Multivibrators and 555 Timer Questions and Answers
Practice ModeShowing 10 of 45 questions
Q41
A bidirectional 4-bit shift register is storing the nibble 1101. Its input is HIGH. The nibble 1011 is waiting to be entered on the serial data-input line. After three clock pulses, the shift register is storing ________.
Answer: Option B
Q42
How can parallel data be taken out of a shift register simultaneously?
Answer: Option D
Q43
What is meant by parallel load of a shift register?
Answer: Option A
Q44
What does the output enable do on the 74395A chip?
Answer: Option D
Q45
To operate correctly, starting a ring shift counter requires:
Answer: Option B