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NCERT Solutions for Class 10 English Main Course Book Unit 3 Science Chapter 2 Plugging into Future

NCERT Solutions for Class 10 English Main Course Book Unit 3 Chapter 2 Plugging into Future are part of NCERT Solutions for Class 10 English. Here we have given NCERT Solutions for Class 10 English Main Course Book Unit 3 Chapter 2 Plugging into Future.

Board CBSE
Textbook NCERT
Class Class 10
Subject English Main Course Book
Chapter Unit 3 Chapter 2
Chapter Name Plugging into Future
Category NCERT Solutions

CBSE Class 10 English Main Course Book Unit 3 Science Chapter 2 Plugging into Future

TEXTUAL EXERCISES

Question 1.
In this section you will read about the old gizmos, which your father or grand-father would have used. Try to compare these gizmos with the ones you have been using. Work in pairs and discuss the change.

Answer:

The comparison between the gizmos used by grand parents and the gadgets used by the modern generation is apparent by the pair discussion given below :

Student A : The gramophone which my grandpa used is kept in the living room. It is there along with the phone that used to operate on wire system.

Pupil B : Same at my grandfather’s house. The gramophone and the table phone are now just showpieces.

Pupil C : They must have been filed in the condemnation registers.

Pupils A and B : Come on ! They are the envoys of celebrities like Amitabh Bachchan and Dilip Kumar who can buy them at exorbitant rates. But yes, now we are addicted to iPods and iPhones. They are trendy and just incredible.

Pupil A : I feel that the function of Gramophones had a limited range.

Pupil C : An iPod is a fancy piece of music playing technology. It has a nice music ; delivery mechanism for business communication ; educational module ; on and so forth.

Pupil B : Even the iPhone 4 has two cameras. It can function as a video camera and a camera phone with text messaging and visual voice mail. This is simply incredible. Due to these features it has become very popular with the youth.

Pupil C : I am amazed at the speed of the technology being changed. Everyday there are new gadgets. Take mobile; now it is a mini computer. It is replacing desktops and laptops.

Question 2.
Work in groups of four and give a one minute presentation on the latest gadgets that you have been using or your parents are using at home. Write any two advantages and disadvantages the new gadget has over the old one.
Answer:

The life-style of a modern family unit has undergone a desired change. The latest gadgets that they use are given below :

  1. 3G, 4G Mobile phone
  2. Compact disk
  3. iPod
  4. iPhone

1. (a) The advantages and disadvantages that a ‘mobile phone’ has over the ‘pager’ are given below :

Pager versus Mobile Phone

Advantage Disadvantage

Pager

  • first portable communication device
  • received short text messages

Mobile Phone

  • modem gadget with attractive features
  • wide network coverage
  • ability of data transfer and voice calls
  • voice calls could not be made
  • limited coverage area
  • data transfer was not possible
  • radiations are injurious to health
  • disturbance caused by tele-marketing calls
  • hearing liable to be impaired due to usage for long hours

(b) The one-minute presentation on the ‘Nokia Craze’ is given below :

Respected teacher and friends

I present before you the latest craze of the new generation. The teenage addiction today is the mobile-phone. Let me share my opinions about the Nokia craze.

The market is flooded with numerous brands of mobile smart phones. These are like Samsung, Sony Ericsson, Blackberry, Motorola. But the overwhelming response of Nokia dominates the gadget world. The multi-purpose handset is the pulse of the new generation. Easy internet access services, data interpretation, video calling and video conferencing prove a boon to their hectic life-style. These also allow them to be in touch with the social network. They tend to get lost in its absence. It really comes in handy during emergent times ; nonetheless, leisure is also best utilised by playing games and listening to music, even FM. It has indeed become a vital part of their lives.
Thank you.

2. (a) The advantages and disadvantages that a Compact Disk has over the Floppy Disk are listed below :

Floppy disk versus CD (Compact Disk)

(b) The one-minute presentation on the Compact Disk is given below :

Respected teacher and friends

Let me share my views on the Compact Disk.

A CD is an optical disc used to store digital data. It was originally developed for storing digital audio. It is a standard physical medium for commercial audio recordings.

CD-Rs rewritable media remain widely used technologies in the computer industry. CD-RW disks need to be blanked before reuse. Full blanking removes traces of the former data. But CDs are susceptible to damage both from normal use and environmental exposure. However, the scratches on the clear side can be repaired by refilling them with similar refractive plastic, or by careful polishing. It can write data to multiple times. It is, in fact, a media storage solution of highest quality and compatibility.

Thank you.

3. The one-minute presentation on the iPod is given below :

Respected teacher and friends

Another gadget that has swept off the feet of the modern generation is the iPod

I wish to share my views on the latest gadget, iPod. iPod is the latest craze designed and marketed by Apple. Being a portable media player, everyone wants to get their hands on this fancy piece of music playing technology. Well! that seems quite fine and dandy. But they are really a good gift idea for a teenager. Listening to an MP3 player is extremely exciting. You find people listening to some nice music, learning new languages through MP3 recordings. It is just thrilling to own it. You can listen to music while you study, travel to and from school, when you exercise or before you go to sleep, to relax. This list goes on. Besides earning a reputation as a respected entertainment device, the iPod is also accepted as a business device. It is used as a delivery mechanism for business communication and training. iPods have also gained popularity for their use in education though they have been criticized for their short life span and fragile hard devices.

Thank you.

4. The one minute presentation on the iPhone is given below :

Respected teacher and class-fellows

Advancement is the vogue of the day. There are four generations (4G) of iPhone models. The first iPhone was unveiled on January 9, 2007 and released on June 29, 2007. The original iPhone was a GSM phone. It established design precedents like screen size and button placement that have persisted through all models. The iPhone 3G added 3G cellular network capabilities and A-GPS location. The iPhone 3GS added a compass, faster processor, and higher resolution camera, including video. The iPhone 4 has two cameras for Face Time video calling and a higher-resolution display. It was released on June 24, 2010. On January 11, 2011, Apple and Verizon together launched a CDMA 2000 compatible iPhone 4. It was launched specifically for the Verizon network in the US, released on February 10, 2011.

An iPhone can function variously. It can function as a video camera, camera phone with text messaging and visual voicemail, a portable media player, and an Internet client with e-mail, web browsing, and both Wi-Fi and 3G connectivity. The user interface is built around the device’s multi-touch screen, including a virtual keyboard rather than a physical one. Third-party as well as Apple applications are available from the App Store. These launched in mid-2008 and now has well over 300,000131 “apps” approved by Apple. These apps have diverse functionalities, including games, reference, GPS navigation, social networking, security and advertising for television shows, films and celebrities.

Thank you.

Question 3.
Here is a list of innovative inventions. Read them and match them with the visuals by writing the correct numbers in the blanks given by the side of the visuals.
Answer:
No quesions asked

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