Explanation

Ctrl + Page Down and Ctrl + Page Up move the cursor up and down one page at a time.

Explanation

 The system keeps track of files and directories using inodes.

An inode is a representation of a file that stores all the data belonging to that file, such as owner, type, size, access permissions, access times and the file's layout on disk.

Explanation

Explanation

com

Explanation

Instructions that helps user in teaching and learning process

Explanation

If the database operations do not update the database but only retrieve data, this type of transaction is called a read-only transaction.

If the database were in an inconsistent state before a transaction, it would remain in the inconsistent state after the transaction.

Explanation

Ctrl + Z  used for = Undo

Ctrl + X  used for = Cut

Ctrl + Y   used for  = Redo

Explanation

CPU Menas central processing unit,

CPU is a principal part of any digital computer system, generally composed of the main memory, control unit, and arithmetic-logic unit.

Explanation

the integrated circuit is a set of electronic circuits on one small flat piece of semiconductor material, usually silicon.

Explanation

Control penal menage account of user