what are the differences between dcs & plc & scada?

0 Answers  

---

what is the specific application of PLC in communications, control systems and automation?

2 Answers   Idea, TCS,

---

Hi i am going to attend the interview for BHEL. can you please help out in knowing about the area of preparation. I am apprearing for supervisior trainee post. Please share your views on this. Thanks (frm hydrabad)

1 Answers   Bhel,

---

What are the two methods of control in ac voltage controllers?

0 Answers  

---

WAP to print a given number [0-1000] in words. For example, 123 as One Hundred and Twenty Three

0 Answers  

---

Explain Speech Coding.

0 Answers  

---

What is the meaning of tristate signal in electronics?

0 Answers  

---

Normally we say cellphone is a embedded device but computer is not a embedded system. Today cell phones have the facility to install software. so the cell phone is embedded or not

4 Answers  

---

pls. send me 10 years modle papers for the post of section engg. (E&C) in rrb ajmer, at my mail id i.e. praveen.yugal@gmail.com.

0 Answers   Nokia,

---

Explain resistance?

0 Answers  

---

what are the universal logic gates?

0 Answers  

---

What is back diode?

0 Answers  

---