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Nt1330 Unit 1 Question Paper

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1. Give an example in which the operating system would use a bitmap to manage resource. Answer: Windows, Android like operating systems uses bitmap to manage resources. 2. What is the difference between a stack and a queue? Where would an operating system use each of these data structures? Answer: Stack: It uses FILO method means First in Last out 1. In this it contains sequence of elements and new elements are added at top 2. In this removing elements is also performed from only top. 3. To remove the first inserted element we have to remove all elements from it Queue: It uses FIFO method means First in First Out 1. In this it contains sequence of elements and new elements are added at front end 2. Removing elements is performed …show more content…

What is a system call? Answer: System call is how a program requests a service from an operating system 's kernel that it does not normally have permission to run. System calls provide the interface between a process and the operating system 5. Explain the separation of mechanism and policy in operating systems. Answer: Mechanism is the process defined for doing something, and policy is the set of rules or steps in procedure to define what to be performed. Separation of Mechanism and Policy is very much required for flexibility in performing operations in different conditions. In some conditions policy needs to be changed to perform certain operations in these situations the mechanism for performing these operations need to be changed. But here it doesn’t mean vice versa functionality, means if mechanism changes the respective policy will not be changed. So if separation of mechanism and policy happen then It will be very flexible while performing operations in different conditions 6. Explain the tradeoffs made in choosing between a simple, monolithic operating system approach versus a microkernel approach. Answer: 1. Monolithic Kernel: All Kernel Services From single component means as a

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I am going to explain the current methods and protocols we use in a LAN environment to provide a high level of redundancy, such as EtherChannel, FHRP (First Hop Redundancy Protocols) and STP (Spanning Tree protocols). I will briefly explain how the protocols work & then discusses the latest implementations of the protocol and the environment you would expect to see them working in. The STP is a protocol that prevents loops from occurring in a switched LAN environments when a device has multiple interconnected paths. The protocols works by sending BDPU messages across in the interconnected devices, detects the loop then removes it from the topology by shutting down the port.

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452 Words | 2 Pages

Test this activity: logging into a web store, putting items into the shopping cart, and checking out including providing an address and paying . These are independent to each other to test and integrated linked one to other. Logging into a web store: · Verify that the login screen is having option to enter username and password with submit button and option of forgot password · Verify that user is able to login with valid username and password · Verify that user is not able to login with invalid username and password · Verify that validation message gets displayed in case user leaves username or password field as blank · Verify that validation message is displayed in case user exceeds the character limit of the user name and password fields · Verify that there is reset button to clear

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95 Words | 1 Pages

• Ensure service members’ records were filed properly and maintained in the individual record. • Procure service member records in-order to be mailed out to other claim offices, having major effects on individuals. • Ensure all regulatory requirements pertaining to individual privacy were adhered to. • Research and obtain all necessary paperwork and relevant information regarding cases and issues pertaining to individual records. • Identify records, inconsistencies and initiated actions to correct the problems.

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297 Words | 2 Pages

The ASP.NET Engine then gets the requested file, and if essential contacts the database through ADO.NET for the required file and then the information is sent back to the Client’s browser. Figure 1 indicates how a client browser interacts with the Web server and how the Web server handles the request from the client. 2.1. Internet Information Services (IIS) IIS is an arrangement of Internet based services for Windows machines. Originally supplied as a component of the Option Pack for Windows NT, they were accordingly integrated with Windows 2000 and Windows Server 2003).

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479 Words | 2 Pages

Having root access on the Huawei Ascend M860 comes with great responsibility. It means that you will have full control over the Ascend smartphone root file system. That same root file system stores your critical system files and if you were to delete any, it could brick your device. As serious as that sounds, you can always backup your device using the internal SD card. Those of you looking to save some more space on the internal memory can connect an external SD card and backup using Titanium backup to that external drive.

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1221 Words | 5 Pages

Addressing: • We can assign byte address across words in two ways. • Big-endian addressing assigns lower addresses to more significant (leftmost) bytes of word. • Little-endian addressing uses opposite order. • Commercial computers use either approach, and some can support both approach Memory Space: In each memory location, we can store 1 byte(8-Bits).Memory Locations are numbered as Big_endian order below.

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154 Words | 1 Pages

• ADVANCED DIPLOMA IN ELECTRICAL POWER ENGINEERING…....... (EIT), Eng INSTITUTE OF TECH 2017 • APPRENTICE TRAINING ELECTRICIAN……………………...……………………… Feb 2001 - Feb 2005 • NATIONAL CERTIFICATE IN ELECTRICAL POWER ENGINEERING................. GWERU POLYTECHNIC - 2001 • NASHVILLE HIGH SCHOOL ZIMBABWE 6 O Levels…………..……………………………….. 1990-1994 • Cert III in ESI - POWER SYSTEMS DISTRIBUTION OVERHEAD QUALIFICATION

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HPC uses several parallel processing techniques to solve advanced computational problems quickly and reliably. HPC is widely used in sciatic computing applications like weather forecasting, molecular modeling, complex system simulations, etc. Traditional supercomputers are custom made and very expensive. A cluster, on the other hand, consists of loosely coupled of the-shelf components. Special programming techniques are required to exploit HPC capabilities.

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614 Words | 3 Pages

Windows operating system is generally very stable but there are a few errors and bugs that keep appearing from time to time. We mostly use USB devices these days and therefore most errors now are also associated with USB ports and devices. The Code 43 in the Device Manager appears when the operating system identifies problems associated with a device and closes it for use in the operating system. This problem can appear on a variety of Windows platforms such as Windows 7, Windows 8 and Windows 10 as well as on Windows Server.

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There are many operating systems but I am not listing all of them. One operating system is Windows, made by Microsoft. Another operating system is Mac, made by Apple. And one operating system you most likely don 't know is Linux, Linux is an open source operating system and it is the fastest, tho you probably don 't and will never use it. An open-source operating system is an operating system that you can edit like Windows is not an open source operating system so you can’t edit it, but in Linux, you can edit its operating system.

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Standard 3.OA.1:  Interpret products of whole numbers, e.g., interpret 5 × 7 as the total number of objects in 5 groups of 7 objects each. For example, describe a context in which a total number of objects can be expressed as 5 × 7. Children start working with equal groups as a whole instead of counting it individual objects. Students start understanding that are able to group number is according to get a product. Students can solve duplication by understand the relationship between the two number.

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3. Research Question and Objectives Our main objective is to design a web-based visual interactive software that can provide us a graphical interface for computer programming. Where basic general purpose programming facilities will be available like creation of modules, arrays and object orientation. Where we can achieve multitasking using threads and exception handling to catch exceptions.

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Big Idea Comprehension is key when learning what one is reading. Reference to PA and Common Core Standard(s) CC.1.2.3.B:Ask and answer questions about the text and make inferences from text; refer to text to support responses. CC.1.2.3.C: Explain how a series of events, concepts, or steps in a procedure is connected within a text, using language that pertains to time, sequence, and cause/effect.

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1205 Words | 5 Pages

The process may also be performed in reverse in order

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These are interfaces, usually kept in a tabular structure, that access some subsystem within the kernel such as disk operations. Essentially calls are made within programs and a checked copy of the request is passed through the system call. Hence, not far to travel at all. The disadvantages of the monolithic kernel are converse with the advantages.

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