1)computer: computer is an electronic machine that
1) takes in data and instructions(input)
2) works with the data(processing)
3)puts out information(output).
2)Hardware: The physical components which we can see constitutes hardware.
examples:keyboard, mouse, cpu,speakers, webcam,monitor...etc.
3)Software: Software is a set of programs which is used to perform a particular task.
4)Operating System: Operating system is an interface between user and the system.
examples: windows vista,windows 98, windows NT, windows 2000, linux, unix.....etc.
5)RAM: RAM is an acronym of random access memory.The speed of the system depends upon the RAM.
6)ROM: ROM is an acronym of read only memory.
examples: CD, Floppy, pendrive....etc.
7)Compiler: Compiler is a software which is used to translate the high level language to machine understandable language.The compiler translates the whole program at a time.
examples: turbo C, Borland C++ ...etc.
8)Interpreter: Interpreter is a software which is used to translate ther high level language to machine understandable language.The Interpreter translates only one line at a time.
examples: Java software
9)CPU: CPU is an acronym of central processing unit
10)Internet: The network of networks is considered as Internet.
11)Scanner: Scanner is an input device which is used to read data into computer.
12)Printer: Printer is an output device which is used to print data on the paper.
13)Monitor: Monitor is an output device which displays the output on the screen.
14)Processor: The Processor is considered as the brain of the computer in the way that it organises and carries out instructions that come from either the user or the software.
15)UPS: UPS is an acronym of uninterrupted power supply.
16)Protocol: Protocol is a set of rules to be followed in order to communicate with other computer through network.
17) Polymorphism: The word polymorphism comes from Greek and means having several different forms. This is one of the essential concepts of object-oriented programming. Where inheritance is related to classes and (their hierarchy), polymorphism is related to object methods.
In general there are three types of polymorphism:
- Overloading polymorphism
- Parametric polymorphism (also called template polymorphism)
- Inclusion polymorphism (also called redefinition or overriding)
18)OOPs concepts:
1)object
2)class
3)encapsulation
4)abstraction
5)polymorphism
6)inheritance
7)message passing
8)dynamic binding19)Inheritance: It is the process by which one object
acquires the properties of another object.SOME SHORT FORMS AND THEIR FULL FORMS:
1)CD: compact disc
2)DVD: Digital versatile disc (or) Digital video disc
3)CPU: Central processing unit
4)IP: Internet protocol
5)TCP: Transmission control protocol
6) FTP: File transfer protocol
7)PC: personal computer
8)DTP: Data transfer protocol
9)IE: Internet Explorer
10)GUI: Graphical user interface
11)LCD: Liquid crystal display
12)DOS: Disc operating system
13)WWW: World wide web
14)UPS: Uninterrupted power supply
15)ASCII: American standard code for information interchange
16)UNIX: Unified network information exchange
17)HTTP:Hyper text transfer protocol
18)HTML: Hyper text transfer protocol
19)GIF: Graphics interchange format
20)GB: Giga byte
21)ALU: Arithmetic logic unit
22)CRT: Cathode ray tube
23)DBMS: Database management system
24)DXF: Data exchange format
25)ISP: Internet service provider
26)KB: Kilo byte
27)LAN: Local area network
28)WAN: Wide area network
29)JPEG: Joint photographic experts group format
30)MB: Mega byte
31)mb: mega bit
32)MBps: Mega byte per second
33)mbps: mega bit per second
34)NIC: Network interface card
35)MPEG: Moving pictures experts group
36)NOS: Network operating system
37)NC: Network computer
38)OOPS: Object-oriented programming language
39)OODB: Object-oriented database
40)SQL: Structured query language
41)TB: Tera byte
42) TIFF: Tagged image file format
43)USB: Universal serial bus
44)URL: uniform resource locator
45)VGA: Video graphics array
46)POP: post office protocol
47)PPP: point to point protocol
48)ORACLE: Oak realistic analystic compute language engine
49)PSQL: Procedure structured query language
50)bps: bits per second
51)BIOS: Basic input output system
52)DRAM:Dynamic random access memory
53)EEPROM: Electrically erasable programmable read-only memory
54)JDK:Java developement kit
55)JRE: Java runtime environment
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