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1. An analog signal is different from a digital signal because it a. is easier to transmit. b. has only specific discrete values. c. is easier to duplicate. d. is continuous. 2. is a sharp grayscale representation of text used in some e-readers. a. Electronic ink b. Digital ink c. Cloud ink d. Analog ink 3. When creating a digital sound file, a higher sampling rate will a. produce a lower quality file. b. produce a higher-quality file. c. have no effect; all digital files are the same quality. d. create a file that takes up much less space. 4. Digital cameras capture images by using a. digital film. b. DRM sensors. c. LEDs. d. charge-coupled device (CCD) arrays. 5. Which of the following is TRUE about cryptocurrency? a. Cryptocurrency is regulated by governments just like conventional currency. b. Cryptocurrency transactions can be reversed. c. Transactions in cryptocurrency are anonymous. d. The value of cryptocurrency is relatively stable