Computer terms and defintions U

• What is Utility Definition designed to carry out a specific operation, usually to modify the system environment or perform housekeeping tasks compare meaning
• What is Umb Explain Upper Memory Block. Reserved system memory in the range 640 kilobytes to 1 megabyte why meaning

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What it means in computer science? Term related to computers.

Definition UMB definition utility explain. explain.

What is Utility definition UMB explain help.