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Recent activity by monika7537
2
answers
1
minimization of circuit
1.0k
views
commented
Nov 13, 2018
2
answers
2
GATE CSE 2009 | Question: 43
Consider two transactions $T_1$ and $T_2$, and four schedules $S_1, S_2, S_3, S_4$, of $T_1$ and $T_2$ as given below: $T_1: R_1[x]W_1[x]W_1[y]$ $T_2: R_2[x]R_2[y]W_2[y]$ $S_1: R_1[x]R_2[x]R_2[y] W_1[x] W_1[y] W_2[y]$ ... $S_1 \text{ and } S_2$ $S_2 \text{ and } S_3$ $S_3$ only $S_4$ only
Consider two transactions $T_1$ and $T_2$, and four schedules $S_1, S_2, S_3, S_4$, of $T_1$ and $T_2$ as given below:$T_1: R_1[x]W_1[x]W_1[y]$$T_2: R_2[x]R_2[y]W_2[y...
6.7k
views
commented
Oct 31, 2018
Databases
gatecse-2009
databases
transaction-and-concurrency
normal
+
–
2
answers
3
asked in psu exam
a transparent dbms a. canot hide sensitive information from users b.keep it's logical structure hidden from users c. keep it'd physical structure hidden from users d. both b and c
a transparent dbmsa. canot hide sensitive information from usersb.keep it's logical structure hidden from usersc. keep it'd physical structure hidden from users d. both b...
380
views
answered
Oct 28, 2018
0
answers
4
#file structure
Q. suppose the order of b-tree is 23. then how many index records will be stored in level 4(including root as level 1)
Q. suppose the order of b-tree is 23. then how many index records will be stored in level 4(including root as level 1)
309
views
commented
Oct 28, 2018
Databases
file
structure
+
–
1
answer
5
MadeEasy Test Series: Databases - Er Diagram
675
views
commented
Oct 28, 2018
Databases
databases
er-diagram
made-easy-test-series
+
–
1
answer
6
self doubt
question has something wrong or is any logic i dont know please verify??
question has something wrong or is any logic i dont know please verify??
302
views
commented
Oct 20, 2018
1
answer
7
C Expression evaluation query
How does the following expression evaluate to if suppose n=2 n=2; a[++n]=n++;
How does the following expression evaluate to if suppose n=2n=2; a[++n]=n++;
325
views
commented
Oct 15, 2018
1
answer
8
GATE CSE 1990 | Question: 10-a
Consider the following relational database: employees (eno, ename, address, basic-salary) projects (pno, pname, nos-of-staffs-allotted) working (pno, eno, pjob) The queries regarding data in the above database are formulated below in SQL. ... FROM projects)) SELECT pname FROM projects WHERE pno IN (SELECT pno FROM projects MINUS SELECT DISTINCT pno FROM working);
Consider the following relational database:employees (eno, ename, address, basic-salary)projects (pno, pname, nos-of-staffs-allotted)working (pno, eno, pjob)The queries r...
2.9k
views
commented
Oct 7, 2018
Databases
gate1990
descriptive
databases
sql
+
–
1
answer
9
GATE CSE 1997 | Question: 76-b
Consider the following relational database schema: EMP (eno name, age) PROJ (pno name) INVOLVED (eno, pno) EMP contains information about employees. PROJ about projects and involved about which employees involved in which projects. The underlined attributes are the primary ... makes a copy of $\text{EMP}$ and names it $E$ ($\rho$ is called the rename operator))
Consider the following relational database schema:EMP (eno name, age)PROJ (pno name)INVOLVED (eno, pno)EMP contains information about employees. PROJ about projects and i...
3.3k
views
commented
Oct 7, 2018
Databases
gate1997
databases
sql
descriptive
normal
+
–
4
answers
10
TIFR CSE 2017 | Part A | Question: 5
How many distinct ways are there to split $50$ identical coins among three people so that each person gets at least $5$ coins? $3^{35}$ $3^{50}-2^{50}$ $\binom{35}{2}$ $\binom{50}{15} \cdot 3^{35}$ $\binom{37}{2}$
How many distinct ways are there to split $50$ identical coins among three people so that each person gets at least $5$ coins?$3^{35}$$3^{50}-2^{50}$$\binom{35}{2}$$\bino...
4.2k
views
commented
Sep 25, 2018
Combinatory
tifr2017
combinatory
discrete-mathematics
normal
balls-in-bins
+
–
8
answers
11
GATE CSE 2007 | Question: 22
Let $\text{ Graph}(x)$ be a predicate which denotes that $x$ is a graph. Let $\text{ Connected}(x)$ be a predicate which denotes that $x$ ... $\forall x \, \Bigl ( \text{ Graph}(x) \implies \lnot \text{ Connected}(x) \Bigr )$
Let $\text{ Graph}(x)$ be a predicate which denotes that $x$ is a graph. Let $\text{ Connected}(x)$ be a predicate which denotes that $x$ is connected. Which of the follo...
9.0k
views
commented
Sep 21, 2018
Mathematical Logic
gatecse-2007
mathematical-logic
easy
first-order-logic
+
–
2
answers
12
GATE CSE 2008 | Question: 36
Which of the following are NOT true in a pipelined processor? Bypassing can handle all RAW hazards Register renaming can eliminate all register carried WAR hazards Control hazard penalties can be eliminated by dynamic branch prediction I and II only I and III only II and III only I, II and III
Which of the following are NOT true in a pipelined processor?Bypassing can handle all RAW hazardsRegister renaming can eliminate all register carried WAR hazardsControl h...
22.2k
views
commented
Sep 12, 2018
CO and Architecture
gatecse-2008
pipelining
co-and-architecture
normal
+
–
1
answer
13
Multilevel Cache Access time
Ans. A
Ans. A
1.6k
views
commented
Aug 30, 2018
CO and Architecture
co-and-architecture
cache-memory
memory-management
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–
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