Explanation

• This is the standard SQL syntax to drop a column from a table.
• The ALTER TABLE statement is used to modify the structure of a table, and the DROP COLUMN clause is used to delete a column.
• An example: ALTER TABLE MyTable DROP COLUMN MyColumn;

Explanation

• A microcontroller at least consists of a processor as its CPU with RAM, ROM, I/O ports and timers.
• It may contain some additional peripherals like ADC, PWM, etc.

Explanation

• This is because 101.10111 is a decimal number in scientific notation, whereas the other options (101, 1011, and 0) are all binary numbers.
• In binary, the only digits used are 0 and 1, and there is no decimal point or scientific notation.

Explanation

• Sound card also known as an Audio Card is an internal expansion card facilitates the input and output of audio signals to and from computer.

• A sound card is an internal expansion card that provides input and output of audio signals to and from a computer under the control of computer programs.

Explanation

Each node in star topology is connected to a central minicomputer which controls the network.

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Explanation

 RAM is located in Motherboard.

Motherboard allocates power and allows communication to and between the CPU, RAM, and all other computer hardware components.

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Explanation

Explanation

Explanation

The Huffman encoding scheme takes advantage of the disparity between frequencies and uses less storage for the frequently occurring characters at the expense of having to use more storage for each of the more rare characters.

Explanation

Quotation marks " " in web searching force the search engine to find that exact phrase in the same word order.

It helps to narrow results and improve accuracy, especially for names, quotes, or specific terms.