Milestones in Computer Science and Information Technology
Greenwood Press, 2003 - 380 oldal
Using the same approach as the popular "Milestones in Science and Technology" and "Milestones in Health and Medicine," this unique reference features more than 600 concise entries describing the most significant advances in the field of computer science and information technology. Arranged in a convenient A-to-Z format, entries explain topics in a wide variety of categories, including hardware, software, theory, mathematics, programming, languages, memory, architecture, applications, and graphics.
Each entry presents a history of the topic's milestones, describes its current status, and recommends a source for additional research. Entries link key developments and discoveries to notable researchers and companies, from the famous figures like Alan Turing and Bill Gates to lesser-known names like Gordon Moore and Zuse. More than 30 illustrations, helpful cross-references, four indexes, and selected sources for additional reading help users navigate this reference and supplement their research. Whether you're researching cutting-edge technologies such as MP3, data encryption, and Beowulf clusters, or historical topics like Fortran, Packard Bell, and the Alto computer, students from high school and college, scholars, and the general public can easily find the facts and dates surrounding the most significant developments in the history of computing.
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Single- precision numbers were represented in 39-bit binary floating-point
arithmetic using 32 bits for the mantissa, 1 bit for sign, and 6 bits for the signed
exponent. A double-precision format was also supported. Instructions were 39
bits long, ...
Binary number system coded in three nibbles is 999, whereas the largest (
unsigned) 12-bit binary number (12 consecutive 1 bits) is equivalent to 4,095.
Early decimal computers such as the ENIAC actually used some form of binary-
Data path definitions The data path of a binary digital computer is the number of
bits that can be fetched from main memory in one memory-access instruction. For
traditional mainframe and minicomputers, the computer's data path tended to be
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In the preface of his latest endeavor, which sits somewhere between an encyclopedia and a dictionary, Reilly (computer science, emeritus, SUNY at Buffalo; Encyclopedia of Computer Science) states that ... Teljes értékelés elolvasása
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