CS 1336 Chapter Notes - Chapter 1: Short-Term Memory, Bell Labs, Computer Language
5 Nov 2016
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Document Summary
Input -> control unit -> arithmetic logic unit (computation) -> output. Decode- converts information into numbers to create and electrical signal. Execute- signal is sent to alu or hardware storage device. Volatile- when the computer is turned off, the memory is deleted. 1 byte = 1 letter or 1 digit. Bytes are divided into 8 storages known as bits. Bytes = switches (on (+) or off (-)) Each byte has an address (unique #) Most common form of secondary storage = hard drive. Usb is more portable than a hard drive but is usually smaller in storage space. Data is not recorded magnetically for cd/dvd rather it uses series of pits on the disk and a laser that reads the pits. Operating systems (os) ex) basics of a computer. Utility programs- virus protection, back up programs, file- compressions. Software development- visual studios or other compilers. Any program being used/commonly such as microsoft word.
