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Worksheet and workbook specifications and limits Feature Maximum limit Open workbooks Limited by available memory and system resources Worksheet size 1,048,576 rows by 16,384 columns Column width 255 characters Row height 409 points ...

Operating system (OS) An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs. The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function. An operating system (OS) is software that manages computer hardware and software resources and provides common services for computer programs . The operating system is an essential component of the system software in a computer system. Application programs usually require an operating system to function. Time-sharing operating systems schedule tasks for efficient use of the system and may also include accounting software for cost allocation of processor time, mass storage, printing, and other resources. For hardware functions such as input and output and memory allocation , the operating system acts as an intermediary between programs and the c...