Motherboard - All components interface and is provided access to the bus, CPU - Provide the computations for data and information, Expansion slots - Provide a method to add more features and components, Random Access Memory - Provide temporary storage memory , CMOS - Small battery, provide power to computer real-time clock, Control unit (CU) - Fetches instructions from memory, decodes, and executes them, Heat Sink - CPU cooling method, Cooling fan - Active CPU cooling technique, Express card 34, Network Interface Card (NIC), Zero Force Insertion (ZIF) - CPU Socket, Provide analog video - VGA connector port, PS/2 connector - Older connector for mouse and keyboard, ATX Form Factor - 12x9.6 inch popular for full-sized desktops, Full Tower - Designed to sit on the floor 22 inches or more, 32 or 64 bit - Processor's bit-value tells you how many bits it uses for its memory addresses, No-executive bit (NX Bit - Security feature allows operating system to classify areas of memory as non-executable, Clock Speed - Determines how quickly CPU can process data, CPU Throttling - Used to slow down the machine during slow or idle times, Pin grid array (PGA) - Pins on the underside of the CPU that are inserted into the processor sockets, DVI connector, Volatile Storage - Storage devices where data is lost when power is removed or turned off., 1,000 bytes - 1 kilobyte, BIOS - Runs system check when computer is powered on, PSU - Convert input wall power to computer voltages,

Chapter 2 Motherboard and CPU CompTIA 220-1001

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