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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| show | asymmetrical digital subscriber line - common type of DSL that has more download bandwidth than upload bandwidth
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| AGP | show 🗑
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| AHCI | show 🗑
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| show | access point - used in wireless networks running in infrastructure mode
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| APM | show 🗑
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| show | advanced technology attachment - another name for IDE connected drives - has been replaced with SATA
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| show | advanced technology attachment packet interface - developed to allow optical drives to work with ATA (IDE)
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| show | asynchronous transfer mode - a packet or "cell" switching technology used on WANs and sometimes LANs
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| ATX | show 🗑
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| A/V | show 🗑
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| show | basic input/output system
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| BNC | show 🗑
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| BTX | show 🗑
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| CCFL | show 🗑
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| CD | show 🗑
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| CD-ROM | show 🗑
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| CD-RW | show 🗑
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| show | compact disk file system - a file system used to store data on a CD
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| CMOS | show 🗑
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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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| CPU | show 🗑
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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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| DB-25 | show 🗑
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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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| DC | show 🗑
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| DDR | show 🗑
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| DDR-RAM | show 🗑
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| DDR-SDRAM | show 🗑
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| DIMM | show 🗑
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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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| show | digital light processing - uses digital micro-electromechanical technology. Used in many front projection projectors.
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| DMA | show 🗑
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| DMZ | show 🗑
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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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| show | digital video disk or digital versatile disk - holds more than CDs but less than BlueRay
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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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| ECC | show 🗑
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| ECP | show 🗑
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| show | electrically erasable programmable read only memory now called flash memory - used to store the BIOS or other firmware
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| EIDE | show 🗑
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| EMI | show 🗑
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| EMP | show 🗑
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| EPROM | show 🗑
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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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| EVDO | show 🗑
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| show | file allocation table used before the NTFS file system
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| FAT12 | show 🗑
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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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| Fn | show 🗑
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| show | fast page mode - a type of memory used in old PCs before SDRAM
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| show | field replaceable unit - i.e. a power supply
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| show | front side bus - the bus between the CPU and RAM
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| Gb | show 🗑
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| GB | show 🗑
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| show | graphics device interface - a Microsoft Windows application programming interface used to draw shapes on graphics devices. Not as common as DirectX and or OpenGL.
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| show | gigahertz
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| show | graphical user interface
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| show | global positioning system
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| GSM | show 🗑
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