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What is a binary tree?
A binary tree is a data structure consisting of binary nodes. A binary node is a data structure with two branches, each of which may hold a reference to another binary node. These branches are known as the left and right branches respectively. Since the nodes maintain references to every other node in the tree, it is only necessary to keep track of the root node.
Why is it easier to convert numbers from binary to hexadecimal than decimal to hexadecimal?
A binary number system has two states '0' '1' for a long word in bits it can be as follows 101010101010101010101011 intimidating RIGHT? it can be represented in groups of 3 bits in octal 10/010/101/010/101/010/101/011= 22525253 digital or in group of 4 bits as 10/1010/1010/1010/1010/1010 = 2AAAAA 111 =7 octal 1111=f F in hexadecimal numbers 1000 =8 1010 =10 or A
What if -1 is assigned to a unsigned variable in C plus plus?
If you assign -1 to a unsigned variable it will contain the biggest number its able to hold. For example if you assign -1 to a unsigned int it will be 4294967295 as its the biggest number a unsigned int can hold.
What is the binary code used for?
binary code(computer science) A code in which each allowable position has one of two possible states, commonly 0 and 1; the binary number system is one of many binary codes.Source: http://www.answers.com/binary+code?cat=technology
What is the use of Bitwise operators?
AnswerThe bitwise operators treat a number as its binary equivalent rather than as a simple boolean value.For most programming languages, a value of zero is considered FALSE and all other values are TRUEThus, 8 AND 11 returns TRUE as does 3 OR 0In bitwise analysis, each binary bit of the digit are compared. The number of bits compared will depend on the type of number.In C, a CHAR is usually 8 bits and can hold the binary numbers 0 to 255.If we compare 8 (00001000) and 19 (00010011) with bitwise operators, we get different results from Boolean operators:8 BITWISE AND 19 returns 0 (each bit in the response is set to 1 if both equivalent bits compared are 1) but 8 BITWISE OR 19 will return 27.The utility of these methods is in identifying binary data. For example, all files on a PC have the characteristics 'Hidden' 'Read Only' 'Archive' and 'System' which can be set or unset using bitwise operations on a single byte of data. In truth this is a throwback to the days of small memory capacities where saving the odd byte was essential.There are more uses of bitwise, especially in graphics, where XOR can be used to paint a sprite image to display it and then be used again to return a background to its former settings. I regret I lack the skill to explain this better.
