Why an ac systems are preferred over dc systems?

1151

all i need to know about cmpseqdat parameter in cmppfm, how it works and can we retrieve line sequence and date from the output?

2923

What is Moore's law and what limits the size of a computer chip?

1212

What are a trap and trapdoor?

1120

Is index automatically created on primary key?

879

What is html tags used for?

1200

What are the attributes of the tags? What are their functions?

886

Tell me when taken to the top of a mountain, a clock will go fast or go slow or no change or stop?

967

can you any one give exact mathematical relation between AC current and DC current?

2053

Is a number php?

1042

What are the layers & masks in photoshop?

21

How do I find mysql database?

951

What is the reaction that occurs between iodine and sodium thiosulphate?

1097

Hi,Please can any one tell me about SAP Testing concepts.

2070

Write a program to print fibonacci series

1235