Unit 1 Assignment 1 Essay

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Unit 1 Assignment 1 1) File sharing, printer sharing, communication, organization, and remote access 2) The computer organizes the data into a permanent storage, which then gets filed using the file system. 3) The input creates information in the computer, while the output presents the information. Multiple-Choice Answers 1) C. Represents one binary digit 2) B. Megabytes 3) C. 64 bits per quadruple word 4) A. Used for short term memory E. Is installed on the motherboard 5) A. The CPU tells the RAM which address holds data that the CPU wants to read. 6) C. Character set 7) D. The binary equivalent to123456789 8) A. An actuator arm 9) A. Keeps data in order B. Provides a convenient way to name a set of data for easier operations like copying and moving. C. Names give users an easy way to reference the data 10) A. By reading the file system’s directory information, which is stored on the storage device 11) B. Using a magnetic charge 12) B. Used for long-term memory D. Connects to the CPU over a bus using a cable 13) A. Actuator arm C. Platters 14) A. Actuator arm D. USB flash drive 15) A. Keyboard map 16) D. By closing an electrical circuit connected to the key when the key is pressed 17) B. Two dimensions: movement as two numbers: one in the direction of the X axis of an X, Y graph and the other on the Y axis. 18) C. Input of commands that control the computer 19) C. The screen is using more than 1 million pixels. D. 1024 is the number of items top to bottom in a grid on the screen. 20) A. Information that identifies each individual pixel on the computer display B. A binary code for each pixel, defining its color List the Acronyms RAM- Random Access Memory OS- Operating System CPU- Central Processing Unit KB- Kilobyte MB- Mega Byte GB- Giga

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