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Previous year question paper with solutions for Computer Mar-2017
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Question paper 1
PART A
Objective type quesions:
1. What is the end of every statement in C-programing
(a) semi-colon(;)
(b) fullstop(.)
(c) colon(:)
(d) comma(,)
Answer:
(a) semi-colon(;)
2. What is the default return type in function?
(a) void
(b) int
(c) float
(d) char
Answer:
(b) int
3. The software that you can install on PC to access the internet is the?
(a) WWW
(b) TCP/IP
(c) Browser
(d) URL
Answer:
(c) Browser
State true or false :
4. Audio clips can only be added in the timeline view.
Answer:
True
5. The project file in Windows Movie Maker has an extension .mswmm.
Answer:
True
6. It is possible to send money from one account to another through online banking
Answer:
True
PART B
Write the appropriate word or result for the following:
7. By whom C language was written?
Answer:
Dennis Ritchie
8. Which function is used to read one character at a time a lnput?
Answer:
getchar()
9. What is the function that always exists and is not first calling funtion ?
Answer:
getchar()
10. Which command is used to divide audio/video clips into different parts?
Answer:
Split command
11. Which topology consists of a central node that is connected with other nodes by a single path?
Answer:
Star topology
12. Under which file all library functions available are grouped?
Answer:
Header file
PART C
Write the answers of the following questions:
13. What is string?
Answer:
Strings are actually one-dimensional array of characters terminated by a null character '\0'. Thus a null-terminated string contains the characters that comprise the string followed by a null.
For example :- char greet[] = {‘h’,’e’,’l’,’l’,’o’};
C supports a wide range of functions that manipulate null-terminated strings -
● strcpy(s1, s2);
● strcat(s1, s2);
● strlen(s1);
● strcmp(s1, s2);14. What are the main advantages of function?
Answer:
The main advantages of function are :-
● Modular and structural programming can be done.
● It follows top-down approach, so main() can be kept very small.
● Individual functions can be easily built and tested.
● Program development becomes easy.
● It is easier to understand the program topic.15. What are the options in movie tasks pane of Windows Movie Maker ?
Answer:
The Movie Tasks pane lists the common tasks that you may need to perform when making a movie. It lets you perform the following common tasks, according to the point you are at in the process of making a movie.
● Capture Video - Provides options to begin making a movie, such as capturing video and importing existing video, pictures, or audio.
● Edit Movie - Provides options for making a movie, such as viewing existing video, pictures, audio, video effects, or adding movie titles and credits.
● Auto Movie - Used to begin making a movie automatically.
● Finish Movie - Provides options for saving your final movie, such as to your computer, to a recordable CD, to send as an attachment in an e-mail message, to the Web, or to a tape in a DV camera.
● Movie Making Tips - Provides help for completing common tasks in Windows Movie Maker.16. What is a workspace ? What are its two views ?
Answer:
A workspace is (often) a file or directory that allows a user to gather various source code files and resources and work with them as a cohesive unit. Often these files and resources represent the complete state of an integrated development environment (IDE)at a given time, a snapshot. Workspaces are very helpful in cases of complex projects when maintenance can be challenging. Good examples of environments that allow users to create and use workspaces are Microsoft Visual Studio and Eclipse.
17. Explain library function.
Answer:
C programming language comes with a huge library of functions that we can use in our code, without having to re-write everything. We only need to include the library at the top of our code. When we use a command such as printf (to print to the screen), we are actually using a function that is in a standard C
library.
Libraries are included in your code by referencing the header file.Syntax :- #include <filename.h>
Some libraries are :-
❏ Stdio.h: Standard Input/Outptut - #include <stdio.h>
❏ String.h: String Functions - #include <string.h>
❏ Math.h: Math Functions - #include <math.h>
❏ Time.h: Date and Time Functions - #include <time.h>
Advantages of using C library functions
● These functions have gone through multiple rigorous testing and are easy to use.
● The functions are optimized for performance.
● It saves considerable development time.
● The functions are portable.PART D
Write the answers of the following questions:
18. What is Network and Explain Its types?
Answer:
Computer Network is a system of interconnected computers that enable the computers to communicate with each other and share their resources, data and applications. The physical location of each computer is tailored to personal and organizational needs. A network may include only personal computers or a mix of PCs, minis and mainframes spanning a particular geographical area.
Computer networks that are commonly used today may be classified as follows:
1. Local Area Networks (LANs)
2. Wide Area Networks(WANs)
3. Metropolitan Area Networks (MANs)
4. Personal Area Network (PAN)➔ Local Area Network (LAN)
LAN is a group of computers, that are connected in a small area such as building, home, etc. Through this type of network, users can easily communicate with each other by sending and receiving messages. Through the number of computers connected in a LAN is limited, the data is transferred at an extremely faster rate.➔ Wide Area Network (WAN)
WAN is a group of computers that are connected in a large area such as continent, country, etc. WAN is generally used for connecting two or more LANs through some medium such as leased telephone lines, microwaves, etc. In WAN, data is transferred at slow rate.➔ Metropolitan Area Network (MAN)
MAN is a network of computers that covers a large area like city. The size of the MAN generally lies between LAN and WAN, typically covering a distance of 5 km to 50 km. The geographical area covered by MAN is comparatively larger than LAN but smaller than WAN.
MAN is generally owned by private organizations. MAN is generally connected with the help of optical fibers, copper wires etc.
One of the most common examples of MAN is cable television network within a city.➔ Personal Area Network (PAN)
PAN is the interconnection of information technology devices within the range of an individual person, typically within a range of 10 meters.
For Example: a person travelling with a laptop, a personal digital assistant (PDA), and a portable printer could interconnect them without having to plug anything in, using some form of wireless technology such as WiFi.OR
What is network hub? What are its uses.
Answer:
Hubs were the common network infrastructure devices used for Local Area Network (LAN) connectivity but network switches are rapidly replacing hubs. These days it is very difficult to spot a Network Hub functioning in a live Local Area Network (LAN). Hubs function as the central connection point for Local Area Network (LAN). Hubs are designed to work with Twisted pair cabling and normally use RJ45 jack to connect the devices. Network devices (Servers,
Workstations, Printers, Scanners etc) are attached to the hub by individual network cables. Hubs usually come in different shapes and different numbers of ports.
When a hub receives a packet of data (an Ethernet frame) at one of its ports from a network device, it transmits (repeats) the packet to all of its ports to all of the other network devices. If two network devices on the same network try to send packets at the same time a collision is said to occur. Hubs are considered to operate at Physical Layer (Layer 1) of OSI model.Types of Hub: On the basis of its working methods, the Hubs can be divided into three types, given as:
● Active Hub
● Passive Hub
● Intelligent HubApplications Of Hub: Networking Hub is widely used networking connectivity device. It has many advantages over other connectivity devices. Some Application of Networking Hub are given below:
● Hubs are used to create small Home Networks.
● Hubs are used for monitoring the networks.
● Hubs are used in Organizations and Computer Labs for connectivity.
● It Makes one device or peripheral available throughout the whole network.19. Describe main uses of Suwidha center.
Answer:
Suwidha Centres are single window system, which provides Government services related to citizens under one roof using information and communication technology.
● It was started in 2005 with a vision to provide single point receipt and delivery of various services.
● These provide around 35 public services at district and sub district level.
● SUWIDHA centres (Single User-Friendly Window Disposal and Helpline for Applicants) are aimed to provide citizens with convenience.
● It is a time bound method where citizens get results in a quick and effective manner.
● It is one of the very early initiatives of E-Governance that aims at Government to citizen services.
● Providing these centres at village level gives the people residing in those areas a greater edge. They can now use the services without travelling far.OR
Describe the ways of booking of railway and air ticket on-line.
Answer:
1. Firstly the ways of booking railway ticket online :-
● To book online railway ticket in India follw these steps-
● Open irctc.Co.in on your web browser which is indian railway's website.
● Sign up through your email account.
● Log in to the account.
● Search the station you want to travel to on the right hand side in the box with specific other details.
● Select the train which is comfortable for you along with the class you want to travel in.
● After clicking on the class, a window will open above the list stating the price of the ticket and availability/waiting number of the ticket.
● If you want to book in waiting also, then click on that number, a new page will open where you have to fill in the details of the passengers travelling and click on the book now button at the bottom.
● A new page will open summarising the ticket details. Click on the make payment option down the summary.
● A new page will open with various modes of payments. Click on the mode of payment suitable for you such as debit card. (In case of debit cards, if the name of your bank is not given then select HDFC debit card in silver list).
● A new page will open asking for the details of your card. Fill in the details and click on buy button on the bottom right hand corner.
● Your ticket has been booked. Enjoy your journey.2. Firstly the ways of booking air ticket online :-
● Look for flights in advance. The best time to book a domestic flight is between 112 and 21 days before you depart to secure the lowest fare. 54 days before is considered the perfect time. However, even booking 54 days before your trip is not guaranteed to get you the lowest fare.
● Check airfare deal websites. Before booking, scan an airfare deal website, like Airfare Watch Dog, for sales. This is especially helpful if your destination or trip dates are flexible so you can take advantage of any deals.
● Enter your trip details on an aggregator site. Visit an aggregator website that
searches multiple airlines, like SkyScanner, Momondo or GoogleFlights, and enter your trip information. The website will be able to show you lots of flight options for your requested destination and dates that you can sort by price, airline or length of trip.
● Choose how many stops you want to make. Many flights, especially to far away locations, will require you to make stopovers at airports along the way. Sometimes these will involve changing planes and going through security again. As you look at flights, remember to keep in mind how many stops you are comfortable making. Also check how long and what time of day the stops are.
● Click through to the airline’s website. Once you have found the best trip, select it on the aggregator site and move to the airline’s direct website to book your tickets. Some aggregators allow you to book the ticket through their website, but there may be an additional service fChoose your seat. Many airlines will allow you to choose your seat at your time of booking. Ensure you choose seats for all of the passengers that you're booking airline tickets for. You can select to sit together, if there is space for your party, and whether you want an aisle, window or middle seat. You may also be able to select seat upgrades, like extra legroom, for an additional cost.
● Choose to make it a package deal or not. Towards the end of the booking
process, your airline may suggest add-ons that you can book, such as hotels or
car rentals. You can add these at the time of booking or book them separately
from your airline ticket.
● Request special accommodations. If you require any special accommodations for your flight, such as a wheelchair, request these at the time of booking. If you are not prompted to enter this information during your online booking, call your airline directly.
● Book your ticket! On the airline’s website, confirm that all of your trip information is correct. Then follow the prompts to enter your personal and payment information to finish booking your tickets. You may also need the personal information of anyone else flying with you.
● Receive your confirmation and receipt. After booking, your receipt and ticket
confirmation should be emailed to you. If you don’t receive this within a few hours of booking, contact your airline.
Question paper 2
Part-A
1. Which of the following is not a function of C language ?
(a) printf() (b) main() (c) scanf()t (d) floa
Answer:
2. Which of the following is not a transmission medium ?
(a) Telephone lines (b) Coaxial Cable
(c) Modem (d) Twisted coaxial cablAnswer:
3. The parameter passing mechanism used in Cis?
(a) call by name (b) call by value
(c) name call (d) none of theseAnswer:
State true or false :
4. Only video effects present in the video effect folder can be added.Answer:
5. We can have only Video clips in the collection pane.
Answer:
Read more6. To avail the services of e-Governance, computer is not used.
Answer:
Read morePart-B
Write the appropriate word or result for the following:
7. In which year, C language was written?Answer:
Read more8. strlen("India is great"); What returns the string length ?
Answer:
Read more9. What is the return type of a function that does not return anything?
Answer:
Read more10. What are the digital media files and picture files called that we import into our current project?
Answer:
Read more11. What is a pattern of interconnection of nodes in network called ?
Answer:
Read more12. In how many categories functions can be broadly classified ?
Answer:
Read morePart-C
Write the answers of the following questions:
13.. What is special about the array of char?
Answer:
Read more14. Distinguish between arguments and parameters
Answer:
Read more15. What is the use of Windows Movie Maker Software ?
Answer:
Read more16. Write the steps to combine different clips into Movie.
Answer:
Read more17. Explain difference between user define and library function
Answer:
Read morePart-D
Write the answers of the following questions :
18. What is the difference between LAN and WAN ? Explain.
Answer:
Read moreor
What is network topology ? Explain its types.Answer:
Read more19. Explain the various areas of e-governance.
orAnswer:
Read moreWhat is the importance of e-governance ?
Answer:
Read more
Question paper 3
Part-A
1. Which of the following is not used as data type in C language ?
(a)char (b) float
(c)int (d)mainAnswer:
2. Which is the main() function from the following ?
(a) a built-in function (b) a user define function
(c) optional (d) all of thesAnswer:
3. Which of the following is not a goal of computer networks?
(a) Resource sharing (b) High Reliability
(c) Scalability (d) None of theseAnswer:
4. Can Transitions be stored in the Video/Audio Transition folder in the collection pane?
Answer:
5. To import several files we use Click+Shift key combination.
Answer:
6. In i-Ticketing the ticket should be booked before 2 days..
Answer:
Part-B
Write the appropriate word or result for the following:
7. What is level of C Language ?Answer:
8. Which function is used to read a complete string at a time?
Answer:
9. How function declaration ends?
Answer:
10. What is the small segment of larger video file?
Answer:
11. What is collection of interlinked computers by means of a communication system?
Answer:
12. What is a self-contained block of statements that perform a specific task?
Answer:
Part-C
Write the answers of the following questions:
13.. What is the purpose of the null characterAnswer:
14. What is the need of function declaration ?
Answer:
15. What is the difference between clip and videos ?
Answer:
16. Give the difference between Story board and Time line.
Answer:
17. Give the names of any four header files used in C
Answer:
Part-D
Write the answers of the following questions :
18. What is transmission media ? Explain two types of transmission media.
or
Answer:
What is Data transfer rate ? Explain its units
Answer:
19. What is the difference between i-ticketing and e-ticketing ?
or
Answer:
What do you understand by JIT ? Explain.
Answer: