This document discusses selecting and protecting electronic gadgets. It provides tips for choosing a good gadget, mobile, and laptop by considering factors like the operating system, processor, RAM, hard disk size, and battery life. It also discusses the top mobile operating systems and lists the best laptops under 35,000 rupees. Finally, it covers protecting devices from viruses by using antivirus software and cleaning temporary files.

1. MY ELECTRONIC GADGETS
PC ,MOBILES AND TABLETS QUADCOPTER WIRELESS 3D FINGER MOUSE
Exhale fan(bladeless fan) WI-FI SMART CONTROL LASER VIRTUAL PROJECTION KEYBOARD

2.  How to opt a good electronic gadget ?
 How to opt a better mobile ?
 How to opt a best laptop ?
 Best laptop under 35000 /-
 Protecting your gadget from virus
Main objectives :

3. OPTING A GOOD ELECTRONIC GADGET
5 Things that to be observed while opting
an electronic gadget
1. Check the Calendar
2. Check Reviews
3. Life expectancy (efficiency)
4. Beware of Online Scammers
5. Re-check

4. Opting a better mobile
1. Operating system
2. Ram
3. External memory ( SD/DDR CARD)
4. mAh (milli amp-hour)

5. Best operating system
9 Popular Mobile Operating Systems :
• Android OS (Google Inc.)
• Bada (Samsung Electronics)
• BlackBerry OS (Research In Motion)
• iPhone OS / iOS (Apple)
• MeeGo OS (Nokia and Intel)
• Palm OS (Garnet OS)
• Windows Mobile (Windows Phone 7)

7. How to opt a best laptop ???
1. Operating system
2. Processor
3. Ram size
4. Hard disk size
5. Battery life (mAh)

8. Operating system
 a collection of programs which control the
resources of a computer system
 written in low-level languages (i.e. machine-
dependent)
 an interface between the users and the
hardware
 when the computer is on, OS will first load into
the main memory

9. processor
Definition : A machine that processes
something (DATA)
BEST PROCESSORS
Platform Google Chrome OS Windows 10
Processor Name Intel Celeron N3160
Intel Core i5-
6200U
Processor Speed 1.6 GHz 2.3 GHz
RAM 4 GB 8 GB
Graphics Card Intel GMA HD 3150
Intel HD
Graphics 520

10. RAM
RAM : RAM (pronounced ramm) is an acronym
for random access memory, a type of computer memory
that can be accessed randomly
Robert Dennard was the inventor of ram: random
access memory, the device was patented in 1968 by
Dennard. Jay Forrester was a pioneer in early digital
computer development and invented random-access,
coincident-current magnetic storage
Robert Dennard
Dennard. Jay
Forrester

11. HARD DISK
DEFINITION : A hard disk drive (HDD), hard
disk, hard drive or fixed disk is a data storage device
used for storing and retrieving digital information using
one or more rigid ("hard") rapidly rotating disks (platters)
coated with magnetic material.
The IBM 350 Disk File, invented by Reynold
Johnson, was introduced in 1956 with the IBM
305 RAMAC computer. This drive had fifty 24-
inch (0.6 m) platters, with a total capacity of
five million 6-bit characters (3.75 megabytes)
A partially
disassembled IBM 350
Reynold Johnson,

12. 10 Best Laptop Under 35000/-
Specifications :
 Intel core i5 processor
 1TeraByte hard drive
 4GB RAM
 2GB graphics card and operating system
HP 15-AC120TX Laptop Acer Aspire E5 Laptop
Under 35000 with i5
Processor
Lenovo G50-45 Laptop
Acer Aspire E5 E5-
573-587Q Notebook

13. Protecting laptop from virus
virus : A computer virus is a type of malicious software program
("malware") that, when executed, replicates by reproducing itself
(copying its own source code) or infecting other computer programs
by modifying them. Infecting computer programs can include as well,
data files, or the "boot" sector of the hard drive.
How does a computer get infected with a virus or spyware?
• Accepting without reading
• Downloading any infected
software• Inserting or connecting an infected disk, disc, or drive
• Not running the latest updates
• Pirating software, music, or movies
• No antivirus spyware scanner

14. Best Anti-virus software 2016
Free anti-virus
• Avira Free Antivirus
• Bitdefender Antivirus Free Edition
• AVG AntiVirus Free 2016
Paid anti-virus
• Bit defender Antivirus
• Kaspersky antivirus
• Norton antivirus

15. Cleaning temp. files in p.c
 Press
+ R
Type
• temp
• %temp%
• prefetch
• Cookies
• Cleanmgr.exe
And press

16. Ppt
by
Madugula saikumar
15A51A0495