यशोगाथा – ५ 1

फील्डमार्शल सॅम माणेकशा यांचा जन्म अमृतसरमध्ये स्थायिक झालेल्या एका सुखवस्तू पारशी कुटुंबात 3 एप्रिल 1914 रोजी झाला. चार मुले आणि दोन कन्या असलेल्या या कुटुंबात माणेकशा यांचा नंबर पाचवा. नैनितालच्या शेरवूड विद्यालयात त्यांचे प्राथमिक शिक्षण पार पडल्यानंतर वैद्यकीय शिक्षणासाठी ते खरेतर इंग्लंडला जाणार होते. परंतु वयाने सॅम खूपच लहान आहे असे लक्षात येताच वडिलांनी त्यांना अमृतसर कॉलेजला घातले. महाविद्यालयीन शिक्षण आटोपल्यानंतर त्यांना डेहरादूनच्या ‘इंडियन मिलिटरी अकॅडेमी’ मध्ये प्रवेश मिळाला व […]

Sam Mankeshaw
DOS attack

Denial of Service(DoS) Attack

Denial of Service attack is a type of attack in which the network is flooded with useless traffic which ultimately leads to its failure. Here, Denial means refusal to satisfy a request. This attack may be caused by single or a group of people. When a single host attacks it is called Denial of Service (Dos) attack and when multiple host attacks it is called as Distributed Denial of Service […]

Do You Know What is Virtual Memory?

This article gives broad information of “Virtual Memory” of operating system. The concept of  Virtual Memory is the separation of user logical memory from physical memory and  it is commonly implementation by demand paging. In this way a very large virtual memory can be provided for programmers on a smaller physical memory. Because of virtual memory the programming task becomes easy. The large amount physical memory gets available to the […]

Virtual Memory
100% quality tested

Software Quality Assurance

This article enlightens how a quality of software can be increased to an extent. The most expert and experience software developers say that high quality software is an important view. There are certain questions may come in your mind that how do we define quality? It is said that “Every program does what is expected as well as may be what is not expected by the user. There are many […]

Software Piracy

What is Software Piracy? This article gives the broad information of software piracy. Piracy of softwares involves the use reproduction or distributed without having received the expressed permission of the software author. Software piracy can be divided in four common types. The first one is end user piracy, it occurs when the users of software installs the software on more machines then they are entitled to under their license agreements. […]

Software Copyright
Mutex Lock

Synchronization in Various Operating Systems

Synchronization in Window XP   The Windows XP operating system is a multithreaded kernel that provides support for real-time applications and multiple processors. When the Windows  XP kernel accesses a global resource on a uniprocessor system, it temporarily masks interrupts for all interrupt handlers that may also access the global resource On a multiprocessor system, Windows XP protects access to global resources using spinlocks. Just as in Solaris, the kernel […]

यशोगाथा – 4 1

1904 साली फ्रान्सची राजधानी पॅरिसमध्ये जन्मलेल्या जहांगीर रतनजी दादाभाई टाटा यांचे सर्वांना भावणारे ‘जेआरडी’ हे टोपण नाव होते. फ्रान्स, जपान आणि इंग्लंडमध्ये प्राथमिक शिक्षण घेतलेल्या जेआरडी यांनी एक वर्षासाठी फ्रान्सच्या लष्करी प्रशिक्षणाचा अनुभवही घेतला होता. त्यांना फ्रान्स लष्कर अथवा केंब्रिजमध्ये जाऊन शिकण्याची इच्छा होती; परंतु 1925 साली वयाच्या 21 व्या वर्षी त्यांना वडिलांनी भारतात बोलावून घेतल्याने त्यांचे महाविद्यालयीन शिक्षण अपुरे राहिले. त्याची बोच त्यांना आयुष्यभर होती. परंतु अपरिचित असलेल्या देशामध्ये […]

JRD Tata