CompTIA A+ 220-901 Hardware Acronyms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| AC | show 🗑
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| ACPI | show 🗑
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| ADSL | show 🗑
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| show | accelerated graphics port - used for faster graphics cards during the era of PCI - now replaced with PCI express
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| show | advanced host controller interface - improved SATA protocol that works faster with SATA hard drives and solid state drives
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| AP | show 🗑
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| APM | show 🗑
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| ATA | show 🗑
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| ATAPI | show 🗑
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| ATM | show 🗑
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| ATX | show 🗑
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| show | audio video
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| BIOS | show 🗑
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| show | Bayonet-Neil-Concelman or British Naval Connector - used to terminate some coaxial cables used for networking
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| show | balanced technology extended - newer specification than ATX - not widely adopted - was designed for better thermal protection
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| CCFL | show 🗑
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| CD | show 🗑
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| CD-ROM | show 🗑
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| show | compact disk rewriteable - data can be written to repeatedly
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| CDFS | show 🗑
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| show | complementary metal-oxide semiconductor - ofen used to store BIOS settings. Will loose data when power is removed until it is backed up with a battery.
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| show | communications and networking riser - older small expansion slot used for modems and network adapters
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| COMx | show 🗑
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| show | central processing unit - also called the processor or microprocessor
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| show | cathode-ray tube - older display technology that used a vacuum tube with a phosphorescent screen and electron guns to display an image
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| show | serial communications D-shell connector with 25 pins - Used on the original PCs for the COM1 (serial) port
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| show | serial communications D-shell connector with 9 pins - Used in computers for the COM1 (serial) port. Now replaced with USB.
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| show | Direct Current - the type of electricity used inside the computer. The power supply converts AC to DC
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| DDR | show 🗑
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| DDR-RAM | show 🗑
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| show | double data rate synchronous dynamic random access memory - same as DDR memory
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| show | dual inline memory module - memory module with different pins on each side
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| DIN | show 🗑
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| show | digital linear tape - magnetic tape storage technology developed in the 1980s and extending to the 1990s. Capacity was measured in Gigabytes
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| DLP | show 🗑
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| DMA | show 🗑
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| show | demilitarized zone - area between firewalls for company servers that the public needs to access - also known as the perimeter network
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| show | domain name service or server. Used with TCP/IP for name resolution
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| DRAM | show 🗑
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| DRM | show 🗑
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| show | digital subscriber line - used to provide internet access from the phone company. Allows voice and data at the same time but only works over a limited distance
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| DVD | show 🗑
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| show | digital video disk random access memory - can be recorded over many times
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| DVD-ROM | show 🗑
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| DVD-R | show 🗑
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| show | digital video disk rewriteable - can be re-recorded
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| show | digital visual interface - started to replace VGA about the time flat pannels started to replace CRTs
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| show | error correcting code / error checking and correction - used in higher-end computers like servers to keep memory accurate
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| ECP | show 🗑
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| EEPROM | show 🗑
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| show | enhanced integrated drive electronics - enhanced version of IDE used to speed of the data transfer to and from disks
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| show | electromagnetic interference - produced by such things as motors, fluorescent lights, etc. Can be a problem with unsheilded twisted pair (UDP) network cable
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| show | electromagntic pulse - could destry all our computers and put us back into the stone age!
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| show | eraseable programmable read-only memory. This memory was used to store BIOS before EEPROM and is erased with an ultraviolet lamp
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| show | enhanced parallel port - part of the parallel port IEEE 1284 standard - not as powerful as ECP but still bi-directonal
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| show | electrostatic discharge - static electricity discharge that can harm processors or memory
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| show | extened video graphics adapter - resolution was 1024 X 768
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| show | evolution data optimized or evolution data only - a 3G standard for CDMA networks
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| FAT | show 🗑
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| show | 12-bit file allocation table - used with floppy disks only
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| show | 16-bit file allocation table - used in early versions of DOS
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| FAT32 | show 🗑
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| FDD | show 🗑
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| show | Function (referring to the function key on a laptop
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| FPM | show 🗑
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| FRU | show 🗑
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| FSB | show 🗑
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| Gb | show 🗑
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| GB | show 🗑
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| GDI | show 🗑
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| show | gigahertz
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| show | graphical user interface
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| GPS | show 🗑
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| show | global system for mobile communications - uses SIM cards
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