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Refer to the text in this chapter if necessary. A good score is at least 18 correct. Answers are in the back of the book.
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1. Because of the small size of ICs compared with equivalent circuits made from discrete components, (a) more heat is generated. (b) higher power output is possible. (c) higher switching speeds are attainable. (d) fewer calculations need to be done per unit time. 2. Which of the following is not an advantage of ICs over discrete components (a) Higher component density (b) Ease of maintenance (c) Lower gain (d) Lower current consumption 3. In which of the following devices would you never find an IC as the main component (a) The final amplifier in a large radio broadcast transmitter (b) The microprocessor in a personal computer (c) A battery-powered calculator (d) A low-power audio amplifier 4. Which, if any, of the following component types is not practical for direct fabrication on a chip (a) Resistors (b) Capacitors (c) Diodes (d) All three of the above component types are practical for direct fabrication on a chip. 5. An op amp circuit usually employs negative feedback to (a) maximize the gain. (b) control the gain. (c) allow oscillation over a wide band of frequencies. (d) Forget it! Op amp circuits never have negative feedback. 6. Suppose a communications channel carries several signals at once. Which type of IC might be used to single one of the signals out for reception (a) An op amp (b) A timer (c) A comparator (d) A multiplexer/demultiplexer 7. Which type of IC is commonly used to determine whether two dc voltages are the same or different (a) An op amp (b) A timer
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(c) A comparator (d) A multiplexer/demultiplexer 8. Which type of digital IC is least susceptible to noise (a) Transistor-transistor logic (b) Base-coupled logic (c) Emitter-coupled logic (d) N-channel-coupled logic 9. Which of the following is not a characteristic of CMOS chips (a) Sensitivity to damage by electrostatic discharge (b) Low current demand (c) Ability to work at high speed (d) Ability to handle extremely high power 10. An absolute limit to the component density that can be achieved in IC technology is determined by (a) the maximum current levels needed. (b) the maximum attainable impedance. (c) the size of the semiconductor atoms. (d) Forget it! There is no limit to the component density that can be achieved in IC technology. 11. With a ROM chip, (a) it is easier to read data from the device than to write data into it. (b) it is more difficult to read data from the device than to write data into it. (c) it is easy to read data from the device, and just as easy to write data into it. (d) it is difficult to read data from the device, and equally difficult to write data into it. 12. With a RAM chip, (a) it is easier to read data from the device than to write data into it. (b) it is more difficult to read data from the device than to write data into it. (c) it is easy to read data from the device, and just as easy to write data into it. (d) it is difficult to read data from the device, and equally difficult to write data into it. 13. Which type of IC must be physically removed from the circuit to have its memory contents changed (a) An EEPROM chip (b) An EPROM chip (c) An SRAM chip (d) A DRAM chip
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14. With respect to memory, which of the following terms means that the data contents vanish if power is removed from a chip (a) Volatility (b) Component density (c) Multiplexing (d) Corruptibility 15. In terms of the maximum number of transistors on a single chip, how many orders of magnitude larger is VLSI than MSI (a) Two (b) Three (c) Four (d) Forget it! The maximum number of transistors on a VLSI chip is not larger, but smaller than the maximum number of transistors on an MSI chip. 16. Which of the following illustrations in Fig. 28-9 shows the input and output of a differentiator circuit (a) A (b) B (c) C (d) None of them 17. Which of the following illustrations in Fig. 28-9 shows the input and output of an integrator circuit (a) A (b) B (c) C (d) None of them 18. Flip-flops are used to store data in (a) timers. (b) op amps. (c) multiplexers. (d) none of the above. 19. Capacitors are used to store data in (a) timers. (b) op amps. (c) multiplexers. (d) none of the above.
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