I have ten columns that needs to be totalled... but some columns are empty...how do i get sum all the columns even if sum are empty? Can i get a total of the rows instead of columns? if yes, what is the function to be used?

1972

Explain a transaction server? : Client server computing

966

x pay incentive to y with tds@10%.what is the journal entry in the books of x & y?

2140

1. Assume that passwords are selected from four-character combination of 26 alphabetic characters. Assume that an adversary is able to attempt passwords at a rate of one per second. a. Assuming no feedback to the adversary until each attempt has been completed, what is the expected time to recover the correct password? b. Assuming feedback to the adversary flagging an error as each incorrect character is entered, what is the expected time to discover the correct password?

2109

Where is the merge button in word?

564

Can you list out the few features of ruby?

1

How would you go about persuading a customer that our product was better than any other?

1769

while creating requisitions i am unable to see the list of organisation can anyone help me out ?

2112

What is meant by D-FF? What is the basic difference between Latches and Flip flops? What is a multiplexer? How can you convert an SR Flip-flop to a JK Flip-flop? How can you convert an JK Flip-flop to a D Flip-flop? What is Race-around problem? How can you rectify it? Which semiconductor device is used as a voltage regulator and why? What do you mean by an ideal voltage source? What do you mean by zener breakdown and avalanche breakdown? What are the different types of filters? What is the need of filtering ideal response of filters and actual response of filters? What is sampling theorem? What is impulse response? Explain the advantages and disadvantages of FIR filters compared to IIR counterparts. What is CMRR? Explain briefly. What do you mean by half-duplex and full-duplex communication? Explain briefly. Which range of signals are used for terrestrial transmission? What is the need for modulation? Which type of modulation is used in TV transmission? Why we use vestigial side band (VSB-C3F) transmission for picture? When transmitting digital signals is it necessary to transmit some harmonics in addition to fundamental frequency? For asynchronous transmission, is it necessary to supply some synchronizing pulses additionally or to supply or to supply start and stop bit? BPFSK is more efficient than BFSK in presence of noise. Why? What is meant by pre-emphasis and de-emphasis? What do you mean by 3 dB cutoff frequency? Why is it 3 dB, not 1 dB?

2041

Does windows 10 include outlook?

3

Explain what is meant by polymorphism?

1022

How can I send a mail with a compressed file as an attachment?

1010

What things should be kept in mind while creating your own exceptions in java?

1118

Do you know what is recursion? Is it possible for a stored procedure to call itself or recursive stored procedure? How many levels of sp nesting is possible?

1001

Can impala do user-defined functions (udfs)?

37