How secure is password protected ZIP file?
About Security
Main security methods
are 128-bit AES and 256-bit AES. These numbers refer to the size of the
encryption key that is used to encrypt the data. 256-bit AES is stronger than
128-bit AES, but both of them can provide significantly greater security. A minor
advantage of 128-bit AES over the 256-bit AES is that it is slightly faster,
that is, it takes less time to encrypt or decrypt a file. This would likely go
without notice, unless you were creating Zip files in which you included many
thousands of files being encrypted while being added.
Security Level
The security of your
data depends not only on the strength of the encryption method but also on the
strength of your password, including factors such as length and composition of
the password. Security also depends on the measures you take to ensure that
your password is not disclosed to unauthorized third parties.
So if u are used more
number with mixed composition, then password cracking get very difficult.
How to Maximize Your Notebook's Battery Charge
Factors that contribute to loss of
battery capacity
v Li-Ion battery cells
suffer gradual, irreversible capacity loss with each discharge charge cycle.
Such aging occurs more rapidly as temperature and discharge loads increase.
v The self-discharge
rate of a Li-Ion battery is higher if the battery is left in an unpowered
notebook.
v During prolonged
storage or non-use, the battery charge will decrease below its recommended
low-voltage level.
v Leaving the battery in a depleted condition for an extended period
accelerates the decrease in FCC. Leaving the battery at a high level of charge
in a hightemperature environment for extended periods (for example, running a
notebook computer in a docking station under a heavy load) also accelerates the
loss of capacity.
v Running high-end
applications using the battery accelerates the loss of capacity. For example,
playing 3D games lowers FCC faster than using word processing applications.
Recommended
battery care practices
v Store Li-Ion
batteries between 20°C and 25°C (68°F and 77°F) with 30% to 50% charge.
v Do not disassemble,
crush, or puncture a battery; do not short the external contacts on a battery;
and, do not dispose of a battery in fire or water.
v Do not leave
batteries exposed to high temperatures for extended periods. Prolonged exposure
to heat (for example, inside a hot car) accelerates the deterioration of Li-Ion
cells.
v Remove the battery if
the notebook will be stored (turned off and not plugged into AC power) for more
than 2 weeks.
v Remove the battery
from the notebook if the notebook will be plugged into AC power continuously
(via a wall adapter or docking station) for more than 2 weeks.
v Use the type of
battery with the highest capacity (Ah) rating if the notebook will run high-end
applications on battery power.
v Calibrate the battery
based on the usage model. Under normal usage, batteries should be calibrated a
minimum of once every 3 months; however, a battery that is rarely discharged
fully should be calibrated about once a month.
v Keep the battery away
from children.
v Use only the battery
provided with the computer or a compatible battery purchased as an accessory.
Tips for
conserving battery power
v You can manually change the power consumption of
your notebook PC and conserve battery power.
v Reduce the number of
open applications . Every application uses memory, and therefore power, even
when the application widow is minimized. Exit any application the is not being used.
v Reduce the brightness
of the screen to the minimum readable level. Use the F7 or F8 keys to adjust
the brightness.
v Remove peripherals
when not in use. External hard drives, CD-ROMs, Zip drives, PC cards, and other
peripheral devices can draw power from
your battery even when they are not in active use. Disconnect them when you are
finished using them.
v Reduce the speed of
your processor. The faster your computer works, the more it uses up the supply
of power. You can extend the charge of your
battery by slowing down your processor's speed. Methods to reduce processor
speed vary from model to model, and your manual should provide instructions for
doing so.
Micromax Canvas LapTab
Micromax,
the popular Indian mobile and tablet brand, has started its CES 2014 campaign
with the unveiling of the Canvas LapTab tablet.The highlight feature of the
Micromax Canvas LapTab tablet is its Android Jelly Bean and Windows 8.1
dual-boot functionality.
As of now,
the company has not revealed the pricing details of the Canvas LapTab tablet
either. The company said the tablet device will go on sale in early February
via e-commerce portals and retail stores across India. The company has also
introduced a wireless keyboard cum protector sleeve for the tablet.
The Micromax
Canvas LapTab, first reported by Engadget, comes with 10.1-inch display with a
resolution of 1280x800 pixels. On the camera front, the tablet sports a
2-megapixel camera on both the rear and front panels. The tablet is powered by
a 1.46GHz Intel Celeron N2805 processor alongside 2GB of RAM. The Canvas LapTab
also comes with 32GB built-in storage, expandable by another 64GB. Other
specifications of the Micromax Canvas LapTab include a 7400mAh battery,
Bluetooth 4.0, Wi-Fi.An earlier report had suggested that Micromax has been
aiming at a global presence, with its upcoming high-end smartphones.
Google Glass available to Music All Access users
Google glass demo
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Google glass project price
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Google has reportedly given a chance to its
music streaming service subscribers to get a first-hand experience of its
latest wearable computing gadget Google Glass by skipping the public waiting
list. Google's Music All Access users can pay $1,500 for the hi-tech Google
Glass Explorers device. According to Cnet, the search giant is notifying users
of its All Access music streaming service through e-mail. Till now, the
controversial gadget had been provided to a team of Google Explorers as part of
its testing programme that included certain developers, contest winners and VIP
users. Google is expected to make a public rollout this year.
Nokia Lumia 1320 Launched in India
Nokia has
announced the Lumia 1320 phablet in India carrying a price tag of Rs. 23,999.
The phone will be available in Orange, White, Yellow and Black colours. The
Nokia Lumia 1320 features a 6-inch IPS LCD display with 720x1280 pixels
resolution and boasts Nokia's ClearBlack technology. The display has a pixel
density of 245ppi (pixels per inch). It is powered by 1.7GHz dual core Qualcomm
Snapdragon S4 processor along with 1GB of RAM.
The Lumia
1320 comes with 8GB inbuilt storage, which can be further expandable up to 64GB
with microSD card and in addition Nokia is also offering 7GB of SkyDrive cloud
storage. It sports a 5-megapixel rear camera with LED flash and features Nokia
Camera app. The Nokia Lumia 1320 runs Windows Phone 8 with Lumia Black and also
features third Live Tile in Start menu. The Nokia Lumia 1320 packs a 3400mAh
battery, which the company claims can deliver up to 672 hours of standby time
and up to 25 hours of talktime. Connectivity options on the phablet include
Wi-Fi, Bluetooth, 3G and USB 2.0.
Nokia Lumia 1320
Specification
v 6.00-inch
Display
v 1.7GHz
Processor
v 720x1280
pixels Resolution
v 1GB
RAM
v Windows
Phone 8 OS Storage
v 8GB
Storage
v 5-megapixel
Rear Camera
v Battery
capacity 3400mAh
Snapdeal Launches Free Same Day Delivery
Following in
the footsteps of Amazon India and Flipkart, online retailer Snapdeal has
launched its version of guaranteed same-day shipping, called 'Express
Delivery'. The service will initially only be available in Delhi-NCR
(specifically Delhi and Gurgaon), but will soon be expanded to cities such as
Bangalore and Mumbai.
Snapdeal's
Express Delivery service seems to be a little more limited than what is offered
by its counterparts, with the service only available on select products, which
will be marked prominently on the website. However, unlike its counterparts,
the Snapdeal Express Delivery service is free (for now) and offers same day
delivery, compared to next-day delivery offered by the likes of Flipkart and
Amazon.
Xolo LT900 Smartphone With 4G Support
Xolo has
officially launched its first smartphone with 4G support in India, the LT900 at
Rs. 17,999. The highlight of the Xolo LT900 is that it supports TDD LTE bands,
and is the first smartphone in company's LT smartphone series.
The
4G-enabled smartphone runs Android 4.2 Jelly Bean out-of-the-box and supports
single SIM (GSM) functionality. The Xolo LT900 is powered by a 1.5GHz dual-core
Qualcomm MSM8960 Snapdragon S4 processor with Adreno 225 GPU (clocked at 384
MHz), which are coupled with 1GB of RAM. It features a 4.3-inch HD (720x1280)
IPS display with One Glass Solution (OGS) and boasts of Corning Glass
protection. Xolo's LT900 sports an 8-megapixel rear autofocus camera with
dual-LED flash and BSI sensor, while it also houses a 1-megapixel front-facing
camera.
The smartphone includes 8GB of inbuilt storage
that is further expandable up to 32GB via microSD card. It packs an 1810mAh
battery which the listing claims can deliver up to 15 hours of talktime and up
to 362 hours of standby time on 2G networks. Apart from 4G network support,
connectivity options on the Xolo LT900 include Wi-Fi, Bluetooth, GPS/ AGPS and
3G. It comes with dimensions 128.7x66x9.8mm. The Xolo LT900 comes preloaded
with Skype, BigFlix, Kepplr Cloud Space and Airtel Mobile TV apps.
Xolo LT900 Specification
v 4.30-inch
Display
v 1.5GHz
Processor
v 720x1280
pixels Resolution
v 1GB
RAM
v 8GB
Storage Space
v OS
Android 4.2
v 8-megapixel
Rear Camera
v 1-megapixel
Front Camera
v Battery
capacity 1810mAh
Worlds first Transparent Dual Screen Tablet
The
tablet features a semi-transparent 7-inch 800 x 480 display and is expected to
hit the shelves by next fall.The tablet's both front and rear panels support
capacitive multi-touch input and run on a Cortex A8 processor and Android 4.2.2
Jelly Bean with 4GB storage that can be extended to 32 GB. The Grippity tablet
supports both Wi-Fi and Bluetooth, and also comes with IR blaster that allows
it to function as a remote control. Recently, Samsung also patented a
technology for a transparent touchscreen that would allow users to control the
device from both the sides.
Nokia Lumia 525
Nokia lumia 520
,
Nokia lumia 521
,
Nokia lumia 525 price
,
Nokia lumia 525 specification
,
Nokia lumia 625
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Nokia has announced the Lumia 525 in smartphone in India with price tag of Rs. 10,399. The phone will be available in Orange, White, Yellow and Black colours. The highlight of the Nokia Lumia 525 is 1GB of RAM, addressing the one complaint that many people had with the likes of Nokia Lumia 520, Lumia 620, Lumia 625 and Lumia 720, which had 512MB RAM. Other specifications of the Lumia 525 are identical to the Lumia 520. The company had unveiled the Lumia 525 globally in November this year, without availability and pricing details.
The Nokia
Lumia 525 runs Windows Phone 8 with the Lumia Black update. It features a
4-inch WVGA (480x800) IPS LCD display, translating to a pixel density of
235ppi. The Lumia 525 is powered by a dual-core 1GHz Qualcomm Snapdragon S4
processor alongside 1GB of RAM. It comes with 8GB of inbuilt storage, which can
be expanded up to 64GB with microSD card. The Lumia 525, much like other Nokia
Lumia smartphone, comes with 7GB of free SkyDrive cloud storage. It sports an
5-megapixel rear camera with no flash or front-facing camera. The primary
camera on the Lumia 525 features Nokia Smart Camera Cinemagraph lens, Panorama
lens, and Bing vision with other image tweaking options namely touch to focus,
landscape orientation, auto and manual exposure, and geo-tagging. The Nokia
Lumia 525 packs a 1430mAh battery which according to the company can deliver up
to 17 hours of talk time and up to 336 hours of standby time. Connectivity
options on the smartphone include Bluetooth, Wi-Fi, A-GPS, A-GLONASS and 3G
Nokia Lumia 525 Specification
v 4.00-inch
Display
v 1GHz
Processor
v 480x800
pixels Resolution
v 1GB
RAM
v 8GB
Storage
v Windows
Phone 8 OS
v Rear
Camera 5-megapixel
v
Battery capacity 1430mAh
Worlds first 4K Ultra-HD display laptops From Toshiba
All major
computing and mobile technology related firms have been making interesting
showcases of their upcoming products and technologies at CES 2014. Toshiba
unveiled what seem to be the world's first ever 4K laptops at the ongoing event
in Las Vegas. The two laptops, Tecra W50 and the Satellite P50t will not only
feature full 4K Ultra-HD displays but will also run the new Windows 8.1
operating systems. Pricing and availability were not revealed by the
company.While the target audience for the powerful devices are across a wide
segment, if reports are to be believed then the devices are a little on the
chunkier side, with the stunning display in tow.
The Toshiba
Tecra W50 is designed for professionals working with graphically-intensive
applications, packing an integrated NVIDIA Quadro K2100M graphics with 2GB
dedicated memory, fourth generation Intel Core processor, and a 15.6-inch 4K
Ultra-HD display (3840 x 2160), 282 PPI, colour calibrated display.
The second
on the list is the Satellite P50t, which features the same display and
resolution as the Tecra W50 and has an integrated touch functionality along
with it. It could be safer to assume that the device will be targeted towards a
more younger audience. The 4K Ultra-HD screen also features edge-to-edge glass
with vibrant colour, crystal clarity, and higher contrast. Both the Toshiba 4K
laptops will go on sale in the middle of 2014. The pricing of the devices
hasn't been revealed either. Toshiba might just charge top dollar for the two
devices, as industry pundits are predicting.
Samsung launches Galaxy Grand 2
Samsung has made Galaxy Grand 2, the follow
up to its successful Galaxy Grand Duos smartphone, official. The new handset
has a bigger high-definition screen, faster processor and more RAM compared to
its predecessor.
The smartphone is powered by Android 4.3
(Jelly Bean) and will have dual-sim functionality. The all-new Galaxy Grand 2 has a 5.25-inch HD
screen and 1.2GHz quad-core processor. It comes with 8GB internal storage, up
to 64GB microSD card support and 1.5GB RAM. On the back, it has an 8MP camera
with LED flash and sports a 1.9MP camera in front. Connectivity suite of Galaxy
Grand 2 includes 2G, 3G, Wi-Fi, Bluetooth 4.0 and microUSB 2.0. It is powered
by a 2,600mAh battery and the company claims that it can provide talk time of
17 hours.
The phone will be available in white, black
and pink colours in the market. Some of the proprietary apps that come
preinstalled in Galaxy Grand 2 are Story Album, S Translator, S Travel, Sound
& Shot, Samsung Hub, Samsung Link and Group Play. Samsung has not revealed
when the Galaxy Grand 2 will be launched.
Wickedleak Wammy Titan 3
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Wickedleak has announced the Wammy Titan 3
phablet at Rs. 16,990 for the Indian market. The Wammy Titan 3 phablet runs
Android 4.2.1 Jelly Bean. It is a dual-SIM device with support for GSM+GSM. The
smartphone features a 5.7-inch full-HD (1080x1920) IPS LCD display and boasts
of a pixel density of 390ppi. It is powered by a quad-core MediaTek 6589 Turbo
processor clocked at 1.5GHz, and coupled with a PowerVR SGX544MP GPU and 1GB of
RAM. The Wammy Titan 3 phablet sports a 13-megapixel BSI sensor rear camera
accompanied by a LED flash, and also includes a 5-megapixel camera in front. It
bears 16GB inbuilt storage, which is further expandable up to 64GB via microSD
card. Connectivity options on the
Wickedleak Wammy Titan 3 include Bluetooth, Wi-Fi, Micro-USB and 3G. The Wammy
Titan 3 comes with dimensions 157x81.5x7.9mm and packs a 3200mAh battery. The
phablet includes a host of sensors, namely a gravity sensor, proximity sensor,
light sensor, magnetic sensor, gyroscope, and magnetic sensor. The Wammy Titan
3 will be available in two colour variants - Black and White.
Wammy Titan 3
Specifications
· 5.7-inch
full-HD LCD display
· 1.5GHz
quad-core Turbo processor
· 1GB of RAM
· 16GB inbuilt
storage, expandable up to 64GB
· 13-megapixel
rear camera
· 5-megapixel
front camera
· Dual-SIM
· Android 4.2
Jelly Bean
Micromax A77 Canvas Juice
Micromax has officially unveiled the A77
Canvas Juice phablet in India, listing it on its official website. However, the
Indian handset manufacturer has not revealed any details about the price and
availability of the A77 Canvas Juice. Earlier this week, the Micromax A77
Canvas Juice was listed at an ecommerce website for Rs. 7,999. The Micromax A77
Canvas Juice runs Android 4.2 Jelly Bean and is a dual-SIM phablet with support
for GSM+GSM lines and dual standby.
It features a 5-inch FWVGA display with
480x854 pixels resolution. The phablet is powered by a dual-core 1.3GHz
MediaTek 6572 processor along with 1GB of RAM. It sports a 5-megapixel
autofocus rear camera accompanied by an LED flash and also includes a VGA
front-facing camera. It comes with 4GB of inbuilt storage, which can be
expanded up to 32GB with the help of a microSD card. The Micromax A77 Canvas
Juice packs a 3000mAh battery, which as per the online retailer's listing, can
deliver up to 10 hours of talktime and up to 282 hours of standby time. Connectivity
options on the Micromax A77 Canvas Juice include Bluetooth, Wi-Fi, GPRS, EDGE,
GPS/ AGPS and 3G. The Canvas Juice measures 150.5x76.2x10.2mm and weighs about
100 grams.
Micromax
A77 Canvas Juice Specifications
Ø 5-inch FWVGA
display
Ø 1.3GHz
dual-core processor
Ø 1GB of RAM
Ø 5-megapixel
autofocus rear camera
Ø VGA
front-facing camera
Ø Dual-SIM
Ø 4GB inbuilt
storage, expandable up to 32GB
ØJelly
Bean
Ø 3000mAh
battery
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