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A Sales and Inventory System

Thesis Info

Author

Aneela Riazuddin

Department

Deptt. of Computer Sciences, QAU.

Program

MSc

Institute

Quaid-i-Azam University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

1994

Thesis Completion Status

Completed

Page

49

Subject

Computer Sciences

Language

English

Other

Call No: DISS/M.Sc COM/357

Added

2021-02-17 19:49:13

Modified

2023-01-08 02:57:10

ARI ID

1676715366843

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بیاضِ دل سے

بیاضِ دل سے
بلاشبہ شاعری مجھے وراثت میں ملی ہے ۔ میرے والد مرحوم مغفو ر (عمر بخش) نوحہ اور مرثیہ کے شاعر تھے۔ گویا میں نے شعر اور شاعری کی آغوش میں آنکھ کھولی۔ جیسے جیسے وقت گزرتا گیا میرا ذوق و شوق پختہ ہوتا چلا گیا۔ میں نے آٹھویں جماعت میں ۱۹۸۲ء میں فاضلکا اسلامیہ ہائی سکول پاک پتن میں داخلہ لیا تو ہمارے اس سکول میں ادبی سرگرمیاں اس دور میں عروج پر تھیں۔ ہمارے اُردو کے اُستاد جناب شریف ساجد صاحب تھے ۔ آپ صر ف اُستاد ہی نہیں تھے بل کہ اُردو شاعری کا ایک حوالہ تھے۔ ان کا اندازِ تعلیم تعلم انتہائی شاعرانہ تھا جس سے میرے ادبی ذوق کو بے پناہ جلا ملی۔
جب میں میٹرک تک پہنچا تو اُس وقت تک میں تھوڑے بہت قافیے ملانے لگ گیا تھا۔ ان دنوں حضور بابافریدالدین مسعود گنج شکرؒ کا عرس تھا تو کسی حوالہ سے حضرت پرنم الٰہ آبادی ہمارے ہاں ٹھہرے۔ ان دنوں آپ کی لکھی گئی قوالی ’’بھردو جھولی میری یا محمدؐ ‘‘ کا ملک کے طول و ارض میں بہت شہرہ تھا۔ بنا بریں مجھے اُن کی خدمت کا شرف حاصل ہوا اور تقریباً ہفتہ دس دن اُن کی قربت نصیب رہی۔ لہٰذا میں نے موقع کو غنیمت جانتے ہوئے اُن کو اپنے ٹوٹے پھوٹے اشعار دکھائے اور اُن سے ابتدائی اصلاح لی۔
۱۹۹۱ء میں حلقہ اربابِ فرید پاک پتن ادبی تنظیم کی بنیاد رکھی گئی جس کے پہلے صدر قادر الکلام شاعر جناب منیب برہانی تھے اور پہلے جنرل سیکرٹری تنویر عباس نقوی تھے۔ مجھے اس تنظیم کا پہلا فنانس سیکریٹری منتخب کیا گیا۔ کتاب ہذا میں اس دور سے اب تک کا کلام شامل ہے۔
لہٰذا مجھے اس پلیٹ فارم پر قطب الدین چشتی ، طالب شاکر، حاجی شفیق خاکی، محترمہ یاسمین برکت، رانا...

Islamic View of Leadership in the Perspective of the Article 62 and 63 of the Constitution and Ideological Orientations of Pakistan

There is a plenty of discussion upon the articles 62 and 63 of the constitution of Islamic Republic of Pakistan. Liberal groups deem Islamic clauses of the constitution particularly pertaining to the articles as unnecessary. On the other hand, conservative journalists and right wing social activists are raising their voices in the favor of these articles. Pakistan was established in the name of Islam. This research work is an attempt to have a glance on the Islamic view of leadership keeping in view the clauses of these two articles.

Sla-Aware Energy Efficient Resource Management for Cloud Environments

Cloud Computing has emerged as one of the leading computational paradigms in recent times. It provides online services to customers using pay-as-you-go model and enables customers to outsource large and complex tasks to cloud data centers for remote execution and storage. As these large data centers provide basic resources to hosted tasks, they also consume a huge amount of energy, which leads to not only higher operating cost but also a large carbon footprint. Consequently, researchers proposed number of solutions to handle the aforementioned issues, and majority of these solutions are based on resource consolidation approach. Resource consolidation based techniques attempt to place the incoming tasks on minimum possible servers, thereby increasing the resource utilization and decreasing energy consumption. However, in case of fluctuating workloads, which is encountered regularly in cloud computing, aggressive consolidation increases the risks of Service Level Agreement (SLA) violations due to nonavailability of resources. Therefore, the focus of research has shifted towards SLA-aware energy-efficient solutions that attempt to reduce energy consumption and SLA violations simultaneously. In this work, improved resource management solutions are presented that attempt to reduce energy consumption while keeping down the SLA violations at the minimum. This research improved the existing energy-efficient techniques to further enhance their performance while introducing SLA-awareness. In the proposed solutions, lower and upper thresholds are used to identify the under-utilized and overutilized servers, respectively. In this research, five existing techniques are modified, namely; Best Fit Decreasing (BFD), Enhanced-Conscious Task Consolidation (ECTC), Maximum Utilization (MaxUtil), Power and Computing Capacity-Aware BFD (PCABFD), and Energy-aware and Performance per watt Oriented Best Fit (EPOBF). Moreover, the work also presents four novel SLA-aware energy-efficient resource management and workload consolidation techniques, namely; (1) Minimum Energy BFD (MEBFD), (2) Maximum Capacity BFD (MCBFD), (3) Available Capacity and Power (ACP) based technique, and (4) Required Capacity and Power (RCP) based technique. These techniques attempt to reduce energy consumption by using workload consolidation approach, wherein; thresholds are used to keep some of the resources free for handling workload fluctuations to avoid SLA violations. Moreover, a Pareto-Efficient Technique (PET) is proposed that explores the solution space in two dimensions (energy consumption and SLA violations). Further, a Behavior based Energy and SLA-aware Technique (BEST) is proposed that monitors the behavior of VMs and optimizes VM placement accordingly. In addition to resource allocation techniques, an SLA and Power-Aware VM (SPAVM) migration technique is proposed that does not migrate the VM instantly. Instead, SPAVM waits for a given period of time, and the VM is migrated to another server only if during that period VM resource demand doesn’t lower further. Alternatively, if the demand lowers then the VM is not migrated. Consequently, along with the number of migrations, power consumed on VM migrations is also reduced and SLA violations are dealt with by using the thresholds. In addition, this research presents two dynamic threshold mechanisms: (1) Exponential Smoothing based Threshold (EST) mechanism and (2) Moving Average based Threshold (MAT). Formal modeling and verification of the proposed techniques using Petri nets have been conducted. The extensive evaluation process is followed to analyze the performance of proposed techniques. Experimental results indicate that the proposed techniques improve both the energy efficiency and SLA-awareness as compared to recent techniques in literature. Techniques presented in this thesis can be used by the IT companies that have large data centers to process user''s data and tasks. The proposed solutions can help large cloud service providers in reducing energy expenditure while avoiding SLA violations leading to an increase in profitability.