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Important Objective Type Questions 101-155

MMC stands for multimedia card. SD stands for secure digital card. System Bus  is used to connect main components of a computer such as cpu and main memory. A Port is an interface or a point of attachments. POS stands for Point Of Sale terminal. ATM stands for Automated Teller Machine. PIN stands for Personal identification number. Kbps stands for kilobits per second. Mbps stands for megabits per second. A port that transmits one bit at a time is called Serial Port. A type of port that transmits many bits at a time is called Parallel Port. LPT stands for Line Printer. Examples of system software are Operating System, Utility Programs and Device Drivers. Examples of operating systems are DOS, Windows, Unix and Linux. Examples of Utility programs are File Manager, Image Viewer, Disk Scanner and File Compressor. Software used to detect and remove viruses is called Antivirus . Examples of antivirus programs are Mcaffee, Avast,

Important Objective Type Questions 51-100

(70)10 = (1000110). [ divide 70 by 2 repeatedly until quotient is zero, write down remainders from bottom to top.] NTFS is abbreviation for new technology file system     . USB stands for Universal serial Bus. AGP stands for Accelerated graphical port. Roman number system is an example of non-positional number system. PPP stands for point-to-point protocol. SCSI is pronounced as Small computer system interface. MS Excel is an example of Applications software. Windows is an example of          system           software. WAN as a network stands for    wide area network. DNS stands for Domain name server. CPS stands for   Character per second. BIOS stands for   Basic input-output system. LCD stands for Liquid crystal display     . POST stands for   ­­­­­­­­­­­­­­­­­­­­­­­­­_Power  ON Self Test How many rows are in MS Excel _65536. Modem stands for Modulator and demodulator. CPM stands for Character per minute ENIAC stands for Electro

Important objective type questions 1-50

FTP stand for     file transfer protocol. Lady ADA is the mother of computer.    VINT CERF     is the father of Internet. Nibble consists of   4   bits.   Google     and   Yahoo   are the two search engines. TCP/IP stands for Transmission control protocol/Internet protocol. One sector on Hard Disk holds   512    bytes.   Dos, window and UNIX are three operating systems. Demodulation converts Analog signal into Digital signal. ARPANET stands for advanced research project agency network. URL stands for uniform resource locator . Charles Babbage is the father of computer. Lady ADA is the first computer programmer. Nibble contains 04 numbers of bits. Name Two Mail service mail Yahoo.com. VOIP stands for Voice over internet protocol. One sector holds 512 numbers of bytes. Name two different Operating systems DOS and Windows. The process of demodulation converts digital signal into analog signal. URL st

Advantages and Disadvantages Of Internet

what are the advantages and disadvantages of internet Internet has many advantages for users along with some disadvantages too. Let us discuss the benefits of using Internet first. ADVANTAGES OF INTERNET what are the advantages and disadvantages of internet Following are the main advantages of internet: 1. THE WORLD WIDE WEB This is also called web or www or 3w. The collection of all web pages in all web sites on internet is called www. These web pages provide us information. 2. E-MAIL E-mail stands for electronic mail. It is the most popular, cheap, easy and fastest mailing service. We can send and receive messages on internet with in seconds or minutes. 3. NEWSGROUPS Newsgroups are discussion groups on internet. They are used for free exchange of information. 4. MAILING LISTS Mailing lists provide information to the users on the selected topics through email. Mailing lists are maintained by different companies. 5. ONLINE BANKING Several banks are onlin

Services Of Internet

SERVICES PROVIDED BY INTERNET Important services provided by internet are as the following: 1. THE WORLD WIDE WEB This is also called web or www or 3w. The collection of all web pages in all web sites on Internet is called www. These web pages provide us information in the form of text, pictures, audio and video formats etc. 2. E-MAIL E-mail stands for electronic mail. It is the most popular, cheap, easy and fastest mailing service. We can send and receive messages on internet with in seconds or minutes. 3. EMAIL DISCUSSION GROUPS These are used to discuss different topics with other people by email. 4. NEWSGROUPS Newsgroups are discussion groups on internet. They are used for free exchange of information. A user sends a message to the news group site. Other users read this message from this site and reply. Newsgroups are provided by special computers called news servers. 5. ECOMMERCE It stands for Electronic Commerce. E-commerce means to carry out business dealings by internet

Explain Internet and History of Internet

INTERNET Internet is the network of networks around the world. It is made up of thousands of smaller networks. It is a global communication system. We can send and receive information from a city or country to another through Internet. Main components of Internet are computers, communication media and modem etc. Modem is used to send and receive information though telephone lines.     Internet provides following main facilities:                ·    E- mail                ·    Chat                ·    Searching jobs                ·    Advertising for business                ·    E-commerce                ·    Searching information To use Internet we must have  ·    suitable computer  ·    telephone line  ·    modem  ·    web browser (for example, internet explorer)  ·    Internet connection or scratch card of an ISP HISTORY OF INTERNET 1) ARPANET   The seeds of internet were planted in 1969 by Advanced Research Projects Agency (ARPA) of US department of

Electronic Data Processing In Business

NEED OF ELECTRONIC DATA PROCESSING Today, no business can exist without information . There is no more business without information. To improve the business there is a need to improve data processing and information system. Now it’s the age of competition that involves information technology for faster and accurate data processing . These days computer is playing a main role in every field of life. It is also playing a central role in business . In business, a large amount of data has to be processed daily. It is impossible to process such a large amount of data without a computer. Explain importance / need of electronic data processing in business We know that a computer can process data accurately and quickly. The need of data processing in business is clear. Following are the reasons: 1) RECORD KEEPING An organization cannot exist without records. Record keeping is a difficult and complex problem. Electronic data processing has simplified it. Receiving, storing, pro

Explain Different Types of Data Processing and Advantages Disadvantages

Today we will discuss different types or levels of data processing in detail. Let us define Data processing first. DATA PROCESSING Data processing is the sequence of operations performed on data to convert it into useful information . These operations may be arithmetic, statistical or logical operations. We can arrange or classify data. We can send and receive data from one point to another. Explain different types of data processing TYPES OF DATA PROCESSING (OR) LEVELS OF DATA PROCESSING) There are three types of data processing . 1) Manual data processing 2) Mechanical data processing 3) Electronic data processing We may also use the term Levels of data processing. First level of data processing was manual data processing when there were no calculating devices (before the invention of calculators). Therefore all processing jobs were performed manually by hand with the help of pen , paper and mind. In second level of data processing, machines like calculat