Dear Friends, Here I am presenting you some quick notes on Computer which hopefully will be helpful in the upcoming SBI Clerk Exam.
• 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. • A 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. • A 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. • A 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.
Please take time to share this post also on you time lime as well.
I always welcome updates, Suggestions and Modifications. Keep following me for regular updates.
Search My Name as " Gandhi Raveendra Reddy " in Facebook and Google , Add me as your friend and Keep Following me for Regular Updates on Bank Job Preparation.