What do you know about DIR command?
DIR command is used to display files and subdirectories under the current directory.
What is Project Management?
Handles and coordinates large projects also used to identify critical activities and tasks that could delay or jeopardise…
What is fast speed in modern computers?
Modern computers use more than one processor to increase the speed of the system. Processors cooperate among themselves …
What is High Reliability in modern computers?
Modern computers use multiple units that does the same function. These multiple functional units may work simultaneously…
What are small size modern computers?
Great development that took place in the field of semiconductor technology resulted in the reduction of size of modern co…
What is Multitasking OS?
A multitasking OS allow a user to perform more than one computer task such as the operation of an application program at …
What is Time Sharing OS?
In this type of OS , multiple users can use the same computer. User programs are loaded into computer memory and CPU is s…
What is Compact Disk?
It is made from a 1.2 mm thick disk of pure poly carbonate plastic. Data is recorded in its surface on one side in the fo…
What is Magnetic Tape?
It is sequential storage medium. It include a thin magnetizable coating on a long and narrow strip involving plastic. A ta…
What is Hard Disk?
A Hard Disk uses round flat disks called platters coated on both sides which has a special media material designed to sto…
What is Floppy Disk?
A Floppy disk is a data storage medium that consists of a disk of thin, flexible magnetic storage medium encased within a…
What is a Program?
A Program is a collection of instructions that the computer follows to try and do a specific job. As an average user of op…
What is Shell?
The shell is a program that executes the codes types by user at terminal. It is also known as command interpreter. It act…
What is Kernel?
The centre of UNIX operating system is the kernel. The kernel controls usage of the computer hardware and copes with the …
What are Device Files?
They're special files associated with numerous devices. They are collectively kept beneath the 'dev' directory…
What are Directory Files?
A Directory file stores information about a directory, its relationship with other directories, what files and subfiles a…
What are Ordinary Files?
These are the files that store data, such as text information and programs.
What is Interpreter?
Interpreter is a software that translate one origin instruction into object code and the computer immediately execute tha…
What is BIOS?
BIOS is Basic Input Output System . This is a collection of programs that is stored in the ROM in personal computers. The…
Computing and Informatics
What is Object Program?
Object Program Definition Object Programs are programs in machine language form. Normally users write computer prog…
Computing and Informatics
What is e-mail?
E-mail or electronic mail Electronic mail or e-mail is the service in computer network for sending the text docu…
Computing and Informatics
What is Message?
Message Definition They are information encapsulated in a frame or packet and sent from one entity to other. Receiv…
Computing and Informatics
What is Entity?
Entity OSI model divides a pc network into seven distinct levels. The active events in each layer will often be ca…
Computing and Informatics
What is meant by the Term System? What are the characteristics and categories of information system?
A Term system is an orderly grouping regarding independent components linked together based on a plan to achieve a ce…
Computing and Informatics
What is Function Overriding?
Function overriding is a technique used to override the particular inherited function. It uses polymorphism. To overr…
Computing and Informatics
What is Function Overloading?
Function Overloading In function overloading , the same function label can be used for assorted implementations. Co…
Computing and Informatics
What is Abstraction?
Abstraction is the representation of all of the essential features of an item, its possible states and behaviors. The …
Computing and Informatics
What is Encapsulation?
Encapsulation is the practice of including in a object everything it requires hidden from other objects from the syste…
Computing and Informatics
What is meant by a protocol in computer communication?
Protocol Meaning A protocol defines the principles for sending blocks of knowledge (each referred to as a Protocol D…
Computing and Informatics
How is Assembly Language different from Machine Language ?
Assembly Language use symbols rather than binary codes. It need excellent knowledge of hardware to produce assembly l…
Computing and Informatics
How is an interpreter different from a compiler?
How interpreter different from a compiler Interpreter translates statement by statement into equipment code and execu…
Computing and Informatics
What is a Database? Describe the advantages of a centralized database over separate files for specific applications.
Database is described in following points: 1. It takes less space for storing all data. If data for each applica…
Computing and Informatics
What is Transaction Processing in industry ? Describe the role of computer network in keeping track of transaction.
Transaction process systems are systems with massive data bases and many synchronous users that are executing d…
Computing and Informatics
What are Control Lines?
Control lines Control Lines in computer are to receive signals that management varied operations chip . Basic …
Computing and Informatics
Role of Address lines in the architecture of the RAM of a computer?
Address lines are lines through that address of memory location (from wherever browse or write operator is to be per…
Computing and Informatics
What is a Line Printer? How can it vary from a Dot Matrix printer?
A printer may be a manifestation of speedy impact printer during which a line of kind is written right away. Print veloc…
Computing and Informatics
What is Optical Mark Reader (OMR) ?
Optical Mark Reader Meaning OMR may be a special scanning device that may browse fastidiously placed pencil mark…
Computing and Informatics
What is Magnetic Ink Character Reader (MICR) ?
Magnetic Ink Character Reader Meaning MICR could be a character recognition technology adopted principally by th…
Computing and Informatics
What is data hiding in a program?
Data Hiding Data hiding could be a key feature of object familiarized programming. It implies that data is hid…
Computing and Informatics
What are the basic characteristics of a uniprocessor based, multitasking operating system ?
Uniprocessor primarily based multitasking operating system primarily works on sharing basis. Memory of such computer…
Computing and Informatics
What is Star Topology ?
Star Topology Definition In star all computers area unit connected to a central computer. All communications betw…
Computing and Informatics
What is Ring Topology ?
Ring Topology Definition Here information is transmitted from one computer to a different through a hoop struct…
Computing and Informatics
What is Bus Topology ?
Bus Topology In Bus Topology, all communication is finished through a typical medium. it should be a coax cable…
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