DCA : UNIT-2 :COMPUTER HARDWARE AND OPERATING SYSTEM (Chapter-5 Maintaining of Computer System)

                                 

                                                                                    UNIT -2

                                               COMPUTER HARDWARE AND OPERATING SYSTEM

                                                                                 CHAPTER-5

                                                  MAINTAINING OF COMPUTER  SYSTEM

                       

1. What do you mean by term 'Burning' ?

    Copying files to writable disc.

2. What is CD-R?

     CD-R stands for " Compact Disc Recordable ".  CD-R discs are blank CDs that can record data written by a CD burner. The word recordable is used because CD- Rs are often used to record audio, which can played back  by most CD players.

3. What is DVD +RW ?

     It stands for "Digital Versatile Disk Rewritable ". A DVD+RW is like DVD+R but can be erased and rewritten. DVD+RWs must be completely erased in order for new data to be erased.

4. What is cookie?

     Small text files that websites put on your computer to store information about you and your preferences or profile information.

5. What do you mean by back up of data?

    back up is the process of copying and archiving of computer data. Back up helps to resore the original data in case of data loss.

6. How data can be transferred from computer to flash drives?

   First of all, insert USB drive into any available USB port on your computer.

   Locate the file or folder on your computer that you would like to copy to the flash drive.

  Right - click the file.

  Select the  option "send to"

 Select "Removable Disk"

7. Why do we install antivirus in our computers ?

    Step 1 : Double click on AVG "setup" file. Waiting for sometime. One window will appear.

    Step 2 : Click " next" .

    Step 3 : Click "Accept". A window will come up.

    Step 4 : Click 'Accept' again. A window  will come up.

   Step 5 : Tick  " Standard Installation" and click " next". 

   Step 6 : Click "next". A window will appear.

   Step 7 : Click "next".

   Step 8 : Click ' Finish'. Wait for some time, A window will appear.

  Step 9 : Click "OK". Your installation is  completed.

   Step 10: Click " Next". Following window will appear 

   Step 11: Click '" Next".

  Step 12: Click "Next".

 Step 13 : Click "Next" button repeatedly. 

installation completed.

8. Why do we clean temporary internet files from our computer?

   Temporary Internet Files is that they take up a lot of hard drive space and can slow down your computer. Also they are a potential privacy threat. That is why it is recommended to delete Temporary internet Files every once in a while.

9. What is the use of system information facility in windows?

     System information shows details about your computer's hardware configuration, computer components, and software , including drivers.

10. List various system tools ?

     Disk Cleanup : It removes temporary files, empties the Recycle bin and removes variety of  a system files and other items that you no longer need.

   Defragmentation : Process of keeping scattered data in continuous memory locations.

11. What is disk defragmentation?

         Defragmentation, also known as “defrag” or “defragging”, is the process of reorganizing the data stored on the hard drive so that related pieces of data are put back together, all lined up in a continuous fashion.

                     

                                                  Defragmented disk               Fragmented disk

             

                                                Essay type questions (ref text book)

12. List and explain any  two system tools in detail.

13. List and explain any three guidelines for computer maintenance.

14. Explain the burning process. Explain how CD/DVD can be burned using nero8.

15. What is the use of backing up of data? How it be done in windows7 operating system?

     

        

   

     

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DCA : UNIT-2 :COMPUTER HARDWARE AND OPERATING SYSTEM (Chapter-4 Installing And Managing Windows 7)

 

                                                                               UNIT -2

                                                COMPUTER HARDWARE AND OPERATING SYSTEM

                                                                            CHAPTER-4

                                                 INSTALLING AND MANAGING WINDOWS 7

1. Pick the odd one out.

 a. Fdisk

b. G parted

c. format

d. Partition magic

 Ans. c

2. What is partitioning?

      The process of dividing a hard disk (or any other physical disk) into one or more region is called partitioning. A partition is a portion of a physical disk that functions as a separate physical disk called drive.( eg. C drive, D drive etc) .There are two types of partitioning. -primary and extended partition.

3. Explain various steps involving in installing windows 7.

  1. Switch on your computer and insert the bootable Window 7 DVD or bootable USB pen drive.

  2, Press any key 

3. Click "install now"  

4. Click next button A window will appear.

5. When tick the "I accept the license check box" and click "next" button ,A window will appear.

6. Click "Custom advanced "

7. Click "drive option advanced" when clicking it ,A window will appear.

8. Click "new". Here we are creating a new partition. After clicking a window will appear.

9. Give size of the first partition and click and "apply"

10. Click "OK". At that instances, A window will appear.

11. Click "next". A window will  be appeared. 

12. Wait until installation is completed.

13. Give the product key obtained from licensed vendor or tick "automatically activate and click next.

14. Give password .Click "next".

15. Give time and date correctly. Click "next". Installation will be completed. Now we are ready to use window 7.

4. What is formatting?

   The process of arranging a partition to store files and folders is called formatting.

5. Explain firewall and how to turn on firewall setting in windows7

     A firewall is software or hardware that checks information coming from the internet or network and then either blocks it or allows it to pass through to our computer depending on our firewall settings. 

  To turn on windows firewall .following steps can be done

  1. Select "Control panel" .Then A window appears

23. Click windows firewall

3. Click "Turn windows firewall on or off". Then A window will be appeared.

4. Click "Turn on windows firewall" and press ok.

6. What are the different  types of  internet connection available ?

   1. Wireless : 

                  Wireless connections are made possible through the use of a modem, which picks up Internet signals and sends them to other devices.

2. Broadband :

       The term broadband is shorthand for broad bandwidth. Broadband Internet connections such as DSL and cable are considered high-bandwidth connections. Although many DSL connections can be considered broadband, not all broadband connections are DSL(Digital subscriber line). 

3. Dial-up:

           Dial-up connections require users to link their phone line to a computer in order to access the Internet. This particular type of connection—also referred to as analog—does not permit users to make or receive phone calls through their home phone service while using the Internet.

Data card:

            Choose this if we have a data card purchased from an Internet Service Provider (ISP)like BSNL, Idea etc.

7. What is trouble shooting?

     The process of identifying and correcting common computer problem is called trouble shooting.

8. How to search for  a  file in window?

    Click the Start button, type the file name or keywords with your keyboard, and press Enter. The search results will appear. Simply click a file or folder to open it.

9. Raju wants to share a file with his friend in a networked lab. How is it possible?

    Step 1: Right click the required file, click "share with".

Step2 : We can give "read" permission or "read" and write" permission depending on the requirement.

     

                     

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