Human Computer Interaction (HCI)

Human Computer Interaction (HCI)

HumanComputer Interaction (HCI)


HumanComputer Interaction (HCI)

Peoplehave been interacting with computers for a long time, therefore,computer technology has affected many aspects of human lives in everycorner of the world. Such technology has evolved over time leading tobetter lifestyles. However, advanced computer systems technology isworthless unless used properly by humans. HCI represents theinteraction of human beings with computers. Different users interactdifferently with computers. This essay discusses the importance ofHCI and the changes that have occurred in HCI to ensure that theneeds of different users are considered in computer systems. It alsotouches on the use of speech recognition as a HCI tool.

HCIrefers to the study of the interaction between human beings andcomputers. It deals with production of a fit between the computer andthe user to meet a certain goal through studying the factors thatdetermine how people use computers. It uses this knowledge to deviseefficient, effective, usable, and safe computer systems for everyone(Te’eni et. al., 2007). According to Te’eni et. al.(2007), “HCIis important in helping to design clear, intuitive computer systemsthat can easily be used by people.” In the early computing days,computers were only used in big industries and could only to beoperated by highly trained and skilled personnel. In modern days,computers are available to the majority of the people. Those withoutcomputers are also affected in many aspects, for example the use ofATM machines, buying train tickets from vending machines, and use ofdrinks dispensers. HCI, therefore, ensures the creation systems thatare safe, usable, and easily understood by people since training allof them is not possible.

HCIalso promotes the production of computer systems that perform a widerange of tasks. It ensures that computer users without any formaltraining have abilities perform complex tasks with expertise. Thisreduces the amount of work needed and the expenses used in trainingspecialist to perform such complex tasks (Te’eni et. al., 2007). Itensures that complex tasks are completed with ease and speedincreasing reliability. As a result, well designed, usable systemspromote staff work satisfaction promoting productivity in businessand industries.

HCIensures that minority groups such as the old are able to use computerservices. According to Goodman et. al. (2009), the main philosophy ofHCI is to provide safe, usable, and efficient systems for allincluding those with certain challenges. HCI considers people such asthose with disabilities and designs computer systems that arefriendly to them by applying user-centered techniques. Therefore, HCIensures equality in the utilization of computer systems.

HCIdeveloped as a distinct discipline in 1980 from its original term‘Man-Machine Interaction (MMI)’. In 1990, developments in theGraphical User Interface (GUI) led to the production of personalcomputers that did not need specialist training (Te’eni et. al.,2007). Computer companies marketed computers using a user friendlyapproach since it was known how they were hard to use. This promptedresearch on how to make computers that addressed the diverse needs ofthe people. The research yielded better productivity applicationssuch as auto-correct editors of texts and interactive games. Variouslanguage platforms developed to help people to use computers in theirpreferred languages. Computer graphics and input devices relying onvision made computer use, easy for a wide variety of individuals. Theintroduction of the cursor and keyboard made navigation easy as wellas input of information in the computer.

Thegeneration of haptic devices through HCI ensured that the needs ofthe disabled in using computer systems were addressed. These devicesare able to generate sensations felt through the skin and muscleswhen touched. Therefore, they enabled the installation of disabilityassistive application to help the disabled (Goodman et. al, 2009).Finally, the recent methods, advanced are more complex. Wearable andwireless devices make portability easier for various groups such assoldiers. Personal Digital Assistants, virtual keyboards, and GPSnavigation systems are all examples of recent advances in HCI topromote human use of machines.

Speechrecognition is another HCI advancement that falls under audio basedHuman Computer Interaction. The computer is designed to mimic humanspeech and transforms spoken word of a command through its speech totext processor. According to Deustsch (2014) “Speech recognitionis useful in ensuring that people with disabilities limiting them touse the keyboards use computer systems as well.” It is also used bypeople with jobs that occupy the hands, therefore, enabling computeruse at the same time. Speech recognition is a faster than typingthough, has more errors resulting from inaccurate recognition ofcommands (Deustsch, 2014).

Advancedspeech recognition software can assess the emotions using the tone,rhythm, and volume of sound. Voice recognition interfaces arecurrently being used in phones, TVs, and cars. The advancedtechnology assists machines to understand the human speech and actaccording. Servers and call centers, help navigate the menus and helpcustomers experiencing difficulties (MIT, n.d).

Inconclusion, HCI is an important area in the life of people. It hasfacilitated the interaction between humans and computers leading tothe acceptance of computers for personal use. HCI has also promotedthe use of computers by people with disabilities which was notpossible. In addition, HCI has led to the performance of complextasks by the general public. Therefore, research on how to developvarious better easy to use computer systems should continue forbetter interactions.


Deustsch,S. (2013, November 12). 10 Steps for evaluating and deploying a voicesolution in an omnichannel order fulfillment environment. SpeechTechnology. Retrieved from

Goodman-deane,J., Keith, S., &amp Whitney, G. (2009). HCI and the olderpopulation. Universal Access in the Information Society, 8 (1),1-3. Available in the Trident Online Library.&nbsp

MITTechnology Review. Where speech recognition is going. Retrieved from

Te’eni,D., Carey, J. M., &amp Zhang, P. (2007). Human-Computer Interaction:Developing Effective Organizational Information Systems. Chapter 3.[PPT file]. John Wiley and Sons, Inc. Retrieved from