COSC 109 Midterm (with Errorless Solutions)
analog correct answers what humans use digital correct answers what computers use encode correct answers assigning meaning to various combinations decode correct answers interpreting the meaning associated with signals bits correct answers binary digits with two possible values, 0 or 1 bytes correct answers eight bits make a byte kilo (K) correct answers 2^10 = 1,000 bytes mega (M) correct answers 2^20 = 1,000,000 bits giga (G) correct answers 2^30 tera (T) correct answers 2^40 decimal system correct answers base-10 notation (human use) binary system correct answers base-2 notation (computer use) continuous correct answers analog media, infinite number of data points discrete & finite correct answers digital media, what computers can handle sampling correct answers measuring data quantizing correct answers rounding a value to one of the discrete values within a set of discrete values sampling rate correct answers how frequently you take measurements bit depth correct answers number of possible levels (more discrete levels) file compression correct answers lets you reduce the total number of bits and bytes in a file lossy compression correct answers some info in the original file will be lost without recovery (ex. jpeg, mp3) cloud correct answers large group of interconnected computers accessible via the internet
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