Questions

The `fork()’ used to create a new process from an existing process. The new process is called the child process, and the existing process is called the parent. We can tell which is which by checking the return value from `fork()’. The parent gets the child’s pid returned to him, but the child gets 0 returned to him.

In purifying drinking water alum is used for coagulation of mud particles.

A worksheet or sheet is a collection of cells in a file created with an electronic spreadsheet program such as Microsoft Excel or Google Sheets where we can keep and save data.

Here in a worksheet, we can select a single row or column or multiple rows or columns or we can select the entire worksheet. We can create multiple worksheets in a workbook.

The provisional geographical area of india as on 31st March 1982, given by survey of india, is 3287,263 sq km. which includes 78,111 sq km under occupation by pakistan, 5180 sqkm given by pakistan to china and 37,555 sq km under occupation of china.