Question 1

Question 1Match the correct application software for corresponding task.COLUMN ACOLUMN BAccounting ManagementManaging records of fee collection in schoolAttendance SystemCalculating the profit - loss in an organisationPayroll SystemRoad Toll TaxSchool SoftwareComputation of salary of employees in a factoryReservation SystemMonitoring the teacher's record for presence or absenceBilling SystemBooking for air tickets

Accepted Answer

COLUMN ACOLUMN BAccounting ManagementCalculating the profit - loss in an organisationAttendance SystemMonitoring the teacher's record for presence or absencePayroll SystemComputation of salary of employees in a factorySchool SoftwareManaging records of fee collection in schoolReservation SystemBooking for air ticketsBilling SystemRoad Toll Tax

Question 2

Question 2Which General Purpose Application Software package will you recommend to New Girls Public School for producing school accounts?

Accepted Answer

Tally

Question 3

Question 3Rohit has to transfer a large presentation file to his head office which is located in another country. Which Utility software tool will you recommend him for this task?

Accepted Answer

Rohit can use a compressor software to compress the file and make it smaller in size. Then, he can use cloud services to transfer the file to his head office.

Question 4

Question 4Encryption is the process of conversion of data into a form that cannot be easily understood by anyone except those possessing special information, usually referred as a key. This is done using an algorithm. Name the algorithm.

Accepted Answer

Cipher

Question 5

Question 5At times the hard disk of a system fails and loses all the files stored in it. Thus, in order to restore original files at the time of such failures what advice will you give to a multinational organization manufacturing apparels?

Accepted Answer

I will advise the multinational organization to keep their files and data in back up storage devices in order to restore original files at the time of such failures.

Question 6

Question 1The collection of programs and procedures that instructs a computer how to perform different types of tasks is called ............... .

Accepted Answer

The collection of programs and procedures that instructs a computer how to perform different types of tasks is called Software.

Question 7

Question 2The ............... software support the smooth functioning of the computer and run the various programs efficiently.

Accepted Answer

The Utility software support the smooth functioning of the computer and run the various programs efficiently.

Question 8

Question 3............... helps to reduce consumption of storage space and ensures faster transfer of large files.

Accepted Answer

Compression helps to reduce consumption of storage space and ensures faster transfer of large files.

Question 9

Question 4............... is the facility to free up disk space by deleting files that are not being used for a long time.

Accepted Answer

Disk Cleanup is the facility to free up disk space by deleting files that are not being used for a long time.

Question 10

Question 5A ............... program helps to perform calculations, analyze data, and display the information in a tabular manner.

Accepted Answer

A Spreadsheet program helps to perform calculations, analyze data, and display the information in a tabular manner.

Question 11

Question 6A ............... transforms human readable source code of an entire program into machine language code.

Accepted Answer

A Compiler transforms human readable source code of an entire program into machine language code.

Question 12

Question 7............... are special programs which control the execution of a particular hardware device.

Accepted Answer

Device Drivers are special programs which control the execution of a particular hardware device.

Question 13

Question 8DTP stands for ............... .

Accepted Answer

DTP stands for Desktop Publishing.

Question 14

Question 9............... is a process of conversion of data into a form that cannot easily be understood by anyone.

Accepted Answer

Encryption is a process of conversion of data into a form that cannot easily be understood by anyone.

Question 15

Question 1What are the functions of Operating System?

Accepted Answer

The functions of Operating System are as follows:Processor Management — An operating system manages the working of the processor by allocating various jobs to it. It also ensures that each process and application receives enough time by the processor to function properly.Memory Management — An operating system manages the sharing of internal memory among multiple applications. It assigns memory to various programs whenever required. It also frees the memory when it is not in use.Device Management — An operating system controls the working of all input and output (I/O) devices.File Management — An Operating System keeps track of information regarding creation, deletion, transfer, copy, and storage of files in an organized way.Error Detection and Security — It provides security by means of passwords to prevent the misuse of a computer.Job Scheduling — In a multitasking Operating System where multiple programs run at the same time, the Operating System determines which applications should run in which order and how much time should be allocated for each application in turn.

Question 16

Question 2Differentiate between Compression and Defragmentation.

Accepted Answer

CompressionDefragmentationCompression is a technique which is used to compress files.Defragmentation is the process of rearranging all files and directories into one contiguous area of disk.It helps to reduce the consumption of storage space and ensures faster data transfer.It increases the speed of retrieval of data from the disk.A compression software like Winzip is used to compress or decompress files.A Disk Defragmenter utility is used to defragment the disk.

Question 17

Question 3Distinguish between encryption and decryption.

Accepted Answer

EncryptionDecryptionEncryption is the process of conversion of data into a form that cannot be easily understood by anyone except those possessing special information usually referred to as a key.Decryption is the process of converting the encrypted data back into its original form, so that it can be understood by anyone.The result of encryption is cipher text.The result of decryption is the original text.It is usually done at the sender's end.It is usually done at the receiver's end.

Question 18

Question 4What is Customized Software? Give one example.

Accepted Answer

Customized software is a software that is specially designed for a particular organization or user according to their requirements. It is built to cater to the needs of a specific company not the mass market.It can easily be modified according to the changing requirements. It helps integrating different types of work in a single software, thus eliminating the need of purchasing multiple applications and licences.An example of customized software is commercial websites.

Question 19

Question 5How are the desktop apps different from the Web apps?

Accepted Answer

Desktop appsWeb appsDesktop apps can be used on a Desktop or a Laptop.Web apps are usually browser based and stored on a remote server.These apps do not need web access and run independently on a computer.These apps require an Internet connection.Installation on the Desktop or Laptop is required to run these apps.Web apps do not need installation. They can be accessed like any other webpage.Desktop applications require substantial device memory.Web applications require minimum device memory.For example, Notepad, MS Paint etc.For example, Google Maps, Instant messenger, etc.

Question 20

Question 6What is Virus scanner/cleaner? What functions does it perform?

Accepted Answer

Virus scanner/cleaner software are computer programs to identify, prevent, and remove viruses from our computer. It helps us to safeguard our data from virus.Antivirus software performs the following functions in our computer:Scan the computer files to look for virus.Identify suspicious behaviour from other computers.Remove the programs which indicate infection.

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