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What values are be stored in 'a' after the above sample code is run if it is run on a system where pointers are two bytes lo
char a; char ca[] = {'a','e','i','o','u','y'}; char* pca = ca; pca += 2; a = *pca; What values are be stored in 'a' after the above sample code is run if it is run on a system where pointers are two bytes long? 1) a = 'u' 2) a = 'e' 3) a = 'i' 4) The code is illegal. Only a pointer can be added to a... 2012-04-20, 2982👍, 0💬

Write a class to store, evaluate and print integer arithmetic expressions. the public interface .....
Write a class to store, evaluate and print integer arithmetic expressions. the public interface should look like this: class myexpr { public: myexpr(char*); int eval(); void print(); }; 2012-04-19, 3054👍, 0💬

Assuming that: char* p = "abc" int a = 123; .....
3. Assuming that: char* p = "abc"; int a = 123; Fully parenthesize the following expressions and evaluate them: *p++; *--p; *--p++; a--; ++a; ++a--; 2012-04-19, 3848👍, 0💬

Design and implement a String class that satisfies the following:
Design and implement a String class that satisfies the following: * Supports embedded nulls * Provide the following methods (at least) o Constructor o Destructor o Copy constructor o Assignment operator o Addition operator (concatenation) o Return character at location o Return substring at location... 2012-04-18, 3379👍, 0💬

.Write a short code using C++ to print out all odd number from 1 to 100 using a for loop
Write a short code using C++ to print out all odd number from 1 to 100 using a for loop for( unsigned int i = 1; i &lt; = 100; i++ ) if( i & 0x00000001 ) cout &lt;&lt; i&lt;&lt;","; 2012-04-18, 3347👍, 0💬

Suppose a 3-bit sequence number is used in the selective-reject ARQ, what is the maximum number of frames that could be transmit
Suppose a 3-bit sequence number is used in the selective-reject ARQ, what is the maximum number of frames that could be transmitted at a time? If a 3-bit sequence number is used, then it could distinguish 8 different frames. Since the number of frames that could be transmitted at a time is no greate... 2012-04-17, 3029👍, 0💬

Describe Stacks and name a couple of places where stacks are useful.
Describe Stacks and name a couple of places where stacks are useful. A Stack is a linear structure in which insertions and deletions are always made at one end, called the top. This updating policy is called last in, first out (LIFO). It is useful when we need to check some syntex errors, such as mi... 2012-04-17, 3161👍, 0💬

Describe one simple rehashing policy.
Describe one simple rehashing policy. The simplest rehashing policy is linear probing. Suppose a key K hashes to location i. Suppose other key occupies H[i]. The following function is used to generate alternative locations: rehash(j) = (j + 1) mod h where j is the location most recently probed. Init... 2012-04-16, 3311👍, 0💬

Write the psuedo code for the Depth first Search.
Write the psuedo code for the Depth first Search. dfs(G, v) //OUTLINE Mark v as "discovered" For each vertex w such that edge vw is in G: If w is undiscovered: dfs(G, w); that is, explore vw, visit w, explore from there as much as possible, and backtrack from w to v. Otherwise: "Check" vw without vi... 2012-04-16, 3250👍, 0💬

What are the advantages and disadvantages of B-star trees over Binary trees?
What are the advantages and disadvantages of B-star trees over Binary trees? Answer1 B-star trees have better data structure and are faster in search than Binary trees, but it’s harder to write codes for B-start trees. Answer2 The major difference between B-tree and binary tres is that B-tree is a e... 2012-04-13, 4574👍, 0💬

Name 7 layers of the OSI Reference Model?
Name 7 layers of the OSI Reference Model? -Application layer -Presentation layer -Session layer -Transport layer -Network layer -Data Link layer -Physical layer 2012-04-13, 3111👍, 0💬

What is the difference between a Java application and a Java applet?
What is the difference between a Java application and a Java applet? The difference between a Java application and a Java applet is that a Java application is a program that can be executed using the Java interpeter, and a JAVA applet can be transfered to different networks and executed by using a w... 2012-04-12, 2777👍, 0💬

What is the software Life-Cycle?
What is the software Life-Cycle? The software Life-Cycle are 1) Analysis and specification of the task 2) Design of the algorithms and data structures 3) Implementation (coding) 4) Testing 5) Maintenance and evolution of the system 6) Obsolescence 2012-04-12, 2926👍, 0💬

Write a fucntion that will reverse a string.
Write a fucntion that will reverse a string. char *strrev(char *s) { int i = 0, len = strlen(s); char *str; if ((str = (char *)malloc(len+1)) == NULL) /*cannot allocate memory */ err_num = 2; return (str); } while(len) str[i++]=s[–len]; str[i] = NULL; return (str); } 2012-04-11, 2879👍, 0💬

What is the difference between Stack and Queue?
What is the difference between Stack and Queue? Stack is a Last In First Out (LIFO) data structure. Queue is a First In First Out (FIFO) data structure 2012-04-11, 3252👍, 0💬

Name some major differences between C++ and Java.
Name some major differences between C++ and Java. C++ has pointers; Java does not. Java is platform-independent; C++ is not. Java has garbage collection; C++ does not. Java does have pointers. In fact all variables in Java are pointers. The difference is that Java does not allow you to manipulate th... 2012-04-10, 2924👍, 0💬

Is C an object-oriented language?
Is C an object-oriented language? C is not an object-oriented language, but limited object-oriented programming can be done in C. 2012-04-10, 2939👍, 0💬

What is semaphore? C++
What is semaphore? C++ Semaphore is a special variable, it has two methods: up and down. Semaphore performs atomic operations, which means ones a semaphore is called it can not be inturrupted. The internal counter (= #ups - #downs) can never be negative. If you execute the “down” method when the int... 2012-04-09, 3521👍, 0💬

What is deadlock? C++
What is deadlock? C++ Deadlock is a situation when two or more processes prevent each other from running. Example: if T1 is holding x and waiting for y to be free and T2 holding y and waiting for x to be free deadlock happens. 2012-04-09, 3927👍, 0💬

What is a Makefile? C++
What is a Makefile? C++ Makefile is a utility in Unix to help compile large programs. It helps by only compiling the portion of the program that has been changed. A Makefile is the file and make uses to determine what rules to apply. make is useful for far more than compiling programs. 2012-04-06, 4013👍, 0💬

What’s the meaning of ARP in TCP/IP?
What’s the meaning of ARP in TCP/IP? The "ARP" stands for Address Resolution Protocol. The ARP standard defines two basic message types: a request and a response. a request message contains an IP address and requests the corresponding hardware address; a replay contains both the IP address, sent in ... 2012-04-06, 3184👍, 0💬

Give 4 examples which belongs application layer in TCP/IP architecture?
Give 4 examples which belongs application layer in TCP/IP architecture? FTP, TELNET, HTTP and TFTP 2012-04-05, 3241👍, 0💬

What are each of the standard files and what are they normally associated with?
They are the standard input file, the standard output file and the standard error file. The first is usually associated with the keyboard, the second and third are usually associated with the terminal screen. Detemine the code below, tell me exectly how many times is the operation sum++ performed ? ... 2012-04-05, 2969👍, 0💬

Could you tell something about the Unix System Kernel?
Could you tell something about the Unix System Kernel? The kernel is the heart of the UNIX openrating system, it’s reponsible for controlling the computer’s resouces and scheduling user jobs so that each one gets its fair share of resources. 2012-04-04, 2984👍, 0💬

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.NET C C++ CSS DBA General HTML Java JavaScript JSP JUnit MySQL Networking Oracle Perl Perl PHP PL/SQL RSS Software QA SQL Server Struts Unix Windows XHTML XML