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Answers by 0xprateek

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1

Computer Networks
Since 8 bit delimeter pattern = 01111110. So whenever 0111111( 6’s ones) is matched we will add one extra bit. But in the solution extra bit is added just after 011111(5’s ones).

answered in Computer Networks Nov 20, 2022

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2

GATE CSE 2000 | Question: 1.5
Let $L$ denote the languages generated by the grammar $S \to 0S0 \mid 00$. Which of the following is TRUE? $L = 0^+$ $L$ is regular but not $0^+$ $L$ is context free but not regular $L$ is not context free

answered in Theory of Computation Apr 3, 2022

8.9k views

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3

GATE CSE 2021 Set 2 | Question: 24
Suppose that $P$ is a $4 \times 5$ matrix such that every solution of the equation $\text{Px=0}$ is a scalar multiple of $\begin{bmatrix} 2 & 5 & 4 &3 & 1 \end{bmatrix}^T$. The rank of $P$ is __________

answered in Linear Algebra Mar 23, 2022

10.8k views

1 vote

4

GATE CSE 2004 | Question: 76
In an $M \times N$ matrix all non-zero entries are covered in $a$ rows and $b$ columns. Then the maximum number of non-zero entries, such that no two are on the same row or column, is $\leq a +b$ $\leq \max(a, b)$ $\leq \min(M-a, N-b)$ $\leq \min(a, b)$

answered in Linear Algebra Mar 1, 2022

7.7k views

1 vote

5

GATE CSE 1998 | Question: 7-a
Suppose we have a database consisting of the following three relations. $\text{FREQUENTS (student, parlor)}$ giving the parlors each student visits. $\text{SERVES (parlor, ice-cream)}$ ... the following in SQL: Print the students that frequent at least one parlor that serves some ice-cream that they like.

answered in Databases Apr 7, 2021

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6

GATE CSE 1991 | Question: 12-a
Suppose a database consist of the following relations: SUPPLIER (SCODE,SNAME,CITY). PART (PCODE,PNAME,PDESC,CITY). PROJECTS (PRCODE,PRNAME,PRCITY). SPPR (SCODE,PCODE,PRCODE,QTY). Write SQL programs corresponding to the following queries: Print PCODE values for ... part to a project in the second city, but do not print the triples in which the two CITY values are same.

answered in Databases Apr 7, 2021

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