CMSC 131 Quiz #1 (A+ Graded Already)

CPU correct answers Central Processing Unit CPU function correct answers brain of the computer RAM correct answers Random Access Memory Secondary Memory Device examples correct answers hard drives, solid state drives, flash drives, CDs/DVDs Advantage of using RAM correct answers faster since it is directly on motherboard Disadvantage of using RAM correct answers temporary and volatile- storage could be gone forever 2 advantages of using secondary memory devices correct answers 1. could have more space 2. non-volatile/ portable between devices Input device examples correct answers Keyboard, mouse, speaker, touchscreen, storage device, scanner, microphone Output device examples correct answers Monitor, printer, storage device, speakers, projector What does the subscript of a number indicate? correct answers the base of the number (i.e. 2 for binary numbers) What does bit stand for? correct answers binary digit contents of a bit correct answers 1 or 0/ "on" or "off" byte definition correct answers a SEQUENCE of 8 bits # of bytes in a cell correct answers 1 how is each cell labeled correct answers with an "address" number of binary possibilities of a binary number with k bits correct answers 2^k How many bytes are in a kilobyte? correct answers 1000 or 1024 How many bytes are in a megabyte? correct answers 1 million or 2^20 How many bytes are in a gigabyte? correct answers 1 billion or 2^30 How many bytes are in a terabyte? correct answers 1 trillion or 2^40