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Detecting Null Cipher Steganography in Plain Text Using Probabilistic Approach

Thesis Info

Author

Allah Ditta

Department

Institute of Information Technology, QAU

Program

MSc

Institute

Quaid-i-Azam University

Institute Type

Public

City

Islamabad

Province

Islamabad

Country

Pakistan

Thesis Completing Year

2010-2012

Thesis Completion Status

Completed

Page

xii, 77

Subject

Information Technology

Language

English

Other

Call No: DISS/M.Sc. IT/30

Added

2021-02-17 19:49:13

Modified

2023-01-06 19:20:37

ARI ID

1676715267060

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پروفیسر قیام الدین احمد

پروفیسر قیام الدین احمد صاحب مرحوم
(ڈاکٹر جاوید علی خاں)
پروفیسر قیام الدین احمد مرحوم ملک کے ممتاز مورخ اور مشہور عالم و محقق تھے، ۲۷؍ اگست ۱۹۹۸؁ء کو ان کا انتقال اچانک حرکت قلب بند ہوجانے کی وجہ سے ہوا، اس وقت وہ خدا بخش لائبریری پٹنہ کے ایک سمینار کے لیے اپنا مقالہ ٹائپ کررہے تھے جو آزادی کی گولڈن جبلی تقریبات کے سلسلے میں جامعہ ہمدرد دہلی میں ہونے والا تھا۔
ہندوستان کے عہد وسطیٰ کی تاریخ اور انیسویں صدی کا ہندو مسلم معاشرہ ان کا خاص موضوع تھا، اس پر ان کی نظر وسیع تھی۔ بہار میں ہندوستان کے عہد وسطیٰ کی تاریخ نویسی کی روایت کی بنیاد شاد عظیم آبادی اور ونایک پر شاد نے ڈالی تھی جس کو سرجدوناتھ سرکار نے پروان چڑھایا اور پدم شری پروفیسر سید حسن عسکری نے نقطۂ عروج تک پہنچایا، پروفیسر قیام الدین اسی سلسلہ کی آخری کڑی تھے، ان کی وفات سے جو خلا ہوا ہے اس کا پُر ہونا مشکل معلوم ہوتا ہے۔
ملک و قوم کی بے لوث خدمت اور آزادی وطن کی تحریک میں علمائے صادق پور کے کارنامے اظہر من الشمس ہیں، مرحوم قیام الدین کا تعلق اسی عظیم اور مقدس خانوادے سے تھا، حضرت سید احمد شہیدؒ کی تحریک اصلاح و جہاد میں بھی اس خاندان کے بزرگوں نے بڑے جوش و خروش اور نہایت عزم و استقلال سے حصہ لیا تھا۔
مرحوم کے اجداد میں مولانا احمد اﷲ صاحب اور کئی لوگوں کو ابنالہ مقدمات کے سلسلہ میں کالے پانی کی سزا ہوئی۔ موجودہ صدی کے اوائل میں اس خاندان کے افراد کا رجحان مغربی تعلیم کی طرف ہوگیا۔ پروفیسر قیام الدین احمد صاحب کے دادا ڈاکٹر عظیم الدین احمد عربی کے مشہور فاضل اور اردو کے معروف شاعر و نقاد تھے، انہوں نے سر محمد اقبال کے...

Secondary School Teachers Attitude Toward Teaching English as a Second Language: A Comparative Study

The study explores the comparative analysis of secondary school teachers’ attitude toward teaching English as a second language. The major objective of the study was; to find out secondary school teachers’ attitude toward teaching English related to different demographics. The researcher used quantitative research method that was descriptive in nature. The population of the study comprised all the male and female teachers at Secondary level in province of Punjab, Pak istan. The researchers selected the secon dary school teachers in districts: Lahore, Multan, Sialk ot and Vehari as the sample of the study. Questionnaire was used as a research tool for the study. The researchers distributed the questionnaire among the respondents of the study and collected data. For data analysis, researcher used the statistical techniques of mean score, t-test and ANOVA. The findings of the study informed that difference in mean scores of male and female teachers was not significant, t-value = -.075, p=.634>0.05. It was found that there was a significant difference in teachers’ attitude towards teaching English as second language having professional qualification of B.Ed. and M.Ed. at secondary school level, t-value = .521, p=.047<0.05. It was concluded that male and female respondents have almost same type of attitude of teaching English as second language.

Water Demand Management and Economic Value of Water in the Indus Basin

The present study was conducted on Water Demand Management and Economic Value of Water in the Indus Basin. To fulfill the objective of the study secondary and primary data sets were used. The primary data for study was collected through a farm survey of nearly 120 farmers on distributaries in Sargodha district. The data for supply and demand was taken from secondary sources. The sources include but not limited to the Agricultural Statistics of Pakistan, 2005-06, Economic Survey, 2006, the Water and Power Development Authority. The crop yield stress data was taken from Mona Reclamation project and Punjab Agriculture Research Institute, Faisalabad. Water supply and demand was estimated by using water balance equations. In order to calculate the Economic Value of Irrigation Water residual imputation approach was used. The change in net income method can be adapted to mathematical programming models (LP model) of farm situations to approximate a functional relationship between net benefits and irrigation water use . The study found that the water balance was 140 billion M3 including availability of rainfall. There was a net recharge to groundwater of the Indus Basin in the order of 63 billion M3, which can be pumped for consumptive and non-consumptive uses. The gross water supply for the agriculture sector was nearly 190 billion M3 from both surface and groundwater resources. The gross water demand for the agriculture sector was nearly 210 billion M3. Thus, there was a shortfall of around 20 billion M3 for the sector. In all four Linear Programming models were developed for small, large, head and tail farmers in the Sargodha region. The average size of small holding was 6.5 acres and that of large was 32 acres, while head farm size was 15 acres and that tail 13 acres. The cropping intensities at small, large, head and tail were 135 percent, 116 percent, and 151 percent and 127 percent, respectively. The analysis of cropping pattern showed that wheat was the predominant crops at all farms followed by Kharif and Rabi fodders. However, most of the farmers showed mixed cropping pattern citrus with wheat and citrus with berseem. The results revealed that economic value of water at discounted water availability varied from Rs.1.63 per M3 to Rs 3.23 per M3 on small farm. The economic value of water was Rs 1.63/ M3 even at 60 percent water discount. In case of large farm, the economic value varied from Rs.1.93 per M3 to Rs 3.76 per M3 at various discount scenarios. Even under extreme stress scenarios, the economic value was Rs 1.93/ M3. In case of head, the value varied from Rs. 1.03/ M3 to Rs. 2.01/ M3 and at the tail farm it varied from Rs. 1.39/ M3 to Rs 2.74/ M3. The analysis showed that farmers have the paying capacity of water charges under extreme water stress scenarios. It is implied that water pricing policies, as a strategy for water demand management, aims at water conservation and consequently increase in agricultural production. It is anticipated that irrigation water efficiency will be improved, as farmers change their strategy and practices in irrigated agriculture.