A+ Certification Training Kit, 2nd edition by Microsoft Corporation

By Microsoft Corporation

The A+ Certification application was once created through a consortium of businesses; together with Microsoft, to outline baseline wisdom and talent degrees for IT pros who help and software program in accordance with the Intel platform. With this self-paced education equipment, Microsoft applies its renowned, competency-based studying structure to A+ certification try guidance. Entry-level IT pros, computing device provider technicians, and different desktop technological know-how tune scholars can use the package to construct real-world services with structures and working structures -- as they organize for the corresponding ability parts of the A+ examination.

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Another device important to computer history is the Colossus I, an early digital computer built at a secret government research establishment at Bletchley Park, Buckinghamshire, England, under the direction of Professor Max Newman. Colossus I was designed for a single purpose: cryptanalysis—breaking codes. Using punched paper tape input, it scanned and analyzed 5000 characters per second. Colossus became operational in December 1943 and proved to be one of the most important technological aids to victory in World War II.

Vendors find they can cut their training programs by as much as 50 percent when they require that all attendees are A+ Certified. Customer confidence. As the general public learns about A+ Certification, customers will request that only certified technicians be assigned to their accounts. Companies benefit from improved productivity. Certified employees perform work faster and more accurately. Statistics show that certified employees can work up to 75 percent faster than noncertified employees.

The table that follows lists units of computer memory and their values. Memory Unit Value Bit Smallest unit of information, shorthand term for binary digit Nibble 4 bits (Half of a byte) Byte 8 bits (Equal to one character) Word 16 bits on most personal computers (longer words possible on larger computers) Kilobyte (KB) 1024 bytes Megabyte (MB) 1,048,576 bytes (Approximately one million bytes or 1024 KB) Gigabyte (GB) 1,073,741,824 bytes (Approximately one billion bytes or 1024 MB) The Binary System The binary system of numbers uses the base of 2 (0 and 1).

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