pins
Before upgrading laptop memory, you must determine how much memory you are conveniently using by going to __ in windows
task manager or resource monitor
VGA, DVI, S-Video, HDMI, Display Port, Composite video, and component video are all numerous interfaces of __
video cards
CRT
Cathode Ray Tube
A __ or CRT monitor contains a large cathode ray tube, uses a electron gun behind the screen that activates phosphors. They are becoming obselete
Cathode Ray Tube
LCD
Liquid Crystal Display
__ are commonly used in laptop computers and flat panel monitors. They produce clear images and replaced traditional CRT monitor
LCD
In-plane switching (IPS) panel technology super plane to line switching (PLS) Vertical Alignment (VA) panel technology and Twisted Nematic (TN) panel technology are all different ___ technologies
LCD
OLED
Organic light-emitting diode
__ is a thin display technology. It does not require back lighting. It uses organic compounds for electroluminescence
OLED
The different types of OLED are ___ and __
Passive Matrix OLED (PMOLED) and Active Matrix OLED (AMOLED)
Cathode Ray Tube (CRT), Liquid Crystal Display (LCD), Organic Light-Emitting Diode (OLED) are all types of __
displays
__ are often wrapped around the laptop display screen by placing the cable around the frame, it can be better withstand constant opening and closing of the screen. It performs better if located in the top part of the lid
Wi-fi Antennas
For __ image quality resolution is measured in pixels. The higher the frame rate means a smoother video. 2 million pixels is good. 30 frame rate is good.
webcams
CCFL
Cold Cathode Fluorescent Light
__ is lighting technology commonly used with LCD monitors, neon signs, computer case lighting. They are common in earlier LCD screens. They weigh more and use more power than LEDs. For every one you needed in inverter
CCFL
LED
Light Emitting Diodes
__ are a semiconductor device that emits visible light. They are commonly used in LCD panel backlighting, fiber optic data transmission, and indicator lights
LED
__ are any type of device that can produce a digital result from a non-digital input. It creates a digital representation based on analog information. They use styles or finger to determine position.
ex. tablet or smartphone
Digitizers
__ is a video interface that can carry both video and audio information
HDMI
__ allows you to connect multiple peripheral items. Items can include regular sized keyboard, mouse, external monitor, printer, USB drives, and speakers
Docking stations
The three modes of docking are ___
cold, warm, and hot
__ docking is when a laptop must be powered off
cold
__ docking is when the laptop must be put in an taken out of suspended mode
ex. sleep mode
warm
__ docking is when the laptop can recognize changes while running normal operations
hot
__ provides additional functionality to a laptop. It can be used because some laptops do not contain ports such as keyboard, mouse, and DVI.
Usually smaller, lighter, and much more portable than docking station
Port Replicator
__ can be connected via parallel, serial, USB, and SCSI USB is most common
Port Replicator
__ can provide a means of converting connection types
ex. Micro DVI to a regular DVI connection
Port Replicators
__ is the location in which laptop cable locks are secured. The other end of the cable is secured to a permanent anchored fixture
ex. wall or desk
Lock Port
Devices that can be used as a laptop and tablet are called __
2 in 1 devices
The two types of 2 in 1 devices are __ tablet
one piece and detacable
2 in 1 device are equipped with both a __
removeable touch screen and physical keyboard