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An input-consuming logic gate L is reversible if it meets the following conditions: (1) L(x) = y is a gate where for any output y, there is a unique input x; (2) The gate L is reversible if there is a gate L´(y) = x which maps y to x, for all y. An example of a reversible logic gate is a NOT, which can be described from its truth table below:
OR-AND-invert gates or OAI-gates are logic gates comprising OR gates followed by a NAND gate. They can be efficiently implemented in logic families like CMOS and TTL . They are dual to AND-OR-invert gates.
A truth table is a mathematical table used in logic—specifically in connection with Boolean algebra, Boolean functions, and propositional calculus—which sets out the functional values of logical expressions on each of their functional arguments, that is, for each combination of values taken by their logical variables. [1] In particular ...
The NOT gate is one of three basic logic gates from which any Boolean circuit may be built up. Together with the AND gate and the OR gate, any function in binary mathematics may be implemented. All other logic gates may be made from these three. [3] The terms "programmable inverter" or "controlled inverter" do not refer to this gate; instead ...
The Unbelievable Truth is a BBC Radio 4 comedy panel game devised by Graeme Garden and Jon Naismith. [4] The game is chaired by David Mitchell and is described in the programme's introduction as "the panel game built on truth and lies." The object of the game is for each panellist to deliver a short lecture about a given subject, which should ...
Sir William Mark Tully, KBE (born 24 October 1935) [1] [2] is a British journalist and the former Bureau Chief of BBC, New Delhi, a position he held for 20 years. [3] He worked with the BBC for 30 years before resigning in July 1994. [4] The recipient of several awards, Tully has authored nine books. He is a member of the Oriental Club.
He had been a member of the BBC Trust, the governing body of the British Broadcasting Corporation, and was replaced by Richard Ayre. Tait was a former editor of BBC's Newsnight, Channel 4 News (1987–1995) and was Editor-in-Chief of ITN (1995–2002). He is a fellow of the Royal Television Society and the Society of Editors.
The Murder Game is a British reality television series that aired on BBC One from March to May 2003. The show was based on the American Fox television show Murder in Small Town X . Though classified as a reality television series, it was more accurately a hybrid of reality TV, game show , and mystery drama.