a) Operating system is a part of computer system software program. The operating system acts as an interface between hardware and software. It contains instruction that work together to coordinate every file, device, main memory and processing time. It includes 4 essential subsystem managers which is memory manager, processor manager, device manager and file manager.
The basic functions of operating system:
- Managing Resource: OS take the responsibility of manage the computer’s resource, such as choosing most efficient resource allocation methods and deallocating the device. At the same time, OS also need to allocate the resource fairly and based on the priority of the program.
- Providing User Interface: Graphical user interface (GUI) is a part of the operating system that create to allow the users who not expert in IT field can use the operating system without …show more content…
They sported names like Donut (1.6), Éclair (2.0/2.1), Froyo (2.2), Gingerbread (2.3), Honeycomb (3.0/3.1/3.2), Ice Cream Sandwich (4.0), Jelly Bean (4.1/4.2/4.3) and KitKat (4.4) in 2013.
Differences between iOS and Android:
Call Features: Android enables the client to send one of various self-formed messages as autoreplies while declining a call. iOS's phone application has numerous capacities, including the capacity to answer to a phone-call with a canned instant message as opposed to replying, or to set a call-back reminder. It likewise has a Do Not Disturb mode.
Messaging: Android enables clients to sign onto GTalk for instant messages. iOS does not offer a local approach to chat to non-Apple users. users can message over Apple user utilizing iMessage or utilize applications from Google for GTalk and Microsoft for Skype.
Video Chat: Google Hangouts on Android can likewise be utilized for video chat, enabling users to visit over either 3G or Wi-Fi. iOS utilizes Facetime, which can put video brings over both 3Gand WiFi. Nonetheless, it just enables users to communicate with other Apple
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The Operating system is one most important parts of anything that runs on technology. It manages the computers memory and processes the information for the software and hardware. There is different operation system for pc, tablets, smart cars, and smartphones.
A computers operating system (OS) is the core of the computer and is more than just software. The OS controls the computer’s memory and processes as well as its hardware and software. It is the brain of the computer. Software applications on the other hand perform a certain task. Ex. Google Chrome provides internet and Adobe allows PDF files to be read (among other things). The OS is what makes all of these applications work successfully and accomplish whatever the application is designed to accomplish.
Smartphones are overtaking the technology world by making it easier for people to communicate with each other every day; and everything they need to do can be done right on their smartphones. Instead of having to use cameras to take pictures, computers to send emails and to play games it all can be done on one simple device; the smartphone. A big debate that still has not been settled is whether iPhones are better or if Samsungs are better. Most people would say iPhones are better than Samsungs, however, Samsungs are the better smartphones. While both phones meet the basic phone requirements such as calling and texting, Samsung is better because it does everything the iPhone can and more. However, Samsung does a better job at meeting people’s needs because it has everything the iPhone has plus more. Samsung is a better phone than the iPhone because it can set custom ringtones for different phone contacts, it also encourages multitasking with apps which allows work to get done faster, and an ID is not needed to call or text people. This is important because people will know when to pick up the phone based on the ringtone that has been assigned to a specific person.
Technology has provided us with several different ways to be in contact with our friends and family all over the world. There are many apps we can use such as Skype, Whatsapp, and Oovoo. All of these are used to text, call and video chat. It is a simple way to interact, and is used by millions of people all over the world. It is the magic of technology that makes it easy to be able to video chat and see our friends or family face to face without being in the same room. With online video chat it gives you a quick way to perform business meetings with different countries, or to meet and engage with new people and their
This good for keeping friendships active and also for business and planning. More than two people can communicate synchronously. If this is done by phone, it is called a teleconference, and is used for business meetings and lectures, when people are in all sorts of different locations. This can also be done with videoconferencing or Skype. Instant messaging can also be done with groups, so that quite a number of people can all communicate together at the same time.
The OS is the most important program that runs on the computer. Every computer needs an Operating System to be able to run programs and applications. The basic tasks the Operating System is responsible for includes; recognising inputs from the keyboard, displaying output to the screen, controlling peripheral devices, and keeping track of files and directories. Another purpose of the Operating System is also responsible for security, so that unauthorised access is denied.
When Apple first released the first iPhone is had a basic set up for their users to understand the software, ever since the first iPhone became famous every iPhone after that has had the same basic structure of software, but after every new iPhone they release they also improve the speed processor and other problems they find with the latest model iPhone (under the hood).. A pro to the iPhone that had everyone waiting overnight for is the Apple 's iMessage, which allowed the carrier to see when their message was delivered and read by the receiver (under the hood). That was something Android and any other smartphone didn 't provide, it was the new and improved.
Skype is a video chat program that allows you to chat with people who have the program as well. This program easy to use and set up. There is the option of a video call or just an audio call. The program allows you to conference call with up to 25 people. It take a few minutes to download the program but works on PC and mac systems. People can send questions through the chat sections of the program.
In addition to telephony, modern mobile phones also support a wide variety of other services such as text messaging, MMS, email, Internet access, short-range wireless communications (infrared, Bluetooth), business applications, gaming and photography. Mobile
Another similarity between the iPhone and Android are their features. For example, both include a high-resolution camera and MP3 player. In terms of connectivity, they both allow 3G, 4G, and Wi-Fi connection. Like all modern smart phones, they are both based on very similar downloadable applications, and both include a very similar app store. Like the iPhone, the Android also includes a similar notification center, allowing users to view a log of missed calls, text messages, and other notifications from apps.
You can evaluate iPhone and Android devices from countless angles, so rather than pretend that we've got the One True Comparison, it only seems appropriate to highlight that we're not necessarily your average user. For more specifics on how we judge these devices, read this footnote.
However, linking all this back to my past life, before all this apps came in place and smart phones, the only device I had then was a mobile phone which only allowed me to send text messages and call and I recall the only app which I was familiar with was hi 5 and chat rooms, the device used were computers and where only accessed through the internet café.
Operating systems use processes to execute the system code, which executes and runs the main programs to process and operate the computer. Operating systems may use the state of a process in different ways. A process