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Is there an answer key to CompTIA A Guide to Hardware Managing Maintaing and Troubleshooting fourth edition by jean Andrews?
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∙ 12y ago
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∙ 12y ago
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Real mode allows programs direct access to but protected mode does not?
i finnally freackin found it, real mode(16 bit) allows access to all hardware resources, where protected mode(32 bit) controls how the application accesses the hardware. In real-mode, an application has complete access to all hardware resources. This "open door" policy can create problems when applications make conflicting commands to the hardware. In protected mode and long mode, the OS controls how an application can access hardware.page 53 in CompTIA A+ Guide to Managing & Maintaining Your PC, Sixth Edition by Jean Andrews
What are re-marked chips?
In "A+ Guide to Hardware" by Jean Andrews it states that, They have been used, returned to the factory remarked and resold back to retailers.
List five types of computer case form factors What is the most popular type of form factor for PCs today?
ATX (most commonly used today), BTX, LPX, NLX, backplane systems, and the outdated ATform factorpages 143-150 of A+ Guide to Managing & Maintaining Your PC, Sixth Edition by Jean Andrews
If memory modules density is given as 16 x 64 what is the size of the module?
A+ "A guide to hardware" by Jean Andrews, pg240. It says if a density is 16x64, the size of the module is 16x(64/8) =16x8=128MB
Where do todays computers store almost all motherboard configuration data?
CMOS RAM Page 35 in A+ Guide To Managing and Maintaining Your PC 8th Edition By Jean Andrews, Ph.D. ISBN-13: 978-1-133-13516-6
What is the the basic electronic building block of an integrated circuit?
A transistorpage 105 A+ Guide To Hardware Fourth Editionpage 157 A+ Guide to Managing & Maintaining Your PC, Sixth Edition by Jean Andrews
Real mode allows programs direct access to but protected mode does not?
i finnally freackin found it, real mode(16 bit) allows access to all hardware resources, where protected mode(32 bit) controls how the application accesses the hardware. In real-mode, an application has complete access to all hardware resources. This "open door" policy can create problems when applications make conflicting commands to the hardware. In protected mode and long mode, the OS controls how an application can access hardware.page 53 in CompTIA A+ Guide to Managing & Maintaining Your PC, Sixth Edition by Jean Andrews
When using an 80-conductor cable-select cable the drive nearest the motherboard is the?
Answer: When using an 80-conductor cable-select cable, the drive nearest the motherboard is the master, and the drive farthest from the motherboard is the slave. You can recognize a cable-select cable by a small hole somewhere in the the data cable or by labels (master or slave) on the connectors. -CompTIA A+ Guide to Hardware, Managing, Maintaining, and Troubleshooting Fifth Edition 2010 copyright - Jean Andrews, Ph.D.
Which registry key contains information that device manager uses to display information about hardware?
Per "Guide To Managing and Maintaining Your PC, Seventh Edition" text book by Jean Andrews: (Page 707) Device Manager reads data from the HKLM\Hardware (hkey_local_machine) key to build the information it displays about hardware configurations.
What are five extensions that might be used for scripts?
Jscript or .js file extension Jscript Encoded or .jse VBScript Encoded or .vbe Windows Script or .wsf VBScript or .vbs Source: Jean Andrews Comptia A+ Guide to Software, Managing, Maintaining, and Troubleshooting 4 ed. 2007
What must be true before mmx sse sse2 and 3dnow technology can improve multimedia performance on a PC?
You have to a processor with an instruction set designed to improve performance with 3D graphics and other multimedia data. To take full advantage of MMX, SSE, SSE2, and 3DNow! technology, software must be written to use its specific capabilities. *found on pages 382 & 436 of CompTIA A+ Guide to Hardware Managing, Maintining, and Troubleshooting; Fourth Edition; By Jean Andrews
Name four job roles that can be categorized as a PC technician which one might never include interacting with the PCs primary user?
Help-desk technician Remote support technician Call center technician Jean Andrews A+ Guide to Software Managing, Maintaining, and Troubleshooting P 640
Who was Thomas Andrews?
Thomas Andrews was born on December 19, 1813.
If you need to start a computer with a minimum configuration while you troubleshoot hardware problems or problems caused by user settings boot into what mode?
Safe Mode Andrews, J. CompTIA A+ Guide to Managing and Maintaining your PC,6th ed..p 698, "Advanced Options Menu"
Who was the Managing Director of Design at Harland and Wolff?
Thomas Andrews was the Managing Director of Design at Harland and Wolff, known for his work on designing the RMS Titanic. He was known for his innovative ship designs and his dedication to the industry.
What has the author Jason R Andrews written?
Jason R Andrews has written: 'Co-verification of hardware and software for ARM SoC design' -- subject(s): Verification, Computer software, Integrated circuits, Systems on a chip
When assembling a system which do you install first.the drivers or the motherboard .?
Drives first. Pg. 60: A+ Guide to Managing and Maintaining Your PC. Jean Andrews, 8th Edition.
