Schaum’s Outline Series OF Principles of Computer Science phần 3 ppt

... is a pattern of ones and zeros stored in a word of computer memory. By the way, a “word” of memory is the basic unit of storage for a computer. A 16-bit computer has a word size of 16 bits, or ... *, 6 ) J, ID, AV6 FORMAT( I6, 3X, 'SUBJECT ', I6, 3X, 'AV= ', F9.2 )STOPENDExample input cards:55821 3 7 9 4 7812 1 4 3 3 28 13 3 2 3 1 1824 7 9 9 9 9825 6 9 8 8 ... handling of datais appropriate.CPU/ALUThe CPU is the part of the computer one thinks of first when describing the components of a computer. Therepetitive cycle of the von Neumann computer...

Schaum’s Outline Series OF Principles of Computer Science phần 1 doc

... most modern computers.4 INTRODUCTION TO COMPUTER SCIENCE [CHAP. 1 SCHAUM’S OUTLINE OF Principles of COMPUTER SCIENCE CARL REYNOLDSDepartment of Computer Science Rochester Institute of TechnologyPAUL ... 1 -3 Jacquard Loom Cards, photograph by Doug Jones(http://www.cs.uiowa.edu/~jones/cards/history.html). SCHAUM’S OUTLINE OF Principles of COMPUTER SCIENCE CHAPTER 1Introduction to Computer Science WHAT ... IS COMPUTER SCIENCE? Computer Science is defined in different ways by different authors. Wikipedia (http://en.wikipedia.org/wiki /Computer_ science) defines computer science as the collection of...

Schaum’s Outline Series OF Principles of Computer Science phần 2 doc

... with the value of RFor example, to find the GCD of 37 2 and 84, which we will show as:GCD (37 2, 84)Find GCD(84, 36 ) because 37 2/84 —> remainder 36 Find GCD (36 , 12) because 84 /36 —> remainder ... binaryvalue of 127 + 3, or 130 . After all this, the binary representation of 8.5 is:01000001000010000000000000000000 34 COMPUTER ORGANIZATION [CHAP. 3 For instance, solving the problem for a matrix of ... but in computer science, because of the ubiquity of binary math, this is usually written as lg n, meaninglogarithm to the base 2 of n.The total running time T of the merge sort consists of the...

Schaum’s Outline Series OF Principles of Computer Science phần 4 ppsx

... as part of the state of each individual car (part of the state of each instance). On the other hand, we would maintain acount of the total number of Automobiles as part of the state of the class ... termCHAP. 4] SOFTWARE 63 The state of an object is provided by variables. As the values of variables change, the state of the objectchanges. At any point in time, the values of the instance’s ... ((cdr n)), a list of one element (the element is another list,the cdr of the list of parameters), and the second line of cond would return a list instead of a number.Our version of sum now behaves...

Schaum’s Outline Series OF Principles of Computer Science phần 5 ppt

... operating system of a computer is a program, often called the “kernel,” which is always running on the computer, and which governs the execution of all the other programs that run on the computer. The ... bits in a computer “word” (mostcomputers today regard 32 bits as a “word”) some number of positions left or right, or to compare the values of two words, or to complement the bit values of a word ... support.When computers on the network provide resources to other computers, such as a web server does, the computers are called servers. Networked computers that access the services and data of other...

Schaum’s Outline Series OF Principles of Computer Science phần 6 pptx

... the offset remains simply the address of the reference within the page/frame.For instance, if a 32 -bit system (addresses are 32 bits long) has a frame size of 4K, it means that 12 bits of theaddress ... a logical page number.Since the number of frames of physical memory is likely to be much smaller than the number of pages of logical memory in a 64-bit computer (with 4K pages, 252= way too ... PlotP00 1 0P12 0 0P 23 0 3 P22 1 1P20 0 2CHAP. 6] OPERATING SYSTEMS 1 13 RequestsP CD PlotP00 0 0P12 0 2P20 0 0P31 0 0P40 0 2RequestsP CD PlotP00 0 0P12 0 2P20 0 1P31 0 0P40 0 2Since...

Schaum’s Outline Series OF Principles of Computer Science phần 7 pps

... relation consists of rows, each of which represents aninstance of the entity type, and of columns, each of which represents one of the attributes of the entity type.Each row of a relation is ... row more often than tuple, but a tuple isa row of a table, an instance of a relation, an instance of an entity type. Each tuple consists of the values of theattributes for that instance of the ... could have the attributes “Bill Smith,” “Akron, OH,”“Fisher Dorm,” 32 3, Computer Science, ” “Professor Findley,” etc.The structure of a database is described by its “schema.” As we will see later,...

Schaum’s Outline Series OF Principles of Computer Science phần 8 ppt

... studentsmajor in computer science, there will be 30 0 lines containing the words Computer Science . Such a report isprobably not what one had in mind. Probably one is interested in a list of the different ... subquery returns any rowsALL True if all of a set of comparisons are trueANY True if any one of a set of comparisons is trueSOME True if some of a set of comparisons is tureTable 8-1Line ItemConsignment_SellerWrite ... Georgia.Writers of software can protect their work by keeping the code secret. In the early days of computing, customers often received source code to the software they ran. However, as software has...

Schaum’s Outline Series OF Principles of Computer Science phần 9 pdf

... pertaining to professional work. 3. 3 Acknowledge and support proper and authorized uses of computing resources.CAN COMPUTERS KILL?In particular, can software kill? Can software maim? Can software inflict ... 11100101?229 3. 3 What are the units (values) of the first 3 columns in a base-8 (octal) number?64s 8s units828180 3. 4 What is the base-2 value of the base-8 (octal) number 37 7?11111111 3. 5 Convert ... the median of a set of numbers.median( list _of_ numbers )length < length of list _of_ numbersmerge_sort( list _of_ numbers )if length is odd// return middle numberreturn list _of_ numbers[(length...

Schaum’s Outline Series OF Principles of Computer Science phần 10 potx

... science, definition, 1 computer virus, 175–176 computer worddata representation in, 33 36 size, 32 33 , 39 computing history, 4–12copyright, 1 73 174CPU (Central Processing Unit), 7, 36 data definition ... of high performance.ANSWERS TO REVIEW QUESTIONS 2 13 This page intentionally left blank 219Aiken, Howard, 9algorithm, 2, 14order of growth of (see order of growth)application software, 3 ARPAnet, ... 36 character data, 35 character device, 41Church-Turing Thesis, 28class, object oriented programming,78. See also inheritanceclients, 98, 132 – 133 Cobol, 46compiler, 10, 47-8 computer science, definition,...

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