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Computer Notes For Bank Exams

Computer Notes For Bank Exams

  • A collection of 8 bits is called Byte. A bit is the smallest unit of storage.
  • The first computer architecture was introduced by John Von Neumann.
  • A website containing periodic posts is called Blog.
  • Starting up on operating system is called Booting.
  • Restarting a computer that is already on, is referred to as Warm Booting.
  • A program used to browse the web is called Browser.
  • The code for a Web page is written using Hypertext Markup language (HTML).
  • A series of instructions that tells a computer what to do and how to do it is called a Program.
  • The device which is used with a computer to display or store data is called Peripherals.
  • The mechanical, magnetic, electronic and electrical components that comprises a computer system such as the Central Processing Unit (CPU), monitor, keyboard, etc. is known as Hardware.
  • A set of instructions that tells the computer about the tasks to be performed and how these tasks are to performed, is known as Software.
  • Executing is the process of carrying out commands.
  • The rectangular area of the screen that displays a program, data, and or information is a Window.
  • Downloading means to receive data to a local system from a remote system, or to initiate such a data transfer.
  • Uploading refers to the sending of data from a local system to a remote system such as a server or another client with the intent that the remote system should store a copy of the data being transferred.
  • An email attachment is a computer file sent along with an email message. One or more files can be attached to any email message, and be sent along with it to the recipient.
  • CC (Carbon Copy) in e – mail indicates those who are to receive a copy of a message addressed primarily to another. The list of CCed recipients is visible to all other recipients of the message.
  • An additional BCC (Blind Carbon Copy) field is available for hidden notification; recipients listed in the BCC field receive a copy of the message, but are not shown on any other recipient's copy (including other BCC recipients).
  • Disk drive is the part of the computer helps to store information.
  • Arithmetic operations include addition, subtraction, multiplication, and division.
  • The most important or powerful computer in a typical network is Network Server.
  • The primary purpose of software is to turn data into information.
  • A collection of related files is called Record.
  • Storage that retains its data after the power is turned off is referred to as Non-Volatile Storage. ROM is an example of this type of storage.
  • Virtual memory is memory on the hard disk that the CPU uses as an extended RAM.
  • Computers use the Binary Number System to store data and perform calculations.
  • When sending an e-mail, the Subject line describe the contents of the message.
  • The Operating System tells the computer how to use its components.
  • During the cutting and pasting of an item, the part which is cut, is temporarily stored in Clipboard.
  • The blinking symbol on the computer screen is called the Cursor.
  • Magnetic tape is not practical for applications where data must be quickly recalled because tape is a sequential access medium.
  • Information travels between components on the motherboard through Buses.
  • Website Address is a unique name that identifies a specific web site on the web.
  • Alt, Ctrl & Shift keys in a keyboard are known as: Modifier keys. 
  • Caps lock, Num lock & Scroll lock in a keyboard are known as: Toggle keys.
  • F1 to F12 keys in a keyboard are known as: Function keys.
  • A person who uses his or her expertise to gain access to other people’s computers to get information illegally or do damage is a Hacker.
  • Computer Virus is a malware program that, when executed, replicates by inserting copies of itself (possibly modified) into other computer programs, data files, or the boot sector of the hard drive; when this replication succeeds, the affected areas are then said to be "infected".
  • Antivirus Software is used to scan the hard disk to remove the virus from them.
  • The assembly language program is translated into machine code by a separate program known as an Assembler.
  • Backup, or the process of backing up, refers to the copying and archiving of computer data so it may be used to restore the original after a data loss event. It contains a copy of every program data and system file on a computer.

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