String Processing and Finite Automata

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Questions and Answers

What is the minimum number of states required to recognize the languages L1 and L2?

9 (correct)

Which of the following languages is/are context-free?

Only L3 and L2

Only L3

L1, L2, L3, and L4 (correct)

Only L4 and L3

What is the type of the language {a^m b^n C^(m+n) | m, n ≥ 1}?

Not context-free but context sensitive (correct)

Regular

Context-free

Not context-sensitive but type-0

What is the regular expression for all strings that start with xy and end with yyx?

xy(xy)*yyx Signup and view all the answers

What is the parse of the sentence a + a × a for the given grammar?

a, S + a and S × a Signup and view all the answers

What is the property of the given grammar E→T∗E ∣T, T→F+T ∣F, F→a∣b?

Precedence of + over ∗ Signup and view all the answers

Who is considered the father of cloud computing?

J.C.R. Licklider Signup and view all the answers

What is the correct pair of statements that represents Duality?

(xy)’=x’ + y’; (x+y)’=x’y’ Signup and view all the answers

What is the purpose of a Flip Flop?

To store 1 bit digital data Signup and view all the answers

What is the maximum number of values a C function can return at a time?

Only one value Signup and view all the answers

What type of value can a pointer variable be assigned?

The variable address Signup and view all the answers

What is the correct statement about C array pointers?

An array pointer is a pointer that points to an array Signup and view all the answers

What type of learning is not mentioned in the provided text?

Self-Supervised Learning Signup and view all the answers

Which type of threads are transparent to the kernel?

User-level threads Signup and view all the answers

What is a characteristic of kernel-supported threads?

Context switch is faster Signup and view all the answers

What is the number of candidate keys in relation R?

No Limit Signup and view all the answers

What is the relationship between redundancy and F+ in the resulting set relations?

Proportional to the size of F+ Signup and view all the answers

What does RTN stand for in the context of computer science?

Register Transfer Notation Signup and view all the answers

What type of transfer encoding is useful when data consists largely of octets that correspond to printable ASCII characters?

Quoted-printable transfer encoding Signup and view all the answers

What is the counterpart of modular multiplication in RSA in Elliptic Curve Cryptography?

The addition operation Signup and view all the answers

Which addressing mode is most suitable for changing the normal sequence of execution?

Relative Signup and view all the answers

Which addressing mode uses the PC instead of a general-purpose register?

Relative Signup and view all the answers

What is the primary security service registered and configured by Spring Security?

All of the above Signup and view all the answers

What can be used in solving probabilistic queries?

Bayes rule Signup and view all the answers

What is the process of partitioning a RAID file into smaller parts and storing mirrored parts in different disks?

Stripping Signup and view all the answers

What is the purpose of implementing cache memory?

To reduce the memory access time and cycle time Signup and view all the answers

What is the term for the number of attributes in a relation?

Degree Signup and view all the answers

In the context of DFA and NFA, which of the following statements is true?

The number of states in less DFA is less than the number of states in NFA Signup and view all the answers

What is the output of the training process in machine learning?

Model Signup and view all the answers

What can pointers be used to achieve in programming?

Dynamic memory allocation Signup and view all the answers

Study Notes

Cloud Computing

The father of cloud computing is J.C.R. Licklider.
Cloud providers offer intermediation and auditing services.
Resource abstraction and interoperability are important aspects of cloud computing.

Data Communication

A pair of quad and an octet are equivalent to 2 pairs, 1 quad, and 1 octet.
The K-map for the function F(w, x, y, z) = ∑(0, 1, 2, 4, 5, 6, 8, 9, 12, 13, 14) can be used to simplify the function.

Digital Logic

DeMorgan's theorem states that (xy)' = x' + y' and (x + y)' = x'y'.
The NAND gate is used to implement logical operations.
Flip-flops and registers are used to store binary data.

Boolean Algebra

The distributive property of Boolean algebra is X + XY = X and X(X + Y) = XY.
The absorption law is X + XY = X.
The law of contradiction is X(X + Y) = X.

C Programming

A C function can return only one value.
A pointer variable can be assigned the address of another variable.
The unary & operator yields the address of a variable.

Cryptography

Modular exponentiation is used in RSA encryption.
The addition operation in Elliptic Curve Cryptography is the counterpart of modular multiplication in RSA.

Computer Architecture

The addressing modes are direct, indirect, immediate, indexed, and register.
The PC-relative addressing mode uses the program counter instead of a general-purpose register.
The process of checking the status flags is called polling.

Operating System

Raid classification is used to categorize different RAID configurations.
Form-based login service, HTTP Basic authentication, and logout service are security services registered and configured by Spring Security.

Database Management

Cardinality refers to the number of tuples in a relation.
Degree refers to the number of attributes in a relation.

Machine Learning

The Bayes rule can be used to solve probabilistic queries.
The output of the training process in machine learning is a model.

Compiler Design

The difference between the minimum number of states required to recognize L1 and L2 is 3.

Theory of Computation

L1 = {w | w does not contain the string "tr"} and L2 = {w | w contains the string "tr"} are languages.
The language {a^m b^n c^(m+n) | m, n ≥ 1} is not regular but context-free.

Miscellaneous

Iterative, prototype, spiral, and waterfall models are software development life cycle models.
The cache memory is used to increase the speed of the system by reducing memory access time.

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Description

This quiz is about determining the minimum number of states required to design a finite automata that accepts strings containing or not containing a specific substring. It involves understanding the concepts of string processing and finite automata design.