Instruction - A single action that can be performed by a computer processor., Data - Units of information given to a computer system., CPU - Central processing unit is the brain of the computer that processes program instructions., Transistors - Devices that open and close circuits to communicate electrical signals. CPUs contain millions of transistors., Boolean logic - A form of logical algebra which work only with two values, true or false / 1 or 0, AND Gate - Has two inputs, the inputs must be 1 (on) in order for the output to be 1(on), OR Gate - Has two inputs, either of the inputs have to be1 in order for the output to be 1(on)., NOT Gate - Has one input, the input has to be 0 (off) for the output to be 1(on)., Binary - A number system that contains two symbols, 0 and 1., Denary - The number system most commonly used by people. It contains 10 unique digits 0 to 9., Computer system - A device that consists of input, process, output and storage, Input - Provides data to a computer system. e.g. keyboard, Output - Used to communicate the results of data that has been processed, e.g. monitor., Process - A calculation is carried out on input to turn it into meaningful output., Storage - Used to store data e.g. a usb stick, Computational Thinking - Allows a complex problem to be taken, understood and a solution is developed., Abstraction - Focusing on the important information only, ignoring relevant detail., Decomposition - Breaking down a complex problem or system into smaller, more manageable parts., Pattern recongition - Looking for similarities among and within problems., Algorithms - Developing a step by step solution tot he problem, or the rules to follow to solve the problem.,

7.2 Programming Hang Man

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