Nt1210 Unit 1 Assignment 1

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Unit 1 Assignment 1 1. C – Represents one binary digit 2. D – Kilobyte 3. D – 4 bits per byte 4. A – used for short term memory D – Connects to the CPU over a bus using a cable 5. A – The CPU tells the RAM which address holds the data that the CPU wants to read 6. C – Character set 7. D – The binary equivalent of decimal 123456789 8. A – An actuator arm 9. B – Provides a convenient way to name a set of data for easier operations C – Names give users an easy way to reference the data D – Gives the CPU an easy way to identify the data it wants to read from the RAM 10. A – By reading the file systems 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 – RAM D – USB flash drive 15. A – Keyboard Map 16. C – Using a series of light (on\off) pulses, sent by each key, triggered when the user presses a key 17. B – Two dimensions: movement as two numbers: one in the direction of the X axis on an X,Y graph, and the other on the Y axis 18. B – An input of user data 19. B - The screen resolution is the number of lighted dots per inch (DPI) currently in use on the screen C - The screen is using more than 1 million pixels. 20. A - Information that identifies each individual pixel on the computer display B - A binary code for each pixel, defining its color RAM = Random Access Memory OS = Operating System CPU = Central Processing Unit KB = Kilobyte MB = Megabyte GB = Gigabyte TB = Terabyte USB = Universal System Bus HDD = Hard Disk Drive ODD = Optical Disk Drive I/O = Input/Output DPI = Dots per

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