UNIT-8

Which of the Following is not correct for the D Flip Flop?

• The Output toggles if one of the input is held high
• Q output follows the Input D when the enable is high
• Only one of the input can be high at a time
• The output compliment follows the input when enabled

What is the Output condition of JK Flip Flop when inputs J= 0 & K= 0?

• Set
• Reset
• Toggle
• No change

Which of the following is not generally associate with Flipflops?

• Hold Time
• Propogation Delay Time
• Interval time
• setup time

Which of following is an ADVANTAGE of an Asynchronous Counter Circuit?

• High Propogation Delay
• Produces Decoding Error
• Prone to Glitches
• Simple Circuit Design

Which of the following is the alternative name for 4-bit Binary Counter?

• MOD-10 Counter
• MOD-6 Counter
• MOD-16 Counter
• MOD-4 Counter

The modulus of a counter is

• the number of flip-flops
• the actual number of states in its sequence
• the number of times it recycles in a second
• the number of logic gates used

A decade counter with a count of zero (0000) through nine (1001) is known as

• an ASCII counter
• a binary counter
• A BCD counter
• an octal counter

Which of the following is NOT the alternate name for BCD Counter?

• 4-bit Binary Counter
• Decade Counter
• Divide by 10 Counter
• Modulus of 10 Counter

Which of the following is a valid state in an 8421 BCD counter?

• 1010
• 1011
• 1111
• 1000

A 3-bit binary counter has a maximum modulus of

• 3
• 6
• 8
• 16