# Recent questions and answers in Others

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The transitive closure of a relation $R$ on set $A$ whose relation matrix $\begin{bmatrix} 0 & 1 & 0\\ 0 & 0 & 1 \\ 1 & 0 & 0 \end{bmatrix}$ is : $\begin{bmatrix} 0 & 1 & 0\\ 0 & 0 & 1 \\ 1 & 0 & 0 \end{bmatrix}$ $\begin{bmatrix} 1 & 1 & 0\\ 1 & 1 & 0 \\ 1 & 1 & 0 \end{bmatrix}$ ... $\begin{bmatrix} 0 & 1 & 1\\ 0 & 1 & 1 \\ 0 & 1 & 1 \end{bmatrix}$
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Can anybody please tell me, what is the age limit for ACM ICPC? By next year, I'll be 24, so will I be eligible for the same?
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A half-adder is also known as : $AND$ Circuit $NAND$ Circuit $NOR$ Circuit $EX-OR$ Circuit
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What is the correct way to round off $x$, $a$ $\text{float}$ to an $\text{int}$ value? $y=(\text{int})(x+0.5)$ $y=\text{int} (x+0.5)$ $y=(\text{int}) x+0.5$ $y=(\text{int})(\text{int})x+0.5)$
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If $f:\{a,b\}^{\ast}\rightarrow \{a,b\}^{\ast }$ be given by $f(n)=ax$ for every value of $n\in \{a,b\}$, then $f$ is one to one not onto one to one and onto not one to one and not onto not one to one and onto
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Producer consumer problem can be solved using : semaphores event counters monitors all the above
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Which of the following HTML code will affect the vertical alignment of the table content? <td style = “vertical-align : middle” > Text Here <\td> <td valign = “centre”> Text Here <\td> <td style = “text-align : center” > Text Here <\td> <td align = “ middle” > Text Here <\td>
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The sequence of operation in which PCM is done is Sampling, quantizing, encoding Quantizing, sampling, encoding Quantizing, encoding, sampling None of the above
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The IETF standard documents are called: RFC RCF ID none of the above
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The graph that shows basic blocks and their successor relationship is called: DAG Control graph Flow graph Hamiltonian graph
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Which of the following is possible in a token passing bus network? in-service expansion. unlimited number of stations. both (A) and (B). unlimited distance.
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The shell accepts command from the user maintains directories of files translates the keyboard’s character codes none of these
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The file structure that redefines its first record at a base of zero uses the term relative organization. key fielding. dynamic reallocation. all of these.
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A subclass having more than one super class is called: Category Classification Combination Partial Participation
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A recursive foreign key is a : references a relation. references a table. references its own relation references a foreign key.
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Which of the following statements is wrong? $2-$ phase Locking Protocols suffer from dead locks. Time-Stamp Protocols suffer from more aborts. Time-Stamp Protocols suffer from cascading roll back where as $2-$ locking Protocol donot. None of these
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Runtime polymorphism can be achieved by: Accessing virtual function through the pointer of the base class Accessing virtual function through the object The derived class None of these
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What keyboard in class specification helps to hide data: Public Private Static Void
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In case of right shift bitwise operator in $’C’$ language, after shifting $n$ bits, the leftmost $n$ bits: are always filled with zeros are always filled with ones are filled with zeros or ones and is machine dependent none of the above
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What is the maximum counting speed of a $4$-bit binary counter which is composed of Flip-Flop with a propagation delay of $25$ns? $1$ MHz $10$ MHz $100$ MHz $4$ MHz
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Station A uses 32 byte packets to transmit messages to station B using sliding window protocol. The round trip delay between A and B is 40 milliseconds and the bottleneck bandwidth on the path between A and B is 64 kbps. The optimal window size of A is ______ 20 10 30 40
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The seek time of a disk is $30$ ms. It rotates at the rate of $30$ rotations/second. The capacity of each track is $300$ words. The access time is (approximately) $62$ ms $60$ ms $50$ ms $47$ ms
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A general macroprocessor is an in built function of : Loader Linker Editor Assembler
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What services does the Internet Layer provide? Quality of service Routing Addressing Connection-oriented delivery Framming bits $1,2,3$ $2,3,4$ $1,3,4,5$ $2,3,4,5$
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In a good software design, ____coupling is desirable between modules. Highest Lowest Internal External
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Match the following: $\begin{array}{ll} \\ \text{(a) Unit test} & \text{(i) Requirements} \\ \text{(b)System test} & \text{(ii) Design} \\ \text{(c) Validation test} & \text{(iii) Code} \\ \text{(d) Integration test} & \text{(iv) System Engineering} \end{array}$ ...
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Cache memory is: High-Speed Register Low-Speed RAM Non-Volatile RAM High-speed RAM
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Memory mapped displays are utilized for high resolution graphics such as maps uses ordinary memory to store the display data in character form stores the display data as individual bits are associated with electromechanical teleprinters
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The range of the numbers which can be stored in an eight bit register is $-128$ to $+127$ $-128$ to $+128$ $-999999+ \: +999999$ none of these
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How many flip-flop are needed to divide the input frequency by $64$? $4$ $5$ $6$ $8$
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In propositional logic, which of the following is equivalent to $p \rightarrow q$? $\sim p\rightarrow q$ $\sim p \vee q$ $\sim p \vee \sim q$ $p\rightarrow \sim q$
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In a relational Schema, each tuple is divided into fields called relations domains queries none of these
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Bounded minimalization is a technique for proving whether a promotive recursive function is turning computable or not proving whether a primitive recursive function is a total function or not generating primitive recursive functions generating partial recursive functions
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External Interrupt may not arise because of illegal or erroneous use of an instruction. a timing device. external source. I/O devices.
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$T1$ carrier system is used: For delta modulation Industrial noise For frequency modulated signals None of the above
Consider a sequence $F_{00}$ defined as : $F_{00}\left ( 0 \right )= 1, F_{00}\left ( 1 \right )= 1\\$ $F_{00}\left ( n \right )= \frac{10 * F_{00}\left ( n-1 \right )+100}{F_{00}\left ( n-2 \right )} \text{ for }n\geq 2 \\$ Then what shall be the set of values of ... $\left ( 1,110, 600,1200 \right )$ $\left ( 1, 2, 55, 110, 600, 1200 \right )$ $\left ( 1, 55, 110, 600, 1200 \right )$
Which of the following is false? The smallest and fastest computer imitating brain working is called quantum computer. A computer with a speed of around $100$ million instructions per second with the word length of around $64$ bits is known as super computer. The term Exa-byte $= 1024$ Tera Bytes. None of the options.