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Recent activity by Na462
0
answers
1
State Diagram of Sequential circuit
commented
in
Digital Logic
Mar 16, 2019
1.2k
views
digital-logic
sequential-circuit
0
answers
2
Minimum number of NAND Gates
Minimum number of NAND Gates for the functions F = AC’ + ACE + ACE’ + A’CD’ + A’D’E’ F = (B’ + D’)(A’+C’+D)(A+B’+C’+D)(A’+B+C’+D’)
commented
in
Digital Logic
Mar 7, 2019
3.0k
views
digital-logic
nand
0
answers
3
Discrete random variable
commented
in
Probability
Feb 20, 2019
476
views
probability
random-variable
engineering-mathematics
0
answers
4
Central limit theorem
(Central Limit Theorem) Let X1, X2, . . . , X81 be i.i.d., each with expected value µ = E(Xi) = 5, and variance σ2 = Var(Xi) = 4. Approximate P(X1 + X2 +· · · X81 > 369), using the central limit theorem.
asked
in
Probability
Feb 19, 2019
667
views
probability
0
answers
5
Probability mass function
Suppose that the cdf of X is given by: F(a) ={ 0 for a < 0 1/5 for 0 ≤ a < 2 2/5 for 2 ≤ a < 4 1 for a ≥ 4. } Determine the pmf of X.
asked
in
Probability
Feb 19, 2019
468
views
engineering-mathematics
random-variable
1
answer
6
Conditional Probability
A multiple choice exam has 4 choices for each question. A student has studied enough so that the probability they will know the answer to a question is 0.5, the probability that they will be able to eliminate one choice is 0.25, otherwise ... the test to measure what the student knows. If the student answers a question correctly what's the probability they knew the answer?
commented
in
Probability
Feb 19, 2019
4.4k
views
conditional-probability
probability
0
answers
7
Probability density function
Let R be the rate at which customers are served in a queue. Suppose that R is exponential with pdf f(r) = 2e^(−2r) on [0, ∞). Find the pdf of the waiting time per customer T = 1/R.
asked
in
Probability
Feb 19, 2019
579
views
engineering-mathematics
probability
0
answers
8
Expectation
Suppose 100 people all toss a hat into a box and then proceed to randomly pick out a hat. What is the expected number of people to get their own hat back. Hint: express the number of people who get their own hat as a sum of random variables whose expected value is easy to compute.
commented
in
Probability
Feb 19, 2019
1.1k
views
probabilityexpectation
probability
9
answers
9
GATE CSE 2019 | Question: 10
Let $G$ be an arbitrary group. Consider the following relations on $G$: $R_1: \forall a , b \in G, \: a R_1 b \text{ if and only if } \exists g \in G \text{ such that } a = g^{-1}bg$ ... $R_1$ and $R_2$ $R_1$ only $R_2$ only Neither $R_1$ nor $R_2$
commented
in
Set Theory & Algebra
Feb 8, 2019
17.1k
views
gatecse-2019
engineering-mathematics
discrete-mathematics
set-theory&algebra
group-theory
1-mark
3
answers
10
B+ Tree Records
commented
in
Databases
Feb 2, 2019
2.0k
views
databases
b-tree
bplustrees
1
answer
11
Ace Subject Test : Computer Networks - Fragmentation
commented
in
Computer Networks
Feb 2, 2019
688
views
computer-networks
ace-test-series
1
answer
12
Ace Test Series: Operating System - Fork()
asked
in
Operating System
Feb 2, 2019
2.2k
views
operating-system
fork-system-call
ace-test-series
1
answer
13
Ace Test Series: Probability - Uniform Distribution
asked
in
Probability
Feb 2, 2019
896
views
random-variable
probability
expectation
uniform-distribution
ace-test-series
1
answer
14
Indexing
Database file consist 50000 records with record size 100 bytes, block size 512 bytes. If sparse B+ tree index build over given database file with search key size 20 bytes both block pointer and record pointer sizes 12 bytes each. How many maximum index blocks required if node order P is defined as between ⎡P/2⎤ to P pointers per node?
commented
in
Databases
Jan 29, 2019
5.3k
views
indexing
databases
1
answer
15
Ace Test Series: DBMS - File Indexing
commented
in
Databases
Jan 28, 2019
1.8k
views
indexing
databases
ace-test-series
1
answer
16
MadeEasy Test Series: Set Thoery & Algebra - Partial Order
Let Q denote the set of rational numbers and S = {x | x belongs N ; N; x>=10} Consider the Following POSETs I. (Q ∩ [0, 1], ≤) II. (S, ≤) Which of the above POSETs are well ordered?
comment edited
in
Set Theory & Algebra
Jan 27, 2019
1.0k
views
set-theory&algebra
partial-order
made-easy-test-series
2
answers
17
made easy
Consider the following C program: Which of the following represents output of above C program? A)1, 0 B)2, 0 C)1, 1 D)2, 1
answered
in
Programming in C
Jan 26, 2019
270
views
1
answer
18
Ace Test Series: Compilers - Parsers
commented
in
Compiler Design
Jan 26, 2019
1.3k
views
compiler-design
lr-parser
ace-test-series
1
answer
19
Ace Test Series: Compilers - Parser
asked
in
Compiler Design
Jan 26, 2019
367
views
compiler-design
lr-parser
ace-test-series
0
answers
20
Ace Test Series: Compiler - Parser Conflicts
Consider the following CFG. S → aSa|bSb|a|b Number of conflicts in LR(0) State Diagram? 2 8 10 4
commented
in
Compiler Design
Jan 23, 2019
981
views
compiler-design
lr-parser
ace-test-series
2
answers
21
Ace Test Series: Operating System - TLB Effective Access Time
commented
in
Operating System
Jan 23, 2019
1.0k
views
effective-memory-access
operating-system
co-and-architecture
ace-test-series
0
answers
22
Ace Test Series: CO & Architecture - Cache Misses Type
commented
in
CO and Architecture
Jan 22, 2019
887
views
cache-memory
co-and-architecture
misses
ace-test-series
1
answer
23
Ace Test Series: CO & Architecture - Cache Memory
commented
in
CO and Architecture
Jan 21, 2019
677
views
co-and-architecture
cache-memory
ace-test-series
associative-memory
0
answers
24
Ace Test Series: DBMS - Functional Dependency
commented
in
Databases
Jan 21, 2019
853
views
database-normalization
databases
ace-test-series
1
answer
25
MadeEasy Subject Test 2019: Compiler Design - Syntax Directed Translation
Consider the following Translation rules for the Grammar G : What will be the output for input string abebebe for bottom up parser ? CBBPBPBP CBBBPPBB CBPBPBPB CBPBBPPB
commented
in
Compiler Design
Jan 21, 2019
1.2k
views
compiler-design
syntax-directed-translation
made-easy-test-series
1
answer
26
Ace Test Series: Operating System - Deadlock
commented
in
Operating System
Jan 21, 2019
675
views
operating-system
process-synchronization
deadlock-prevention-avoidance-detection
ace-test-series
4
answers
27
Ace Test Series: Operating System - Reader Writer Problem
commented
in
Operating System
Jan 21, 2019
1.9k
views
operating-system
process-synchronization
semaphore
binary-semaphore
ace-test-series
0
answers
28
Reducible language ( Decidability)
commented
in
Theory of Computation
Jan 21, 2019
708
views
theory-of-computation
decidability
3
answers
29
Ace Test Series: CO & Architecture - Instruction Execution
CPU can leave current instruction execution, without completing it for : Service of interrupt DMA Both Neither
asked
in
CO and Architecture
Jan 21, 2019
659
views
co-and-architecture
dma
ace-test-series
instruction-execution
0
answers
30
Ace Test Series: Graph Theory - Cut Edges
If G is a connected simple graph with 10 vertices in which degree of every vertex is 2 then number of cut edges in G is ?
comment edited
in
Graph Theory
Jan 19, 2019
561
views
graph-theory
ace-test-series
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