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Q & A Chapter 2 | Internet Services | Class 10 CBSE | Computer Application

 Q & A of Chapter 2 A. Tick the correct option – 1. (b) Browser 2. (a) surfing 3. (a) downloading 4. (d) FTP 5. (b) e-mail 6. (c) chat 7. (a) @ 8. (c) Acronyms 9. (d) Emoticons 10. (a) newsgroup B. Very short answer questions – 1. Name a few search engines. Which is the most popular one? Some common search engines are Bing, Google, Ask, Yahoo and MSN. The most popular search engine is Google. 2. What is an Acronym of FTP? File Transfer Protocol. 3. What is a newsreader? Give an example. A newsreader is a software tool or utility used to browse through newsgroup postings. A very popular newsreader in use today is Microsoft Outlook Express. 4. Name three sites that support e-mail services. Gmail, Outlook and Yahoo are three sites that support e-mail services. 5. What is the difference between attachments and FTP? Attachments are the files which are send through an e-mail for communication, while in FTP transfer of files takes place between FTP server and FTP clients and no commun...
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Q & A Chapter 1 | Internet Basics | Class 10 CBSE | Computer Application

 Q & A of Chapter 1 Internet Basics A. Tick the correct options – 1. (b) TCP/IP 2. (a) Internet Service Provider 3. (a) URL 4. (b) HTTP 5. (a) Bridge 6. (a) home page 7. (d) All of these 8. (b) Domain Naming System 9. (b) Rules 10. (d) ARPANET B. Very Short Answer Type Questions – 1. In the URL http://www.myfirm.co.in/about.html , what do the following components depict? (a) http                                                 (b) in (a) Http represents a type of server and the protocol on the Internet (b) ‘in’ represents the domain extension of the website. 2. In the URL http://www.favmusic.com/contactus.html what does www.favmusic stand for? www.favmusic represents the domain name i.e. favmusic in www. 3. W...
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Bit by Bit | Chapter 4 - Understanding HTML | Class 8 CBSE | Computer Application

 Bit by Bit | Chapter 4 - Understanding HTML Solved A. Tick the correct option  1. (c) <B> 2. (a) <BODY> Tag 3. (d) align 4. (d) color 5. (a) <BODY> 6. (b) face B. Fill in the blank 1. Empty 2. WYGIWYS 3. Text 4. <BR> 5. Width 6. Head, Body C. True or False 1. F 2. T 3. T 4. T 5. F 6. T D. Answer the following questions 1. Define HTML. HyperText Markup Language (HTML) is a computer language used to create webpages. HTML describes the content, format and layout in which a web page should be displayed over the World Wide Web. 2. Which tag form the basic structure of an HTML document? HTML, BODY and HEAD tag forms the basic structure of HTML document. HTML is the root element and HEAD and BODY is a child element. 3. Define <BODY> tag. Name some of the important attributes of the <BODY> tag. The <BODY> tag contains the text which gets displayed on the web page. The attributes of <BODY> tag are bgcolor, text, background, topmargin and...
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Bit by Bit | Chapter 6 - Graphics and Sound in QB64 | QBasic | Class 7 CBSE | Computer Application

Bit by Bit | Chapter 6 - Graphics and Sound in QB64 A. Tick the correct option. 1. (d) screen mode 0 2. (b) 640 x 350 3. (d) White 4. (a) Lower-Right 5. (c) PSET 6. (c) Generate a tone for a short duration B. Fill in the blanks. 1. CIRCLE 2. PAINT 3. PLAY 4. Graphic 5. Pixels 6. Box C. True or False. 1. True 2. False 3. False 4. True 5. True 6. True D. Answer the following questions. 1. What is the use of SCREEN statement? The SCREEN statement is used to set the screen mode for displaying graphics. There are many screen modes and each screen modes have their own number which is from SCREEN 1 to SCREEN 13. The various screen modes differ in resolution. 2. What is a pixel? How is it related to resolution? The graphics which is displaying on the computer screen is made up of thousands of dots called pixel. Pixel stands for picture element. The number of pixels in an image determines the resolution of the image. Higher the resolution, cleaner the image will appear. 3. What is the differenc...
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Introduction to HTML | Understanding HTML | Class 8 CBSE | Computer Application

  Understanding HTML The internet has become a vital part of our lives. By   use of the internet, we can share data and information across the world instantly. It is worldwide network of computers. A computer on the internet that shares available data and information is called server . A computer on the internet that accesses data and information from the server is called client . A server stores files and information in the form of websites. These websites consists of millions of webpages. A webpage is a page that carries text, graphics, video, audio and links to other web pages. These webpages are written in HyperText Markup Language (HTML). What is HTML? HyperText MarkUp Language (HTML) is a computer language used to create webpages. Tim Berners-Lee and his team developed this language at CERN, an European Scientific Organization based in Geneva, Switzerland. HTML describes the content, format and layout in which a web page should be displayed over the World Wide ...
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Bit by Bit | Chapter 3 - Working with Queries, Forms and Reports | MS Access | Class 8 CBSE | Computer Application

Solved Exercise Question and Answers of  Chapter 3 - Working with Queries, Forms and Reports A. Tick the correct option – 1. (d) Datasheet View 2. (c) Three 3. (c) Four 4. (b) Datasheet View 5. (d) Filter 6. (b) Create B. Fill in the blanks – 1. Query 2. Form 3. Objects 4. Design 5. Report 6. Result C. State True or False – 1. T 2. F 3. T 4. T 5. F 6. T D. Answer the following questions – 1. What is Query? A query is a method of getting answers to questions on data. It is used to retrieve selective data satisfying specific criteria. 2. Differentiate between Form and Report. Forms allow you to add and update data in a table, one record at a time, while reports are an effective way to present data in printed format. You can customize the appearance of tabular data on a report. 3. How can you specify multiple conditions while designing a query? Specifying the condition in the Criteria row for more than one field will result in...
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Requirement for Internet Connection | Internet Basics | Class 10 CBSE | Computer Application

The Requirements for internet connection Computer System A computer with a good CPU speed is the prime requirement to access the Internet. This can be a normal desktop, or a laptop. This computer will act as the client or the workstation. Today's websites are a mix of text, sound and images so the contents of the websites might be heavy. Hence, more the speed of the CPU better will be the performance of Internet access. The computer should have at least 1 GB of RAM. The higher the size of the RAM, the better is the speed of your computer. The computer should have at least 1 GB of free hard disk space. But this must not be a problem because most of today's computers come with at least 500 GB hard disk space. Besides the above, a sound system with a microphone, speakers and devices like a printer, scanner, etc. are desirable but not compulsory. Modem A modem is a device that converts the analog signals to digital signals and the digital signals to analog signals. It h...
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Bit by Bit | Chapter 3 Working with Queries, Forms and Reports | Class 8 CBSE | Computer Application

Working with Queries, Forms and Reports Exercise Solution A. Tick the correct option – 1. (d) Datasheet View 2. (c) Three 3. (c) Four 4. (b) Datasheet View 5. (d) Filter 6. (b) Create B. Fill in the blanks – 1. Query 2. Form 3. Objects 4. Design 5. Report 6. Result C. State True or False – 1. T 2. F 3. T 4. T 5. F 6. T D. Answer the following questions – 1. What is Query? A query is a method of getting answers to questions on data. It is used to retrieve selective data satisfying specific criteria. 2. Differentiate between Form and Report. Forms allow you to add and update data in a table, one record at a time, while reports are an effective way to present data in printed format. You can customize the appearance of tabular data on a report. 3. How can you specify multiple conditions while designing a query? Specifying the condition in the Criteria row for more than one field will result in a query that will select only those records...
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Q & A Chapter 2 | Python | Class 10 CBSE | Computer Application

Python Q & A Chapter 2 A. Tick the correct option – 1. (c) Boolean 2. (d) Level 3. (a) Built-in 4. (c) both (a) and (b) 5. (b) control B. Very Short Answer Type Questions – 1. What is control variable? The variable which controls the flow of execution of the program is called control variable. These control variables are used in Decision Making statements or Looping statements. 2. What do you mean by Flow of Control? A computer always executes a program sequentially. It starts execution from the first statement and ends at the last statement. This order of execution of statements is called Flow of Control. 3. How many types of loops are there in Python? There are two types of loops in python, For loop and While loop. 4. In how many ways you can call range() in Python? The range() function can be called by three ways. The range() function can be used with three arguments depending on the need of the programmer. 5. Write the syntax of For loop. for ...
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Introduction to Internet | Internet Basics | Class 10 CBSE | Computer Application

Introduction What is Internet? It is a network of networks or rather, a collection of interconnected networks, publicly accessible from around the world. Internet provides a lot of services like the World Wide Web (WWW), e-mail, online chat, search engines and much more. This chapter elaborates the concepts related to the Internet and WWW. Internet and Its Components Internet is a worldwide collection of publicly accessible interconnected computer network. It is actually a network of networks. It may consist of millions of smaller domestic business, academics, organisation and government networks. Each of these smaller networks might connect hundreds or thousands of computers. Information and services such as electronic mail, online chat, file transfer, and most importantly the resources of the World Wide Web (www) are facilities provided by the Internet.  These computers on dissimilar networks communicate on the Internet using a common language or set of rules called p...
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Bit by Bit | Chapter 5 Looping Statements in QB64 | Class 7 CBSE | Computer Application

Solved Question and Answer of Bit by Bit Chapter 5 Looping Statement in QB64 A. Tick the correct option – 1. (a) LET 2. (c) FOR … NEXT 3. (a) FOR 4. (a) FOR 5. (b) DO UNTIL … LOOP 6. (d) GOSUB B. Fill in the blanks – 1. Loop 2. For Next 3. Counter 4. Outer 5. DO WHILE …. LOOP 6. FOR, DO C. State True or False – 1. F 2. F 3. F 4. T 5. T 6. F D. Answer the following questions 1. What is Loop? Name the looping statements used in QB64. A loop is used to repeat a block of statement or statements. FOR … NEXT, WHILE … WEND and DO … LOOP are three looping statements in QB64. 2. What is the use of step value in a FOR … NEXT loop? By default the NEXT statement increases the value of the control variable by 1, but we can increase or decrease the value as per our choice using STEP statement. 3. What is the difference between DO WHILE … LOOP and DO UNTIL … LOOP? The DO WHILE … LOOP is executed as long as the specified condition is TRUE wh...
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Project in python

Source code lslno=[] lname=[] leng=[] lhnd=[] lmth=[] lsci=[] lsst=[] ltot=[] lper=[] lgrad=[] val=1 def calculategrade(): str="y" while str=="y": slno=int(input("Enter the Sl. No.: ")) lslno.append(slno) name=input("Enter the Name: ") lname.append(name) print("Please enter the marks of the subjects") eng=int(input("English: ")) leng.append(eng) hnd=int(input("Hindi: ")) lhnd.append(hnd) mth=int(input("Maths: ")) lmth.append(mth) sci=int(input("Science: ")) lsci.append(sci) sst=int(input("Sst: ")) lsst.append(sst) total=eng+hnd+mth+sci+sst ltot.append(total) per=(total/500)*100 lper.append(per) if per>=60: lgrad.append("A") elif per>=45 and per =30 and per
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Bit by Bit | Chapter 4 - Log on to MS Access 2010 | Class 7 CBSE | Computer Application

D. Answer the following questions 1. What is database? A database is an organised way of storing information. It helps us to manage and access large amount of information quickly and efficiently. 2. What do you understand by term RDBMS? A DBMS that stores data in the form of tables and enables you to join the tables by creating a link between them is called Relational Database Management System (RDBMS). 3. Explain any two advantages of database. The advantages of database are given below: (i) Facilitates sharing of data – Different users can use the same database to extract data based on their individual needs. (ii) Ensures data security – In a DBMS the database administrator has complete control over the database and ensures that the data is accessible only to authorized people. 4. Define the term ‘tables’. Tables are the building blocks of a database. They store the complete data in a structured manner in the forms of rows and columns. 5. What do you mean by the t...
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Query in MS Access

Query A query is a method of getting answers to questions about the data. The query can involve a single table or multiple tables to answer a question about the data. Some of the examples are: The list of students who got greater than 80 percentage. The list of students who have submitted the March month fee. You can create queries in two ways: Query Wizard and Query Design Steps to create query using Query Wizard Click on Create Tab Click on Query Wizard option in the Queries group. A New Query dialog box appears. Select Simple Query Wizard and click on the OK button. The Simple Query Wizard screen appears. Select the table that contains your data in the Tables/ Queries box. Now add the fields you want in the query results. Make use of arrows to add or remove the fields. Then click on Next button. Now select Detail or Summary option from the dialog box. Click Next. Type a query name in the text box, and select Open the query to view information optio...
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Loops in Python

Loops in Python Loops are used when you have a block of code which you want to repeat a fixed number of times. There are two type of loops in python: While Loop For Loop While Loop While loop in python is also known as pre-tested loop, because it first tests the condition then it allows the statement to execute written under it, until it is true. For Loop A for loop is used for iterating over a sequence (that is either a list, a tuple, a dictionary, a set, or a string). For loop is written with range function. The Range() Function The range is built in function in Python that allows you to generate a series of numbers within a given range. There are three ways you can call range(): Range(stop) Range(start, stop) Range(start, stop, step) Example 1 -  for x in range(5): print(x) Output -  0 1 2 3 4 Example 2 -  for x in range(1, 5): print(x) Output -  0 1 2 3 4 Example 3 - for x in range(1, 10, 2): print(x) Output -  1 ...
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Q & A Chapter 1 | Python | Class 10 CBSE | Computer Application

Solutions of Computer Science with Python Class 10 A. Multiple Choice Questions(Tick the correct options) -  1. (d) 2. (c) 3. (b) 4. (a) 5. (b) 6. (b) 7. (c) 8. (a) 9. (a) 10. (a) B. Very short answer type questions - To exit from python editor press ctrl + z from keyboard or exit(). Operators are the symbols which perform the operation on some values. There are two types of operators Unary and Binary Operator. Python is available for free anybody can download and make programs in python. Also you can add or update modules or functions in python library. Tokens are smallest unit of a python program. Python breaks each lines into a sequence of meaningful component. Punctuators are symbols that are used in programming languages to organize sentence structures. The most common punctuators are ' " # C. Short Answers - Escape Sequence is a character that contains a special meaning. There are various types of escape sequence some of them are '\n...
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CBSE Class 8 Chapter 2 MS Access

Exercise A. Tick the correct option -  1. (c) AutoNumber 2. (a) Date/Time 3. (b) Primary Key 4. (d) Primary Key 5. (c) Validation Rule 6. (d) Record B. Fill in the blanks -  1. Datasheet 2. Design 3. Rows, Columns 4. Memo 5. Text 6. Required C. True or False 1. False 2. True 3. True 4. True 5. False 6. True D. Differentiate between – 1. Record and Field The rows in a table are known as records. A record stores complete information about an object or an item. The columns in a table are known as fields or attributes. The fields contain only single type of data. Every field has a data type that determines the type of values that can be stored under it. 2. Number and Auto Number data type The number data type accepts number type data whether it can be an integer or a decimal number. The users have to manually input the data in the fields. While Auto number data types are need not to be entered manually, it automatically increment it value when the records are entered. ...
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