BEST COMPUTER KNOWLEDGE FOR CCC EXAM

  BEST COMPUTER KNOWLEDGE FOR CCC EXAM

* All computers can execute machine language programs
* Programs stored in ROM can’t be erased
* IP address can change even if the domain name remains same
* With the help of Control + Del a letter can be erased in a word
* Disk can keep maximum data
* FORTRAN is a scientific computer language
* Computer language COBOL is useful for commercial work
* COBOL is a high standard language like English
* In computer the length of a word can be measured by byte
* Byte is the unit of storage medium
* ROM is not a computer language
* Oracle is a database software
* Sequential circuit is full aid
* Processor is must for computer
* ROM keeps permanent memory
* Screen display is called by windows in lotus
* Pascal is a computer language
* Expanded form of IBM is International business machine
* IC chips are made of silicon
* India’s Silicon Valley situated at Bangalore
* RAM and ROM are the storage devices of computer* Programs stored in ROM can’t be erased* IP address can change even if the domain name remains same* With the help of Control + Del a letter can be erased in a word* Disk can keep maximum data* FORTRAN is a scientific computer language* Computer language COBOL is useful for commercial work* COBOL is a high standard language like English* In computer the length of a word can be measured by byte* Byte is the unit of storage medium* ROM is not a computer language* Oracle is a database software* Sequential circuit is full aid* Processor is must for computer* ROM keeps permanent memory* Screen display is called by windows in lotus* Pascal is a computer language* Expanded form of IBM is International business machine* IC chips are made of silicon* India’s Silicon Valley situated at Bangalore* RAM and ROM are the storage devices of computer* Operating system controls the various computer parts and allows the user to interact with the computer* Each cell in a Microsoft Office Excel document is referred to by its cell address, which is the cell’s row and column labels* Download is the process of copying software programs from secondary storage media to the hard disk* A file is a unique name that you give to a file of information* For seeing the output, you use monitor* Control key is used in combination with another key to perform a specific task* Scanner will translate images of text, drawings and photos into digital form* CPU is the brain of the computer* Something which has easily understood instructions is said to be user friendly* Information on a computer is stored as digital data* For creating a document, you use new command at file menu* The programs and data kept in main memory while the processor is using them* Ctrl + A command is used to select the whole document* A Website address is a unique name that identifies a specific website on the web* Answer sheets in bank PO’s/Clerk’s examinations are checked by using Optical Mark Reader* Assembler is language translation software* Manual data can be put into computer by scanner* Image can be sent over telephone lines by using scanner* Basic can be used for scientific and commercial purpose* Cache is not a secondary storage device, its part of primary storage* Disk can be used to store sequential files and random files* The most powerful type of computer amongst the following is supercomputer* The name a user assigns to a document is called a filename* A processor is an electronic device that processes data, converting it into information* Control words are words that a programming language has set aside for its own use* Monitor and printer are the two types of output devices* To access properties of an object, the mouse technique to use is right-clicking* An operating system is a program that makes the computer easier to use* Connections to the internet using a phone line and a modem are called dial-up connections* To access a mainframe or supercomputer, users often use a terminal* A flaw in a program that causes it to produce incorrect or inappropriate results is called a bug* A web site address is a unique name that identifies a specific web site on the web* Every component of your computer is either hardware or software* To make the number pad act as directional arrows, you press the num lock key* When creating a word-processed document, formatting text involves the user changing how words on the page appear, both on the screen and in printed form* The ALU performs simple mathematics for the CPU* A computer program is a set of keywords, symbols, and a system of rules for constructing statements by which humans can communicate the instructions to be executed by a computer* The another word for program is software* The name of the computer’s brain is CPU* A computer is a device that electronically processes data, converting it to information* Laptops are computers that can be carried around easily* The secret code that restricts entry to some programs is password* The basic goal of computer process is to convert data into information* The name that the user gives to a document is referred to as file name* The person who writes and tests computer programs is called a programmer* The information you put into the computer is called data* The output devices make it possible to view or print data* A chat is a typed conversation that takes place on a computer* Hardware includes the computer and all the devices connected to it that are used to input and output data* The most common method of entering text and numerical data into a computer system is through the use of a keyboard* Mouse, keyboard, plotter are the group consist of only input devices* A set of instructions telling the computer what to do is called program* Data going into the computer is called input* If you receive an e-mail from someone you don’t know, then delete it without opening it* Two options does a binary choice offer* A collection of programs that controls how you computer system runs and processes information is called operating system* Rows and columns are data organized in a spreadsheet* When cutting and pasting, the item cut is temporarily stored in clipboard* When you are working on a document on a PC, the document is temporarily stored in flash memory* One megabyte equals approximately 1 million bytes* A cluster represents a group of sectors* Digital signals used in ISDN have discrete values* Assembler is language translation software* Manual data can be put into computer by scanner* Bandwidth means channel capacity amount of data following via cables and measure of speed* Chip can keep maximum data* Debugging is the process of finding errors in software code* Time Bomb are viruses that are triggered by the passage of time or on a certain data* Linux is an open source operating system* Boot sector viruses are often transmitted by a floppy disk left in the floppy drive* Operating system controls the way in which the computer system functions and provides a medium by which users can interact with the computer* Servers are computers that provide resources to other computers connected to a network* Field names describe what a data field is* You must install router on a network if you want to share a broadband internet connection* Telephone broadcast is the example of simplex transmission* Optical, Mechanical are the kinds of mouse* Control panel is used for increasing and decreasing the speed of the cursor of mouse* The capacity of modern main frame digital computer is 10(to the power of -12* With the help of my computer we can know about the usage and availability of space in computer* We use both MS-Word and page maker for making resume* Earliest computers that would work with FORTRAN was second generation* Back Ups in database are maintained for to restore the lost data* IDEA is a encryption technique* DBRM takes care of storage of data in a database* The job of DBMS is to decrease redundancy* Digital signatures use encryption for authenticating* OS acts as intermediary agency between user and hardware* First generation computers could do batch processing* The analytic engine was created by Charles Babbage* Voicemail of GSM service provider has the personal security code for its subscribers* Senior manager decided about the division of work with respect to IT security* Encrypting file system of window XP professional operating system protects the data of a user, even if the computer is shared between users* The .mpeg is the format of a movie file* Controlling is NOT required for high level language program before it is executed* A plotter is output device* 80286 is a hardware part of microprocessor* Top-bottom approach can not be the measure of network traffic* A switching mode power supply is used for converting raw input power to stabilize DC power* Spooler can manage the whole printing process* Validity routines control procedures can be used to ensure completeness of data* Computers send and receive data in the form of digital signals* Icons are graphical objects used to represent commonly used application* UNIX is not owned and licensed by a company, It is open source operating system.* Dial-up Service is the slowest internet connection service, which is now days replaced in India by Broadband Services with speed over 100 Gbps* Every component of your computer is either hardware or software* BSNL is largest Broadband service provider in India with over 60% market share.* Checking that a pin code number is valid before it is entered into the system is an example of data validation* A compiler translates higher level programs into a machine language program, which is called object code* The ability to find an individual item in a file immediately direct access* Computers connected to a LAN can share information and/or share peripheral equipment* The two major categories of software include system and application software* Windows 95, Windows 98 and Windows NT are known as operating systems* To take information from one source and bring it to your computer is referred to as download* Each box in a spread sheet is called a cell* Two or more computers connected to each other for sharing information form a network* A computer checks the database of user names and passwords for a match before granting access.* Spam is the other name for unsolicited e-mail* A goal of normalization is to minimize the number of redundancy* Programs from the same developer, sold, bundled, together, that are provide better integration and share common features, tool box and menus are known as software suits* A data ware house is one that organizes important subject areas* URL term identifies a specific computer on the web and the main page of the entire site* A proxy server is used to process client request for web pages* When data changes in multiple list and list are not updated, this causes data inconsistency* Granting an outside organization access to internet web pages is often implemented using a extranet* The code that relational database management systems use to perform their database task is refer to as SQL* URL stands for Uniform resource locator* A data base management system is a software system used to create, maintain and provide controlled access to a database* The two broad categories of software are system and application* The metal or plastic case that holds all the physical parts of the computer is known as system unit* Data integrity means that the data contained in the database is accurate and reliable* A local area network is a private corporate network used exclusively by company categories* Eight bits equal to one byte* A byte can hold one character data* A characteristic of a file server is manages files operations and is shared on a network* The development process of computer started in 1617* The role of Blaze Pascal in the development of computer is addition and subtraction of numbers* Testing is the process of finding errors in software code* Two popular testing type are Black box and white box testing.* In Excel, charts are created using chart wizard option* Microcomputer hardware consists of three basic categories of physical equipment system unit, input/output, memory* A tool bar contains buttons and menus that provide quick access to commonly used commands* For creating a document, you use new command at file menu* Input device is equipment used to capture information and commands* A programming language contains specific rules and words that express the logical steps of an algorithm* One advantage of dial-up internet access is it utilizes existing telephone security* A compute checks the database of user name and passwords for a match before granting access* Computers that are portable and convenient for users who travel are known as laptops* Spam is the term for unsolicited e-mail* Utility software type of program controls the various computer parts and allows the user to interact with the computer* Each cell in a Microsoft office excel document is referred to by its cell address, which is the cell’s row and column labels* Eight digit binary number is called a byte* Office LANs that are spread geographically apart on a large scale can be connected using a corporate WAN* Storage is the process of copying software programs from secondary storage media to the hard disk* The code for a web page is written using Hyper Text Markup Language* Small application programs that run on a Web page and may ensure a form is completed properly or provide animation are known as flash* In a relational database, table is a data structure that organizes the information about a single topic into rows and columns* The first computers were programmed using assembly language* When the pointer is positioned on a hyperlink it is shaped like a hand* Booting process checks to ensure the components of the computer are operating and connected properly* Checking the existing files saved on the disk the user determine what programs are available on a computer* Special effect used to introduce slides in a presentation are called animation* DoS (Deniel of Service) and TROGEN Horse are one of Cyber attack type.* All computers can execute machine language programs* Programs stored in ROM can’t be erased* IP address can change even if the domain name remains same* With the help of Control + Del a letter can be erased in a word* Disk can keep maximum data* FORTRAN is a scientific computer language* Computer language COBOL is useful for commercial work* COBOL is a high standard language like English* In computer the length of a word can be measured by byte* Byte is the unit of storage medium* ROM is not a computer language* Oracle is a database software* Sequential circuit is full aid* Processor is must for computer* ROM keeps permanent memory* Screen display is called by windows in lotus* Pascal is a computer language* Expanded form of IBM is International business machine* IC chips are made of silicon* India’s Silicon Valley situated at Bangalore* RAM and ROM are the storage devices of computer* Operating system controls the various computer parts and allows the user to interact with the computer* Each cell in a Microsoft Office Excel document is referred to by its cell address, which is the cell’s row and column labels* Download is the process of copying software programs from secondary storage media to the hard disk* A file is a unique name that you give to a file of information* For seeing the output, you use monitor* Control key is used in combination with another key to perform a specific task* Scanner will translate images of text, drawings and photos into digital form* CPU is the brain of the computer* Something which has easily understood instructions is said to be user friendly* Information on a computer is stored as digital data* For creating a document, you use new command at file menu* The programs and data kept in main memory while the processor is using them* Ctrl + A command is used to select the whole document* A Website address is a unique name that identifies a specific website on the web* Answer sheets in bank PO’s/Clerk’s examinations are checked by using Optical Mark Reader* Assembler is language translation software* Manual data can be put into computer by scanner* Image can be sent over telephone lines by using scanner* Basic can be used for scientific and commercial purpose Less expensive than leased line networks is not a characteristic of virtual private networks (PVN* Program policy framework provides strategic direction to an organization* Cross bar switches have common control* Row-level security is the most basic part for database security* Voice recognition software can not be used for converting text into voice* The user account can only be created by the network administrator* IBM-700 belongs to second generation* Allocating adequate bandwidth would help her in speeding up the data transfer over net* BCD means binary coded decimal* Extended system configuration data is same as BIOS* Digitizer is an input device* Caramel is the latest platform of Intel Centrio microprocessor* RISC is known as storage device* NORTON is an anti-virus* The system file of an operating system is COM* ATMs of bank have real currency* A program that converts high level language to machine language is assembler* ‘.txt’ files can be made in notepad, MS word, DOS editor* .Zip is a compressed file* MP3 technology compresses a sound sequence to one-twelfth of its original size* At a time only one operating system can be at work on a computer* If multiple programs can be executed at the same time, it is distributed operating system* If the operating system provides quick attention, it is real time operating system* Distributed operating system uses network facility* FORMAT command in MS-DOS is used for recreating disk information* COPY command in MS-DOS is used to copy one or more files in disk drive to another, copy from one directory to another directory* REN command is Internal command* Tom Burners-Li propounded the concept of “World wide web”* The memory address sent from the CPU to the main memory over a set of wires is called address bus* MODEM is an electronic device required the computer to connect to the INTERNET* A source program is a program which is to be Tran scripted in machine language* Virus in computer relates to program* Floppy is not a storage medium in the computer related hardware* DOS floppy disk does not have a boot record* The CPU in a computer comprises of Store, arithmetic and logical unit and control unit* In computer parlor a mouse is a screen saver The primary purpose of software is to turn data into information* You can use the tab key to move a cursor across the screen, indent a paragraph.* A collection of related files is called record.* Storage that retains its data after the power is turned off is referred to as non-volatile storage.* Internet is an example of connectivity.* Testing is the process of finding errors in software code.* A syntax contains specific rules and words that express the logical steps of an algorithm.* Changing an existing document is called the editing documentation* Virtual memory is memory on the hard disk that the CPU uses as an extended RAM.* Computers use the binary number system to store data and perform calculations.* The windows key will launch the start buttons.* To move to the beginning of a line of text, press the home key.* When sending an e-mail, the subject lines describe the contents of the message.* The operating system tells the computer how to use its components.* When cutting and pasting, the item cut is temporarily stored in clipboard.* The blinking symbol on the computer screen is called the cursor.* Magnetic tape is not practical for applications where data must be quickly recalled because tape is a sequential because tape is a sequential access medium.* Rows and columns are used to organize data in a spread sheet.* When you are working on documentation on PC, the document temporarily stored in flash memory