iOS 4.2.8 vs 4.2.9 Apple has released a software update for CDMA iPhone 4 (Verizon iPhone 4) on 18 July 2011. The update is an add on to iOS 4.2.5 through iOS 4.2.8. The latest iOS version for iPhone 4 (CDMA) is iOS 4.2.9. The software update is issued to fix the security vulnerability associated […]
Difference Between iOS 4.3.3 and iOS 4.3.4
iOS 4.3.3 vs iOS 4.3.4 | Apple iOS 4.3.4 Features and Performance Apple has released an update for iOS software on 18 July 2011. The update is for iOS 4.3. The latest iOS 4.3 version is iOS 4.3.4. The software update is issued to fix the security vulnerability associated with viewing malicious PDF files. With […]
Difference Between POS and Barcode Reader
POS vs Barcode Reader Both POS and Barcode Readers are used where a transaction involves in supermarkets, retail stores or restaurants. POS (point of sale) is an entirely computerized system that basically manages the selling process at the storefront, it also facilitates to create and print the bills for customers. Barcode Reader is an electronic […]
Difference Between HP webOS and Blackberry QNX
HP webOS vs Blackberry QNX HP webOS is a proprietary mobile operating system developed by HP. Blackberry QNX is the Blackberry Tablet OS owned by Research In Motion, the famous Blackberry company. Out of the two operating systems, Blackberry QNX is the newer member in the tablet competition. The following article focuses on the similarities […]
Difference Between Lenovo IdeaPad Tablet K1 and Thinkpad Tablet
Lenovo IdeaPad Tablet K1 vs Thinkpad Tablet Lenovo, which is the third largest PC maker in the world had been lying low for quite some time but has come back with a bang announcing two latest Android based tablets, sensing opportunities in this segment. The two tablets are named IdeaPad and Thinkpad, and both being […]
Difference Between Diode and SCR
Diode vs SCR Both diode and SCR (Silicon Controlled Rectifier) are semiconductor devices with P type and N type semiconductor layers. They are used in many electronic switching applications. Both devices have terminals called ‘anode’ and ‘cathode’ but SCR has an additional terminal called ‘gate’. Both these devices have application dependant advantages. Diode Diode is […]
Difference Between Symmetric Key Encryption and Public Key Encryption
Symmetric Key Encryption vs Public Key Encryption Cryptography is the study of hiding information, and it is used when communicating over an untrusted medium such as internet, where information needs to be protected from other third parties. Modern cryptography focuses on developing cryptographic algorithms that can encrypt data so that it is hard to break […]
Difference Between Jet Engine and Rocket Engine
Jet Engine vs Rocket Engine The jet and rocket engines are reaction engines based on Newton’s third law. Rocket engine is also a jet engine with few specific variations between the two. The thrust of the two is from the speed of the exhaust of the engine. The exhaust of a rocket engine reaches the […]
Difference Between HP webOS and Apple iOS
HP webOS vs Apple iOS | webOS 3.0 vs iOS 5, Features, Performance HP webOS and Apple iOS are both well known mobile operating systems available in modern smart phone devices. webOS is the successor of the famous Palm OS, it’s currently owned by HP. iOS is the mobile operating system of Apple, however the […]
Difference Between IGBT and Thyristor
IGBT vs Thyristor Thyristor and IGBT (Insulated Gate Bipolar Transistor) are two types of semiconductor devices with three terminals and both of them are used to control currents. Both devices have a controlling terminal called ‘gate’, but have different principals of operation. Thyristor Thyristor is made of four alternating semiconductor layers (in the form of […]
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