Questions

Covalent bonds hold atoms together because the attraction between the positively charged nuclei and the negatively charged shared electrons is greater than the repulsions between the nuclei themselves.

Total Output is a synonym for Aggregate supply or Initial production.

A UPS (Uninterruptible Power Supply) is a device that provides battery backup when the electrical power fails or drops to an unacceptable voltage level.

Small UPS systems provide power for a few minutes; enough to power down the computer in an orderly manner, while larger systems have enough battery for several hours.

No, since the structure contains a char pointer while writing the structure to the disk using fwrite() only the value stored in the pointer n would get written. When this structure is read back the address would be read back but it is quite unlikely that the desired string would be present at this address in memory

It is a phenomenon in virtual memory schemes when the processor spends most of its time swapping pages, rather than executing instructions. This is due to an inordinate number of page faults.

It is a marketing strategy in which the sales force is compensated not only for sales they personally generate, but also for the sales of the other salespeople that they recruit. This recruited sales force is reffered to as the participant's 'downline' , and can provide multiple levels of compensation. Other terms used for MLM include pyramid selling, network marketing and refferal marketing. Most commonly, the salespeople are expected to sell products directly to consumers by means of relationship referrals and word-of-mouth marketing.

If air contained all oxygen and no nitrogen, everything would have burnt off