A+ Guide to Hardware

A+ Guide to Hardware

Language: English

Pages: 570

ISBN: 1305266455

Format: PDF / Kindle (mobi) / ePub

This step-by-step, highly visual text provides a comprehensive introduction to managing and maintaining computer hardware and software. Written by best-selling author and educator Jean Andrews, A+ GUIDE TO HARDWARE, Ninth Edition, closely integrates the CompTIA A+ Exam objectives to prepare students for the 220-901 certification exams. The new Ninth Edition also features extensive updates to reflect current technology, techniques, and industry standards in the dynamic, fast-paced field of PC repair and information technology. Each chapter covers both core concepts and advanced topics, organizing material to facilitate practical application and encourage students to learn by doing. The new edition features more coverage of updated hardware, security, and increased emphasis on mobile devices. Supported by a wide range of supplemental resources to enhance learning with Lab Manuals, CourseNotes, online labs and the optional MindTap that includes labs, certification test prep and interactive exercises and activities, this proven text offers students an ideal way to prepare for success as a professional IT support technician.

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Software Software See A+ Guide to Software 423–441 622–633 See A+ Guide to Software See A+ Guide to Software Copyright 2012 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove.

Monitor. Be sure a CRT monitor is discharged before you dispose of it. Most CRT monitors today are designed to discharge after sitting unplugged for 60 minutes. It can be manually discharged by using a high-voltage probe with the monitor case opened. Ask a technician trained to fix monitors to do this for you. Always follow local government regulations when disposing of computer equipment, monitors, printers, chemicals, and other substances that might be dangerous to the environment or humans.

To write data to another component, the two components get in sync for the write operation. Then, the first component places voltage on several lines of the bus, and the other component immediately reads the voltage on these lines. The CPU or other devices interpret the voltage, or lack of voltage, on each line on the bus as binary digits (0s or 1s). The width of a data bus is called the data path size. Some buses have data paths that are 8, 16, 32, 64, 128, or more bits wide. For example, a bus.

Overclocking. 9. Can you disable the onboard ports on the computer? If so, which ports can you disable, and what is the name of the screen(s) where this is done? 10. List three BIOS settings that control how power is managed on the computer. Now let’s see what other tasks you might need to do when you are responsible for maintaining a motherboard. MAINTAINING A MOTHERBOARD To maintain a motherboard, you need to know how to update the motherboard drivers, flash BIOS, and replace the CMOS.

From the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. Maintaining a Motherboard A+ 220-801 1.1 125 Update from a USB flash drive using setup BIOS. Copy the downloaded update file to a USB flash drive. Then restart the system and press a key at startup that launches the BIOS.

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