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ممتاز حسین

ممتاز حسین
ممتاز شیریں پاکستان سے تعلق رکھنے والی اردو کی پہلی خاتون نقاد، تانیثیت کی علم بردار، افسانہ نگار، مترجم اور ادبی مجلے نیا دور کی مدیر تھیں۔ممتاز شیریں 12 ستمبر 1924ء کوہندو پور، آندھرا پردیش، برطانوی ہندوستان میں پیدا ہوئیں۔ ممتاز شیریں کے نانا ٹیپو قاسم خان نے اپنی اس نواسی کو تعلیم و تربیت کی خاطر اپنے پاس میسور بلا لیا۔ اس طرح وہ بچپن ہی میں اپنے ننھیال میں رہنے لگیں۔ ممتاز شیریں کے نانا اور نانی نے اپنی اس ہو نہار نواسی کی تعلیم و تربیت پر خصوصی توجہ دی۔ وہ خود بھی تعلیم یافتہ تھے اور گھر میں علمی و ادبی ماحول بھی میسر تھا۔
ممتاز شیریں ایک فطین طالبہ تھیں انہوں نے تیرہ (13)برس کی عمر میں میٹرک کا امتحان درجہ اول میں امتیازی حیثیت سے پاس کیا۔ ان کے اساتذہ ان کی قابلیت اور خداداد صلاحیتوں کے معترف تھے۔1941ء میں ممتاز شیریں نے مہارانی کالج بنگلور سے بی اے کا امتحان پاس کیا۔1942ء میں ممتاز شیریں کی شادی صمد شاہین سے ہو گئی۔ ممتاز شیریں نے 1944ء میں اپنے شوہر صمد شاہین سے مل کر بنگلور سے ایک ادبی مجلے "نیا دور" کی اشاعت کا آغاز کیا۔ اس رجحان ساز ادبی مجلے نے جمود کا خاتمہ کیا اور مسائل ادب اور تخلیقی محرکات کے بارے میں چشم کشا صداقتیں سامنے لانے کی سعی کی گئی۔ صمد شاہین پیشے کے اعتبار سے وکیل تھے۔ انھوں نے وکالت کے بعد ڈاکٹریٹ کی ڈگری حاصل کی اس کے بعد وہ حکومت پاکستان میں سرکاری ملازم ہو گئے۔ وہ ترقی کے مدارج طے کرتے ہوئے حکومت پاکستان کے بیورو آف ریفرنس اینڈ ریسرچ میں جوائنٹ ڈائریکٹر کے منصب پر فائز ہوئے۔
ممتاز شیریں نے زمانہ طالب علمی ہی سے اپنی صلاحیتوں کا لوہا منوا لیا۔ ان کی سنجیدگی ،فہم و فراست ،تدبر...

An Appraisal of the Degree of School Effectiveness among Secondary Schools of Zamfara State, Nigeria

This study was conducted purposely to assess the degree of school effectiveness among public secondary schools of Zamfara State, Nigeria. In order to achieve this fundamental objective, one research question was formulated. A descriptive survey research design was adopted in the study. Population of the study comprised the entire 2361 classroom teachers deployed in the 158 public secondary schools of Zamfara State-Nigeria. From the population of the study, a sample size of 266 teachers was extracted using a ‘Multistage Random Sampling Technique’. A semi-structured questionnaire developed by Lezzote and Snyder (2011) on a five Likert type scale instrument with 21 items was employed as an instrument for data collection. The instrument composite reliability was computed using Cronbach’s alpha method and obtained the value of .949. All data covered in the study were collected through a field survey approach. Analytically, the current study discovered that, the degree of school effectiveness was at a high extent with mean score (M=3.68, SD=0.15). Based on this finding, the paper recommends that, stakeholders in educational sector comprising government’s ministries, departments and agencies, policymakers, secondary schools’ principals, instructional teachers as well as the learners and their parents/guardians should reciprocally work together in the process of appropriate perpetration and advancement of effective school system and its practices.

H Ardware S Oftware D Istributed Rtos a Rchitecture F or M Ultiprocessor B Ased R Eal T Ime H Igh D Ensity M Edia a Pplications

Designing RTOS for multiprocessor based system and partitioning the design into hardware and software is the paradigm for the high-end systems evolving to support computation-intensive applications. In this thesis, RTOS is presented that is amalgam of distributed software scheduler and dynamically scalable hardware switch capable of performing all kernel tasks in real time and at wire speed and consequently, minimizing software related scheduling overheads and optimizing resource utilization. Key components of the research output are software framework for mapping high density media applications on multiprocessor based system, its corresponding multilevel scheduler design and design of programmable hardware switch to optimize resource utilization and enhance system performance. In the developed multiprocessor based system, heterogeneous multiprocessors are arranged as Arrays of inter-connected pipelines giving rise to a modified pool-of-pipelines architecture or two dimensional tightly coupled matrix architecture, having scalable, distributed processing and memory capabilities through a plurality of processing elements. The hardware software distributed architecture improves the application optimization, mapped on this multiprocessor based system, by enhancing execution time and minimizing processor idle time, while reducing design complexity and interface problems. RTOS architecture exploits parallelism both in the system application environment and in the distributed computing occurring in the hardware. Based on the type of service, the processes are divided into sub tasks and distributed onto multiple Processors, which are programmed to operate on a set of data, in a certain sequence and in a particular time slot. - 7 -The sequence is maintained by the instruction format of hardware RTOS and the time slot is predicted by the configurations set by the user. Application pipelining framework is presented in the software part of RTOS to exploit parallelism in media application, based on the concept of components or task model, similar to instruction pipelining in the Processor. To meet the constraints and characteristics of the defined framework, two level scheduling policy is adapted. Fixed- Priority Preemptive scheduling algorithm is used at the First-level. For Second-level various scheduling algorithms have been evaluated and analyzed offline and implemented in the software. Heuristic based algorithm is recommended as Second-level algorithm for media application to maintain QoS. The hardware RTOS, called Switch, is implemented as a programmable processor with dedicated program cache. It performs all RTOS kernel tasks in real time and facilitates inter-processor exchange of data, communication or synchronization, deadlock avoidance and exchange of data with external shared memory, thus, enhancing performance and minimizing Processors idle time. The RTOS supports hardware scalability to cater for high to very high density applications and incorporates scalable scheduling and resource management
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