What is computer? (कंप्यूटर
क्या है?)
A
computer is an electronic device that manipulates information, or data. It has
the ability to store, Receive, and process data. You may already know that you
can use a computer to type documents, send email, play games, and browse the
Web. You can also use it to edit or create spreadsheets, presentations, and
even videos.
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इनपुट
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प्रोसेस
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आउटपुट
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इनपुट-
A computer accept
data and instruction (Input)
Process- Some
calculation and logical operation are performed on Data by executing the
program this activity are also known as processing
Output- After the processing
the data the final result of processing is called is out put
Computer System Concept (कंप्यूटर की
अवधारणा)
एक या एक से अधिक उद्देश्यों को
प्राप्त करने के लिए कार्यरत इकाइयों के समूह को एक “System” कहते हैं| जैसे – Hospital एक System है जिसकी इकाइयां (units) Doctor, Nurse,
Medical, Treatment, Operation, Peasant आदि हैं | इसी प्रकार Computer भी एक System के रूप में कार्य करता है जिसके निम्नलिखित भाग हैं|
- Hardware
- Software
- User
Hardware:- Computer के वे भाग जिन्हें हम छु सकते है देख सकते है Hardware कहलाते हैं| जैसे-Keyboard, Mouse, Printer,
Scanner, Monitor, C.P.U. etc.
computer hardware is
the collection of physical components that constitute a computer system. Computer hardware is the physical parts or components of a
computer, such as monitor, keyboard, computer data storage, graphic card, sound card, motherboard,
Software:- Computer के वे भाग जिन्हें हम छु नहीं सकते सिर्फ देख सकते हैं सॉफ्टवेयर (Software) कहलाते हैं| जैसे- MS Word, MS Excel, MS
PowerPoint, Photoshop, PageMaker etc.
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