Introduction of Computer
A computer is an electronic device, operating under the control of instructions stored in its own memory that can accept data input, process the data according to specified rules, produce information output, and store the information for future use
.
Advantage and Dis-Advantage of Computer
Capabilities of a computer system are the qualities of the computer that put it in a positive light and make the user experience more efficient.
History of Computer
The history of computing is longer than the history of computing hardware and modern computing technology and includes the history of methods intended for pen and paper or for chalk
Generations of Computer
Nowadays, generation includes both hardware and software, which together make up an entire computer system. There are five computer generations known till date.
Fundamental Uses of Computers
Computers are used in so many fields in our daily life. From Engineers to Doctors, Students, Teachers, Government Organization
Hardware
Hardware represents the physical and which have mass or shape of a computer components, The components that can be seen and touched.
Software
Instructions that tell a computer what to do. Software comprises the entire set of programs, procedures, and routines associated with the operation of a computer system.
Components of Computer
Components of a computer system are the primary elements which make the functioning of an electronic device smooth and faster. There are basic components of computer system
Type of Software
System software refers to set of programs that facilitate the optional use of the hardware systems by coordinating
them. Software are mainly divided into two types but Categories of Software are four:
Relationship Between Hardware and Software
For a computer to produce useful output its hardware and software must work together. Nothing useful can be done with the hardware on its own, and software cannot be utilized without supporting hardware
Type of Computer
We will categorize computer in two type depending on data handling capabilities and size. Data handling capabilities, the computer is of three types:
Computer viruses and security
A computer virus, much like a flu virus, is designed to spread from host to host and has the ability to replicate itself. Similarly, in the same way that flu viruses cannot reproduce without a host cell.
Basic computer maintenance
If your computer performance seems to have become sluggish, or shuts down unexpectedly, it may be time to perform some basic computer maintenance.
Working with window
Whenever you open a program, file, or folder, it appears on your screen in a box or frame called a window (that’s where the Windows operating system gets its name).
Window Sortcut Key
Keyboard shortcuts are keys or combinations of keys that provide an alternative way to do something that you’d typically do with a mouse.
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