IT Essentials: PC Hardware and Software Companion Guide (3rd by David Anfinson, Kenneth Quamme

By David Anfinson, Kenneth Quamme

The IT necessities: workstation and software program better half advisor vitamins and enhances the IT necessities I: workstation and software program v4.0 on-line curriculum provided by means of the Cisco Networking Academy Program.

The spouse advisor is designed as a supplemental textbook for the Networking Academy direction, delivering scholars a transportable table reference of the direction content material to exploit every time at any place as a learn relief. The bankruptcy content material aligns 1:1 to the web path module issues, yet doesn't basically mimic the content material word-for-word. The authors current the direction fabric within the significant other consultant in a entire demeanour, supplying their very own examples the place essential to increase a student's figuring out of the path fabric.

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Extra resources for IT Essentials: PC Hardware and Software Companion Guide (3rd Edition)

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However, only software specially written to call MMX instructions can take advantage of the MMX instruction set. The latest processor technology has caused CPU manufacturers to find ways to incorporate more than one CPU core into a single chip. info 18 IT Essentials: PC Harware and Software Companion Guide ■ Single-core CPU: One core inside a single CPU chip that handles all the processing capability. A motherboard manufacturer may provide sockets for more than a single processor, providing the ability to build a powerful multiprocessor computer.

A metal plate is placed over the processor, and water is pumped over the top to collect the heat that the CPU creates. The water is pumped to a radiator to be cooled by the air and then is recirculated. Identify the Names, Purposes, and Characteristics of ROM and RAM ROM and RAM provide memory for a vast amount of computer equipment. They come in different memory sizes and module sizes and have different features. The following sections cover ROM and RAM in greater detail. info 20 IT Essentials: PC Harware and Software Companion Guide ROM Read-only memory (ROM) chips are located on the motherboard.

Most CPU sockets and processors in use today are built around the pin grid array (PGA) architecture, in which the pins on the underside of the processor are inserted into the socket, usually with zero insertion force (ZIF). ZIF refers to the amount of force needed to install a CPU into the motherboard socket or slot. Slot-based processors are cartridge-shaped and fit into a slot that looks similar to an expansion slot. Tables 1-2 through 1-8 list common CPU socket specifications. info Xeon (P4) Chapter 1: Introduction to the Personal Computer Socket Pins Layout Voltage Supported Processors PAC 418 Socket 611 25×28 mPGA Auto VRM Itanium 2 PAC 611 Socket 940 31×31 mPGA Auto VRM AMD Athlon 64FX, Opteron 940 17 The CPU executes a program, which is a sequence of stored instructions.

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