COMPUTER SCIENCE KNOWLEDGE POINT

COMPUTER TERMINOLOGIES & ABBREVIATIONS 1. ALGOL : Algorithimic Language is basically a portable for scientific computations and was first introduced with ALGOL 58. 2. ARTIFACTS : They are distortions in an image that are produced by the image sensors of the optical system. 3. AMBER : It is often referred as orange,in computer it is referred to i ndicate a temporary or ongoing error. 4. BIT : It is basic unit of computers .It has two values 1 & 0 only. 5. BYTE : Combination of 8 Bits. 6. BAND WIDTH : The total maximum capacity of network or modem connection. The modem band width is generally measured in BPS . 7. BROADBAND: It is also referred as wideband transmission. Broadband refers to telecommunication that provide a variety or channels of data over a single communication medium. 8. CDN : Content Distribution Network (CDN) is also known as mirroring. It consists of multiple sites around the world taht all contain the same information . It is unnecessary because no...

Inventors related to computer  (1) Key board — Herman Hollerith, first keypunch device in 1930’s (2) Transistor — John Bardeen, Walter Brattain & William Shockley (1947 - 1948) (3) RAM — An Wang and Jay Forrester (1951) (4) Trackball — Tom Cranston and Fred Longstaff (1952) (5) Hard Disk — IBM , The IBM Model 350 Disk File (1956 ) (6) Integrated Circuit— Jack Kilby & Robert Noyce (1958) (7) Computer Mouse — Douglas Engelbart (1963) (8) Laser printer— Gary Stark weather at XEROX in 1969. (9) Floppy Disk— Alan Shugart & IBM( 1970) Source: Internet

- Computer Awareness Bits - 1) The code for a Web page is written using Hypertext Markup language 2) The first computers were programmed using Machine language 3) A filename is a unique name that you give to a file of information 4) This can be another word for program software 5) Any data or instruction entered into the memory of a computer is considered as storage 6) Which part of the computer displays the work done monitor 7) A series of instructions that tells a computer what to do and how to do it is called a program Hardware is the part of a computer that one can touch and feel . 9) The role of a computer sales representative generally is to determine a buyer’s needs and match it to the correct hardware and software. 10) Supercomputers refers to the fastest, biggest and most expensive computers 11) Executing is the process of carrying out commands 12) The rectangular area of the screen that displays a program, data, and or information is a window 13) The process of a computer...

  COMPUTER RELATED FULL FORMS  * Wi Fi = Wireless Fidelity * XML = Extensible Markup Language * ARPANET = Advanced Research Projects Agency Network * ASCII = American Standard Code For Information Interchange * AVI = Audio Video Interleave * RTS = Real Time Streaming * BHTML = Broadcast Hyper Text Markup Language * SIS = Symbian OS Installer File * AMR = Adaptive Multi-Rate Codec * JAD = Java Application Descriptor * JAR = Java Archive * JAD = Java Application Descriptor * 3GPP = 3rd Generation Partnership Project * 3GP = 3rd Generation Project * MP3 = MPEG player lll * MP4 = MPEG-4 video file * AAC = Advanced Audio Coding * GIF = Graphic Interchangeable Format * JPEG = Joint Photographic Expert Group * BMP = Bitmap * SWF = Shock Wave Flash * WMV = Windows Media Video * WMA = Windows Media Audio * WAV = Waveform Audio * PNG = Portable Network Graphics * DOC = Document (Microsoft Corporation) * PDF = Portable Document Format * M3G = Mobile 3D Graphics * M4A = MPEG-4 Audio F...

Important Abbreviations in Information Technology J2EE—Java 2 Enterprise Edition J2ME—Java 2 Micro Edition J2SE—Java 2 Standard Edition JAXB—Java Architecture for XML Binding JAX-RPC—Java XML for Remote Procedure Calls JAXP—Java API for XML Processing JBOD—Just a Bunch of Disks JCE— Java Cryptography Extension JCL—Job Control Language JCP—Java Community Process JDBC—Java Database Connectivity JDK—Java Development Kit JES—Job Entry Subsystem JDS—Java Desktop System JFC—Java Foundation Classes JFET—Junction Field-Effect Transistor JFS—IBM Journaling File System JINI—Jini Is Not Initials JIT—Just-In-Time JMX—Java Management Extensions JMS—Java Message Service JNDI—Java Naming and Directory Interface JNI—Java Native Interface JNZ—Jump non-zero JPEG—Joint Photographic Experts Group JRE—Java Runtime Environment JS—JavaScript JSON—JavaScript Object Notation JSP—Jackson Structured Programming JSP—JavaServer Pages JTAG—Joint Test Action Group JUG—Java Users Group JVM—Java Virtual  Flore...