This topic contains a solution. Click here to go to the answer

Author Question: Which external resistor is necessary to cause a 25 msec pulse at the output of a 74121 monostable ... (Read 71 times)

asd123

  • Hero Member
  • *****
  • Posts: 557
Which external resistor is necessary to cause a 25 msec pulse at the output of a 74121 monostable multivibrator when joined with a 10 F external capacitor?
 
  A) 3.6 K resistor B) 20 K resistor C) 4.7 K resistor D) 10 K resistor

Question 2

Determine the contents of the accumulator after the execution of the following:
  MOV A, 3CH; A = 00111100
  MOV R4, 66H; R4 = 01100110
  ANL A, R4; A = AND R4
 
  A) 24H B) 30H C) 27H D) 28H



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

triiciiaa

  • Sr. Member
  • ****
  • Posts: 349
Answer to Question 1

A

Answer to Question 2

A




asd123

  • Member
  • Posts: 557
Reply 2 on: Jul 28, 2018
Thanks for the timely response, appreciate it


epscape

  • Member
  • Posts: 335
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

For a complete list of videos, visit our video library