COMPUTER FUNDAMENTALS

Detailed explanation-1: -A digital computer contains a (1) processor and (2) memory . The (1) processor executes simple (3) instructions very quickly. It can decide what to do next based on the results of earlier computations and (4) input from the outside world.

Detailed explanation-2: -How does a computer get instructions? A computer is given instructions by a human using a keyboard or another input device. To interpret these instructions, the computer uses an operating system, interpreter, or software to translate user commands into something the computer can understand.

Detailed explanation-3: -A computer is a device that accepts information (in the form of digitalized data) and manipulates it for some result based on a program, software, or sequence of instructions on how the data is to be processed.

Detailed explanation-4: -A typical digital computer system has four basic functional elements: (1) input-output equipment, (2) main memory, (3) control unit, and (4) arithmetic-logic unit. Any of a number of devices is used to enter data and program instructions into a computer and to gain access to the results of the processing operation.

Detailed explanation-5: -The board gives Astro Pi the ability to ‘sense’ and make many kinds of measurements, from temperature to movement, and to output information using a special display-the 8x8 LED matrix. The Astro Pis are also equipped with a joystick and buttons-just like a videogame console!