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On 5 January 1975, the 12-bit field that had been used for dates in the TOPS-10 operating system for DEC PDP-10 computers overflowed, in a bug known as "DATE75". The field value was calculated by taking the number of years since 1964, multiplying by 12, adding the number of months since January, multiplying by 31, and adding the number of days since the start of the month; putting 2 12 − 1 ...
The year 2038 problem (also known as Y2038, [1] Y2K38, Y2K38 superbug or the Epochalypse [2] [3]) is a time computing problem that leaves some computer systems unable to represent times after 03:14:07 UTC on 19 January 2038.
A computer scientist who teaches in the Department of Computer Science at the University of California, Los Angeles, contributor to the GNU operating system for over thirty years and current maintainer of the Time Zone Database. [460] [461] [462] FSF Free Software Awards – Social benefit award 2020 CiviCRM
1.8×10 1: ENIAC, first programmable electronic digital computer, 1945 [2] 5×10 1: upper end of serialized human perception computation (light bulbs do not flicker to the human observer) 7×10 1: Whirlwind I 1951 vacuum tube computer and IBM 1620 1959 transistorized scientific minicomputer [2]
A past paper is an examination paper from a previous year or previous years, usually used either for exam practice or for tests such as University of Oxford, [1] [2] University of Cambridge [3] College Collections. Exam candidates find past papers valuable in test preparation.
The Science of Computing: Shaping a Discipline. Taylor and Francis / CRC Press. ISBN 978-1-4822-1769-8. Kak, Subhash : Computing Science in Ancient India; Munshiram Manoharlal Publishers Pvt. Ltd (2001) The Development of Computer Science: A Sociocultural Perspective Matti Tedre's Ph.D. Thesis, University of Joensuu (2006) Ceruzzi, Paul E. (1998).
The exponential time hypothesis asserts that no algorithm can solve 3-SAT (or indeed k-SAT for any k > 2) in exp(o(n)) time (that is, fundamentally faster than exponential in n). Selman, Mitchell, and Levesque (1996) give empirical data on the difficulty of randomly generated 3-SAT formulas, depending on their size parameters.
The kit consists of an instruction manual and a die-cut cardboard "computer". The computer "operates" by means of pencil and sliding cards. Any arithmetic is done in the head of the person operating the computer. The computer operates in base 10 and has 100 memory cells which can hold signed numbers from 0 to ±999. It has an instruction set of ...