Counters Questions

• What function does the CTR DIV 8 circuit given below perform?
• The designation means that the ________.
• How many flip-flops are required to make a MOD-32 binary counter?
• A MOD-16 synchronous counter has inputs labeled . These inputs would most probably be used to:
• Which segments of a seven-segment display would be required to be active to display the decimal digit 2?
• Which of the following groups of logic devices would be the minimum required for a MOD-64 synchronous counter?
• A multiplexed display being driven by a logic circuit:
• A 12 MHz clock frequency is applied to a cascaded counter containing a modulus-5 counter, a modulus-8 counter, and a modulus-10 counter. The lowest output frequency possible is ________.
• What is meant by parallel load of a counter?
• A 4-bit up/down binary counter is in the DOWN mode and in the 1100 state. To what state does the counter go on the next clock pulse?
• How many different states does a 2-bit asynchronous counter have?
• Synchronous construction reduces the delay time of a counter to the delay of:
• A BCD counter is a ________.
• How many natural states will there be in a 4-bit ripple counter?
• What is the difference between a 7490 and a 7493?
• Which of the following statements best describes the operation of a synchronous up-/down-counter?
• Which of the following is an invalid output state for an 8421 BCD counter?
• How can a digital one-shot be implemented using HDL?
• A modulus-10 counter must have ________.
• Why can a synchronous counter operate at a higher frequency than a ripple counter?