Tag: Physical level

Data Abstraction and Independence:

In DBMS, Data abstraction means hiding data at different levels to achieve data independence. Data abstraction levels are placed between users and the database to …

Tag: Physical level

Data Abstraction and Independence:

What is Boolean algebra? Describe AND and NAND gates with the logic symbol, truth table, and Venn diagram.

what is a hard copy output device? different types of hard copy output devices.

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Explain the application area of computers in detail.

What is the primary advantage of circuit switching?

Important information about computer key

SQL(Structured Query Language) complete handwriting notes

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Excel shortcuts keys