- BSoD - blue screen of death
- DDRSD RAM - Double data rate synchronous dynamic random-access memory
- Dual Channel Architecture - simultaneous sending and receiving of data
- DRAM - Dynamic random access memory
- ECCRAM - error correction code random access memory
- Pinwheel of Death - apple error for application loading screen
- Buffered RAM – Registered random access memory
- Unbuffered RAM – consumer random access memory (this is most used)
- DDR2 – next gen ram after DDR (at 100Mhz clock speed ran 400 Transfers per second)
- DDR3 – Faster than DDR2 (twice the speed of DDR2)
- DDR3L – Low voltage DDR3
- DDR3U – Even lower voltage than DDR3L
- DDR4 – current generation of RAM (twice the speed of DDR3)
- Single Sided RAM – Chips on one side
- Double Sided RAM – Chips on both side
- Quad channel Architecture – needs more sticks of RAM (4) than triple channel to run efficiently
- Parody RAM – (parody bit AKA a little extra data)
- SIMM – Single inline memory module
- SODIMM – small outline dual outline memory module
- Triple channel architecture – Needs 3 sticks of RAM to run efficiently
Friday, January 31, 2020
A+ Chapter 5 Power Words - Defined
Thursday, January 30, 2020
A+ Chapter 10 Power Words - Defined
Chapter 10 - Implementing Hard Drives
- EFS – encrypting file system
- FAT 32 – File Allocation Table 32 bit
- FAT 64 - File Allocation Table 64 bit
- Active partition - Part of the MBR
- File system – A way to store files
- EXFat – same as FAT64
- MBR – Master Boot Record
- MFT – Master File Table
- NTFS – New Technology File system
- EXT4 – Fourth Extended File System
- Defragment – A way to optimize drives
- CHKDSK – Check Disk command line utility
- Disk Cleanup – Cleans up unnecessary files
- Disk management – Graphical portioning system
- Disk utility – MAC OS X utility similar to disk management
- Data structure – Official jargon for how FAT is set up
- Dynamic disk – Uses dynamic partitioning
- Basic disk - Uses MBR or GPT for a partition
- GPT – GUID partition table
- Parity space – Space efficient backup for information stored on the drive
A+ Chapter 9 Power Words - Defined
- AHCI – Advanced Host Controller Interface
- ATA – Advanced Technology Attachment
- SATA – Serial Advanced Technology Attachment
- eSATA – external Serial Advanced Technology Attachment
- HDD – Hard Disk Drive
- HBA – Host Bus Adapter
- HHDs – Hybrid Hard Drives
- IDE – Integrated Drive Electronics
- mSATA – An interface that needs a preadapted SSD for usage
- NCQ – Native Command Queuing
- NVMe – Non-volatile Memory express
- RAID – Redundant array of independent (inexpensive) disks
- SATAe – Serial Advanced Technology Attachment Express
- S.M.A.R.T. – Self-Monitoring, Analysis, and Reporting Technology
- SSD – Solid-State Drive
- Disk duplexing - a variation of disk mirroring in which each of multiple storage disks has its own SCSI controller
- Disk mirroring - Disk mirroring (also known as RAID-1) is the practice of duplicating data in separate volumes on two hard disks
- Disk stripping - a technique in which multiple smaller disks act as a single large disk
- Disk stripping with parity - provides data redundancy and reliability
- Hot Swapping - fit or replace (a computer part) with the power still connected (Also a good way to get hurt if you’re not paying attention)
A+ Chapter 6 Power Words - Defined
Chapter 6 - BIOS
- Chipset – Electronic chips that handle all low level processing on a PC
- Beep Code – Beeping sound code that will tell you problems with your pc.
- CMOS Clear – Using this will clear the CMOS
- Bootable Disk – Disk drive that can be booted in the BIOS menu.
- Flash ROM - You can write information to it but it wont be erased when the system is off.
- System Bios – Controls basic input output system.
- Device Drivers – These are used to tell devices that are plugged into your pc how to work.
- ROM- Read Only Memory
- Installation Disc – Disc that is used to install a Software or OS.
- System Disk – Any storage device with a bootable operating system.
- Secure Boot – A feature that secures the boot sequence.
- LoJack – A tracking software put into computers.
- POST Card – Plug in Diagnostics card.
- Bootstrap Loader – Used to load software’s.
- Nonvolatile - Retaining data even if there is a break in the power supply.
- Firmware – Software programed to the read only memory
- Power on Self-Test – Test to see if the pc can power on
- (CMOS) – Complementary metal-oxide semiconductor
- Scan Code - Its a pattern of 1's and 0's
- Registry - A special database that stores everything on a windows device.
A+ Chapter 7 Power Words - Defined
Chapter 7 - Motherboards
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- Motherboard – A computers brain it connects every part of the pc to itself and makes sure information gets to its destination.
- Motherboard book – valuable resource for installing motherboard it gives lists for what motherboards can connect to which parts.
- Transfer rate – rate of data transferred between two devices which is normally transferred through the expansion bus.
- Traces – electronic connections in a mother board
- Device driver – control communications between computer and peripherals (Peripherals - are anything that connects to the outside of the pc ex. USB)
- Mini PCI – PCI used for laptops (PCI - ex USB)
- Chipset – Electronic chipset that are connected to the motherboard that handle all lower level processes in a PC
- Nano ITX – 4.7-inch by 4.7-inch variation on the ITX form factor
- AT – 802868 IBM bases computer
- ATX – popular motherboard standards.
- Burn in failure – critical failure that are normally with manufacturing defects.
- Catastrophic failure – Describes a failure in either a component or the whole system unable to boot.
- Component failure – occurs when the system device fails from manufacturing or other defects
- Distended capacitors - failed capacitors on the mother board that bulge out at the top
- Expansion bus – set of wires going to the CPU
- Expansion slots – connections on a motherboard that enable users to add components
- FlexATX – very small motherboard
- Form factor – Standards for organization of motherboard itself and the size of the motherboard.
- ITX – a family of motherboard factors
- Micro ATX – Uses ATX power supply
- Windows hardware certification program – testing program for hardware
A+ Chapter 1 Power Words - Defined
Chapter 1 - Path of the PC Tech
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- Certification - an official document attesting to a status or level of achievement.
- CCNA - is an information technology certification from Cisco Systems
- CompTIA A+ 220-901 - covers PC hardware and peripherals, mobile device hardware, networking and troubleshooting hardware and network connectivity issues
- CompTIA A+ 220-902 - covers installing and configuring operating systems including Windows, iOS, Android, Apple OS X and Linux
- CompTIA Network+ Certification - IT certification exam that verifies you have the essential knowledge and skills in networking to develop a career in IT infrastructure
- CompTIA - non-profit trade association known for its IT certification exams and test preparation courses
- IT - Information Technology
- MCSE - (Microsoft Certified Professional) certification program from Microsoft that enables IT Professionals and Developers to validate their technical expertise
- Network - computing devices that use a common telecommunications technology
- PC Tech - A computer repair technician is a person who repairs and maintains computers and servers
- Pearson VUE - IT service management company
- Voucher - a small printed piece of paper that entitles the holder to a discount
- www.comptia.org – CompTIA website
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