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Lecture 12 Sequential Logic –part 4

CS147. Lecture 12 Sequential Logic –part 4. Prof. Sin-Min Lee Department of Computer Science.

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Lecture 12 Sequential Logic –part 4

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  1. CS147 Lecture 12 Sequential Logic –part 4 Prof. Sin-Min Lee Department of Computer Science

  2. (a) Parallel transmission uses one connecting line per bit, and all bits are transmitted simultaneously;(b) Serial transmission uses only one signal line, and the individual bits are transmitted serially (one at a time). Parallel / Serial Transmission

  3. Review Questions • Describe the relative advantages of parallel and serial transmission of binary data. ans.) Parallel is faster; Serial requires only one signal line

  4. Comparison of nonmemory and memory operation When an input is applied to a circuit, the output will change its state, but it will remain in the new state even after the input is removed. This property of retaining its response to a momentary input is called memory. Memory

  5. Functional diagram of a digital computer Digital Computers

  6. Type of Computers - microcomputer, minicomputer (workstation), and mainframe. • Microcomputer - the smallest type of computer - consists of several IC chips; microprocessor, memory, and i/o interface • Microcontroller - a more specialized type of microcomputer - designed to be used as a dedicated or embedded controller

  7. Explain how a digital circuit that has memory differs from one that does not. ans.) One that has memory will have its output changed and remain changed in response to a momentary change in the input signal.

  8. (a) Parallel transmission uses one connecting line per bit, and all bits are transmitted simultaneously;(b) Serial transmission uses only one signal line, and the individual bits are transmitted serially (one at a time). Parallel / Serial Transmission

  9. Describe the relative advantages of parallel and serial transmission of binary data. ans.) Parallel is faster; Serial requires only one signal line

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