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LIS 3353 Ch1


A conductor connecting peripherals both inside and outside the computer. The width of the bus determines speed of transmission. Bus
Acronym: Central Processing Unit. The functional chip inside the computer that is responsible for number crunching. CPU
Acronym: Uniform Resource Locator. A standard for dictating the location of files on the Internet. URL
Graphics Processing Unit. Chip located either on the main board, or on a dedicated card; used to crunching numbers required for graphics. GPU
Interface that transmits many bits at a time over multiple parallel channels. parallel
Interface that transmits bits one at a time. serial
A processor with four separate processors, usually to reduce power usage, space usage, and heat exhaust. Quad-Core
"[The] standard for serial binary data signals." Rs232
Acronym: Small Computer Systems Interface. Interface with 8 bit transfer over parallel. Used for external peripherals SCSI
Acronym: Universal Serial Bus. Has generally replaced RS232 and other serial/parallel connections. USB
AKA: IEEE 1394 Interface. Similar to USB and comparable in speed. Replaced Parallel SCSI for many connections. FireWire
AKA: HDD or Hard Disk Drive. Non-volatile storage device that uses magnetic platters. Hard Drive
Drive used to read "floppy" disks, which are magnetic storage media. Floppy Drive
Drive that used integrated circuits to store data – no moving parts Solid State Drive
Acronym: Compact Disc – Read-Only Memory / Re-Writable. Optical storage medium. Some are read-only, and some are capable of being 'burned' (i.e., having data written onto the surface). Re-writable discs are erasable. CD-ROM/RW
A virtual desktop, often part of a "Graphical User Interface" that simulates a table or a stack of papers. Desktop
A personal computer for mobile use (sometimes called notebooks) Laptop
One piece mobile computer primarily operated by touchscreen Tablet
Acronym: Single Inline Memory Module. An older, deprecated style of RAM with only redundant sides. SIMM
Acronym:Dual Inline Memory Module. A memory module that has two unique sides on it. DIMM
Acronym: Random Access Memory. Volatile (requiring constant electric charge to maintain its contents) form of memory storage. RAM
The name for the first serial port on a computer. COM2 is the second, etc. COM1
Acronym: Read-Only Memory. Any form of memory, chip- or disk-based, that is not meant to be written over or erased. ROM
Used for encoding digits and letter characters in computing. Binary Code
Used primarily as a human-friendly representation of values coded in binary. Hexadecimal
Acronym: American Standard Code for Information Interchange. Consisting of printable and control characters, ASCII is the standard for translating plain text from the human interface to digital. ASCII
A wireless protocol for exchanging data over short distances from both fixed and mobile devices, thereby creating personal area networks (PANs). Bluetooth
Refers to the Global Positioning System (developed by the United States Department of Defense) that uses a constellation of 24 to 32 Medium Earth Orbit satellites GPS
Created by: 602503783
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