Covid-19 proved and pandemic that has affected the whole world on a large scale. Every walk of life got disturbed by this pandemic. Educational institutions not only in Pakistan but all over the globe remain close, which causes a loss of study for the students of all Grades, notably Higher education (Postgraduate Level), which directly affected education, learners,  and teachers in terms of learning, time, and economically. Virtual Teaching (VT) is proving an emerging method of teaching in the field of education all over the world. Developed countries have opted for this method of teaching much before. In Pakistan, universities under the directions of HEC started Virtual Teaching VT (Online Teaching) for the students, which was an attempt to cover the loss on an experimental basis. This study is conducted to know the impact of VT on ESL students' behavior. For this purpose among 100 students of KFUEIT, RYK University distributed a questionnaire to measure their behavior level. Students' participation was inspiriting, and their response found positive in this new field of Teaching.

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In this paper we describe adaptations to the classical Extreme Programming (XP) process. The approach described integrates HCI (human computer interaction) instruments. The implemented HCI instruments are: user studies, extreme personas (a variation of the personas approach), usability expert evaluations, usability tests, and automated usability evaluations. By combining XP and UCD (user centered development) processes we take advantages of both approaches.

Mobile phones have become full-featured mobile computers. Applications providing good user experience and taking full advantage of the increasing capabilities of mobile phones are still rare. One such application is audio and video on mobile phones which is expected to become a killer application in the near future. A lot of valuable audio and video content is hidden in archives of content providers. We are developing an application that enables a user to perform content-based search for audio and video content in large databases and play it on a mobile phone virtually anywhere, at any time. Our approach to application development focuses on the adoption of agile software development methodologies and user-centered design, emphasizing iterative user-interface development involving usability engineers and non-technical users. Thus, the application evolves according to the needs of the end user, providing maximized usability and customer satisfaction.

English is considered a language of communication as well as language of fashion and status in Pakistan. For last some decades, it is being taught in different institutions to meet specified academic and professional needs of learners. As far as medical profession is concerned, doctors need English language during their academic studies as well as in their professional settings. The study investigated the communicative needs of doctors at academic and professional level in survey based research. The data was collected, analyzed and interpreted quantitatively by administering questionnaire among medical students and doctors. The findings revealed that there is huge gap between the acquired competencies of doctors with their desired level of English proficiency skills. Majority of the respondents stressed upon the need to introduce English language courses and workshops for medical students and doctors respectively, so that they may fulfill their communicative needs in effective way.