Wednesday, 17 February 2016

COMPUTER 17FEB

Good Morning

Dear Candidates,

Purpose : To prepare for written exam of SBI PO/IBPS PO/CLERK/RRB PO/ASSISTANT.

Today, learn the following : 

COMPUTER TERMINOLOGY
01. Access: To store or retrieve data

02. Add-on: Circuits, systems, or hardware devices that can be attached to a computer to increase its memory or improve its performance

03. Application: A system, such as a payroll, that has been defined to be suitable for electronic data processing techniques

04. Archived file: A file that has been transferred to a lower level in the memory hierarchy, usually from magnetic disc to magnetic tape, may be as a result of operations of appropriate resource management

05. Array: A group of two or more logically related elements identified by a single name; generally stored in consecutive storage locations in main memory

06. Audit trail: A permanent record of every transaction taken by a computer system, indicating for example, when users log in and out, what transaction
they perform, when files are accessed and the type of access. Examination of this record provides a way of observing patterns of security violation and/or
serves as a deterrent to violations

07. Availability: The ratio of time a device is operating correctly to the total scheduled time for operating

08. Back office operations: Operation that does not involve direct interaction with customers

09. Back up: A resource that is, or can be used as a substitute when a primary resource fails or when a file has been corrupted

10. Bar code: A printed machine readable code that consists of parallel bars of varied width and spacing. The application most commonly observed is
the coding on food and goods that is read at the checkout and translated into a line of print on the bill showing product and cost

11. Batch processing: A method of organizing work for a computer system, designed to reduce overheads by grouping together similar jobs

12. Bit: Contraction of binary digit

13. Bug: An error or mistake in a programme

14. Byte: A group of consecutive bits forming a unit of storage in the computer and used to represent one alphanumeric character; a byte usually
consists of 8 bits but may contain more a fewer bits depending on the model of computer


15. Character: An alphabetic letter, a digit or a special symbol

16. Chip: A small section of a single crystal of semiconductor usually silicon, that forms the substrate upon which is fabricated a single semiconductor
device or all the individual devices comprising an integrated circuit

17. Configuration: The particular hardware elements and their interconnection in a computer system for a particular period of operation

18. Debug: To trace and correct errors in programming code or hardware malfunctions in a computer system

19. Downtime: The percentage of time that a computer system is not available for use

20. Dummy: An artificial instruction, address etc. used only to fulfill specification in a programme but not actually performing a function




All The Best.

ANIL AGGARWAL SIR

9811340788

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