Download CompTIA IT Fundamentals Study Guide Exam FC0-U51 by Quentin Docter PDF

By Quentin Docter

Info know-how isn't just approximately what purposes you should use it's in regards to the structures you could aid. The CompTIA IT basics certification is an advent to the talents required to turn into a winning structures aid expert, progressing onto extra complex certifications and occupation luck.

The Sybex CompTIA IT basics research advisor covers a hundred% of the examination ambitions in transparent and concise language and offers you authoritatively with all you want to comprehend to achieve the examination. besides gaining preventative upkeep abilities, additionally, you will improve the instruments to accomplish troubleshooting and fault solution and get to the bottom of universal concerns skilled via nearly all of computers.

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See Chapter 8 for more information. 24. B. Viruses and worms are similar in the damage they do. The major difference is that while a virus needs a host to replicate and spread, a worm can replicate itself and spread without user intervention. See Chapter 8 for more information. 25. D. The link was most likely a Trojan horse, which pretends to be a beneficial program but then does damage to your computer. It most likely installed malware on your system. See Chapter 8 for more information. 26. A, D.

Earlier I mentioned 32‐bit versus 64‐bit architecture. Exploring Motherboards, Processors, and Memory 23 Processors with 64‐bit architecture can accept more data at once, and as you can imagine that can make them much faster than their 32‐bit cousins. Binary numbering is a bit unfamiliar to most people, because we’re more accustomed to using the decimal numbering system (numbers 0–9). 1 will get you more familiar with the binary numbering system. 1 Converting between Decimal and Other Numbering Systems 1.

7 in. 7 in. 8 in. 77 in. 35 in. (170 × 85 mm) With how quickly computer technology evolves, it is amazing that the form factors remain popular as long as they do. The advent of smaller devices such as tablets and smartphones has driven the most recent design changes. Chipsets The motherboard’s chipset is a collection of chips or circuits that perform interface and peripheral functions for the processor. This collection of chips provides interfaces for memory, expansion cards, and onboard peripherals and generally dictates how a motherboard will communicate with the installed peripherals.

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