your argument. Nowadays technology is so developed that people have the opportunity to use improved computers, labour saving devices and many other items, thus making their lives easier. We have more leisure time for taking a rest, partaking in some sports, listening to music and playing a variety of computer games etc,. Computers have also had a positive influence on children. Computer games can encourage children to think much more about themselves, and gain valuable experience which is
Words: 334 - Pages: 2
are: Making sure the data is accurate, complete and secure. also must have a good quality and gets entered in timely manner. An input device is any piece of hardware that provides data and controls various signals as they process through computer. if a computer did not use any input devices, users would watch the activity, as opposed to interacting with it. Each type of input device serves its own purpose, ranging from a simple pointing device to a webcam. Since there is always a human factor involved
Words: 946 - Pages: 4
facts and figures that are processed and outputted in the computer INFORMATION – is made into data, put into the computer where its stored and processed as data ADVANTAGES : 1. they allow people accross the globe to communicate with each other 2. they allow people to look up information directly 3.Backup copies of works can be made easily DISADVANTAGE 1. People sometimes spend all time secluded in theirs room on the computer 2.Pedophiles on chat rooms 3.Easier to copy people homework
Words: 441 - Pages: 2
that can easily be customized to each users preferences. Two avenues in technology to explore are the mainframe and the PC which sets the tone and is the foundation of what technology can bring into the next millennium. Mainframes are a digital computer that is designed for high speed data processing through the heavy use of input/output units such as large capacity disks and printers. The industrial era relied heavily on manpower to satisfy consumer needs. But as time wore on the consumer demand
Words: 1100 - Pages: 5
For over a decade, the concept of cyber warfare (computer warfare) has bee embedded i military doctrine. I 2000 the Defece white paper stated a ambition to repond to cyber warfare attacks. The 2007 Defence Update went further by calling for a focus on 'cyber warfare' to protect 'national networks and deny information'. The most recent Defence White Paper in 2009 also announced a 'major enhancement of Defence's cyber warfare capability...to maximise Australia's strategic capacity and reach in this
Words: 571 - Pages: 3
Makeba Dower Computer Structure and Logic Port Expander . By, definition on Wikipedia.com a port expander is considered a magician because it can be any device that exists or onboard port becomes two or more. It dwells inside and outside the pc allowing more than one device to connect to a single port a computer. There are two basic types internal and external; the internal is usually on the motherboard that is seen on the expansion plate of multiple ports, an external device plugs into the
Words: 610 - Pages: 3
what a port expander is and what it does. “ A port expander is a hardware device designed to allow a user to utilize more than one device on a single port at one time. For example, the device may allow seven devices to connect to one serial port.”(Computer Hope, 2016) It still didn’t make much sense to me, even after reading about it. As I went along finding more information, the more sense it made. What I found about this item is that additional ports receive and send data into a parallel format
Words: 466 - Pages: 2
Chapter 1 Introduction 1.1. Introduction An ad hoc network is a collection of nodes that communicate with one another without any fixed networking infrastructure. This is viewed as suitable system which can support some specific applications as virtual classrooms, military communications, emergency search and rescue operation, data acquisition in hostile environments communication set up in exhibitions, conference and meetings, in battle field soldiers to co ordinate defense or attack , at airport
Words: 4647 - Pages: 19
Fundamentals of MIS 1. What is computer hardware? What are the different parts of hardware? Discuss. Answer: Computer hardware is the collection of physical elements that comprise a computer system. Computer hardware refers to the physical parts or components of computer such as monitor, keyboard, hard disk, mouse, etc. Refers to objects that we can actually touch, like disks, disk drives, display screens, keyboards, printers, boards, and chips. In contrast, software is untouchable. Software
Words: 5701 - Pages: 23
the world. Information can be sent to a computer then the information can be saved on a disk or on your hard disk so that you will be able to access the information either now or years from now. Electronic communication can become ineffective when the security becomes breached. There are people who hacks computer systems for a living which can mess up your computer. The hackers can put a viruse in your email and when you open it your files and computer becomes infected. Different types of viruses
Words: 473 - Pages: 2
