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Computer Chpt 4

The Machine Cycle consists of Fetching, Decoding, Executing, and Storing
Kilohertz thousand operations per second
Megahertz million operations per second
Gigahertz billion operations per second
RAM stands for _______ and is the ____ _____ Random Access Memory, most common
Microcode is used to program PROM chips
Flash memory is similar to EEPROM
video cards are used to convert computer output into a video signal
High Speed USB is called USB 2.0
IEEE 1394 is also called a Firewire Port
SCSI stands for Small Computer Serial Interface
The Word size of a computer is the number of bits that a processor can interpret and execute at a given time
Desktop computer comp designed so the system unit, input devices, output devices, and any other devices fit entirely on or under a desk/table
computer chip a small piece of semi-conducting material, usually silicone, on which integrated circuits are etched
integrated circuits contain many microscopic pathways capable of carrying electrical current each contain millions of elements - resistors, capacitors, and transistors
Multi-core processor (dual-core, quad-core) is a single chip with 2+ separate processor cores
registers [within a processor] small, high speed storage locations
L1 cache fastest access, built directly in the processor chip 8KB-12KB
memory cache helps speed the processes of the comp b/c it stores frequently used instructions and data
plug and play the comp can automatically configure adapter cards and other peripherals as you install them
PCI Bus (Peripheral component interconnect bus) a high speed expansion bus that connects higher speed devices
Created by: cc.anna13