## Statistics for SSC-CGL Tier-II (Paper-III) – Part-4

Categories of data Any statistical data can be classified under two categories depending upon the sources utilized. These  categories are, 1. Primary data 2.  Secondary data Primary data: Primary data is the one, which is collected by the investigator himself for the purpose of a specific inquiry or study. Such data is original in character… Read More »

## Statistics for SSC-CGL Tier-II (Paper-III) – Part-3

Functions and importance of statistics Statistical methods are used not only in the social, economic and political fields but in every field of science and knowledge. Statistical analysis has become more significant in global relations and in the age of fast developing information technology. According to Prof. Bowley, "The proper function of statistics is to… Read More »

## Statistics for SSC-CGL Tier-II (Paper-III) – Part-2

Introduction to Statistics Deﬁnitions The quantities measured in a study are called random variables, and a particular outcome is called an observation. Several observations are collectively known as data. The collection of all possible outcomes is called the population. In practice, we cannot usually observe the whole population. Instead we observe a sub-set of the… Read More »

## Statistics for SSC-CGL Tier-II (Paper-III) – Part-1

Statistics – Collection, Classification and Presentation of Statistical Data Statistics means numerical presentation of facts. Its meaning is divided into two forms – plural and singular. Features of Statistics : Numerically expressed Affected by different factors estimated or collected Aggregate of facts / data predetermined purpose comparable systematic collection The process of collecting, classifying, presenting,… Read More »

## Computer Awareness Part-16

Computer Protocols- TCP/IP, POP, SMTP, HTTP, FTP In order for computers to communicate with one another, standard methods of information transfer and processing have been devised. These are referred to as "protocols" and some of the more common ones such as TCP, IP, UDP, POP, SMTP, HTTP, and FTP are discussed here. What are protocols?… Read More »

## Computer Awareness Part-15

The 7-bit ASCII code widely used  –    For data communication work   The 0 and 1 in the binary numbering system are called binary digits or ….   Bits A set of related programs are known as————- Package A  circuit that issue signals at regular intervals…? Clock A device that connects to a network… Read More »

## Computer Awareness Part-14

Thesaurus tool in MS Word is used for- Synonyms and Antonyms words When was the first Windows operating system launched? 1985 To produce a high – quality graphics (hardcopy) in color, you would want to use a Plotter A ………. shares hardware, software, and data among authorized users.   network   "Zipping" a file means Compressing… Read More »

## Computer Awareness Part-13

Data representation is based on the………number system, which uses two numbers to represent all data. Binary What characteristic of read-only memory (ROM) makes it useful ? Data in ROM is nonvolatile, that is, it remains there even without electrical power. ____________ is a process that permits multiple computers to use the same IP address and… Read More »

## Computer Awareness Part-12

To insert a word into the middle of a sentence- move the cursor to the desired location in the sentence and type the new word Software for organizing storage and retrieval of information is a(n)— database program This type of software contains rows and columns. Spreadsheet What function displays row data in a column or… Read More »

## Computer Awareness Part-11

If a memory chip is volatile, it will……. Loose its contents if current is turned off What is the difference between a check box and Radio button? In check boxes multiple options can be selected whereas in radio buttons only single option can be selected. Who is/are the founders of Microsoft? Bill Gates and Allen… Read More »