Computer Science Lecturer Test Paper SPSC

Asalamualekum Friends For Computer Science Lecturer Test SPSC you should revise the following concepts of all major subjects: Data Structure [ Concepts, FIFO, LIFO, Link List, Binary tree, Graph, Nodes, etc ]  Computer Architecture [ Basic concepts,Instruction set, Addressing modes, I/O Intrusts Handlers, Registers, FF,  Operation Codes, etc ] Database [ Concepts, DBMSs, Logical DB, Security, Integrity,...

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How Domain Name Servers Work

How Domain Name Servers Workby Marshall Brain  If you spend any time on the Internet sending e-mail or browsing the Web, then you use domain name servers without even realizing it. Domain name servers, or DNS, are an incredibly important but completely hidden part of the Internet, and they are fascinating! The DNS system forms one of the largest and most active distributed databases on the planet. Without DNS, the Internet...

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How to Calculate Quickly ( The Art of Calculation )

Calculate Quickly ( The Art of Calculation ) by. Henry Sticker In this book you will learn the art of Addition, Substation, Multiplication, and etc. The whole new techniques are used to calculate mathematical numbers in less than a second. By reading this book you will be able to amaze your teacher, friends, and relatives.  How to Calculate Quickly - Full Course in Speed Arithmetic Publisher: Dover Publications Henry...

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How Routing Algorithms Work [ Very Useful info ]

How Routing Algorithms Workby Roozbeh Razavi  If you have read the article How Routers Work, then you know that a router is used to manage network traffic and find the best route for sending packets. But have you ever thought about how routers do this? Routers need to have some information about network status in order to make decisions regarding how and where to send packets. But how do they gather this information?  In...

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How RAM Work [ Also Learn How to Install it. ]

How RAM Work by Jeff Tyson Random access memory (RAM) is the best known form of computer memory. RAM is considered "random access"because you can access any memory cell directly if you know the row and column that intersect at that cell. The opposite of RAM is serial access memory (S s a series of memory cells that can only be AM). SAM stores data accessed sequentially (like a cassette tape). If the data is not in the current...

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How OSI Layers Works [ In Less than 2 Minute ]

How OSI Works also Known as & 7 Layers of Operation System by Jeff Tyson Virtually all networks in use today are based in some fashion on the Open Systems Interconnection (OSI) standard. OSI was developed in 1984 by the International Organization for Standardization (ISO), a global federation of national standards organizations representing approximately 130 countries. The core of this standard is the OSI Reference...

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How Microprocessors Work [ History ]

How Microprocessors Workby Marshall Brain  The computer you are using to read this page uses a microprocessor to do its work. The microprocessor is the heart of any normal computer, whether it is a desktop machine, a server or a laptop. The microprocessor you are using might be a Pentium, a K6, a PowerPC, a Sparc or any of the many other brands and types of microprocessors, but they all do approximately the same thing...

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