Database Management System MCQ : Introduction, file system : Link1

Compiler Construction MCQ & Answers

Are you worried about the answers to Database Management System questions :/introduction to DBMS, File system vs DBMS? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the Database Management System MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. Database is collection of------------.

A. Programs B. Modules
C. Data D. None of the above

Q.2.-------is collection of interrelated data and set of program to access them.

A. Database Management System B. Programming language
C. Database D. Data Structure

Q.3. DBMS should provide following feature(s)---------.

A. Safety of the information stored B. Protect data from system crash
C. Authorized access D. All of the above

Q.4. Which of the following is the example of DBMS?

A. Foxpro B. Access
C. Oracle D. All of the above

Q.5. Before use of DBMS information was stored using ---------.

A. File Management System B. Cloud Storage
C. Data System D. None of the above

Q.6. The DBMS acts as an interface between what two components of an database system?

A. Database and User B. Data and Database
C. Database and SQL D. Database and SQL

Q.7. The DBMS acts as an interface between what two components of an enterprise-class database system?

A. Database application and the database B. Data and the database
C. The user and the database application D. Database application and SQL

Q.8. The following are components of a database except-------

A. user data B. Reports
C. metadata D. indexes

Q.9. An application where only one user accesses the database at a given time is an example of-------------.

A. single-user database application B. multiuser database application
C. data mining database application D. e-commerce database application

Q.10. The following are functions of a DBMS except-------.

A. creating and processing forms B. creating databases
C. processing data D. administrating databases

Q.11. The DBMS is the software that interacts with the ……………….and thedatabase.

A. User’s system database B. User’s system programs
C. User’s application programs D. None of the above

Q.12. An advantage of the database management approach is--------

A. Data is dependent on programs.
B. Data redundancy increases.
C. Data is integrated and can be accessed by multiple programs.
D. None of the above.

Q.13. Which two files are used during operation of the DBMS?

A. Query languages and utilities B. Data dictionary and transaction log
C. DML and query language D. None of the above

Q.14. Disadvantages of File systems to store data is: ---------.

A. Data isolation B. Data redundancy and inconsistency
C. Difficulty in accessing data D. All of the above

Q.15. DBMS is a collection of..........that enables user to create and maintain a database.

A. Keys B. Translators
C. Program D. Language Activity

Compiler Construction MCQ : Introduction-Compiler, Structure of Compiler, Phases of Compiler : Link1

Compiler Construction MCQ & Answers

Are you worried about the answers to Compiler Construction questions :Defination of Compiler, Structure of Compiler, Aspects of Compiler, Phases of Compiler? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the Compiler Construction MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. If the source language is high-level language and the object language is a low-level language(assembly or machine), then such a translator is called as a -------------.

A. translator B. assembler
C. compiler D. interpreter

Q.2. Compiler translates the source code to-------

A. Executable code B. Machine code
C. Binary code D. Both B and C

Q.3. A ------------ is a program that takes as input a program written in source language and produces as output a program in another language as object language.

A. translator B. assembler
C. compiler D. interpreter

Q.4. The linker is-----------

A. same as loader B. required to create a load module
C. user source code as input D. always used before programs are executed

Q.5. The compilation process is partitioned into a series of sub processes called --------

A. phases B. sub program
C. module D. subsets

Q.6. Compiler can check-------error.

A. Logical B. Syntax
C. Content D. Both A and B

Q.7. An interpreter is a program that directly executes an---------- code.

A. source B. object
C. intermediate D. subject

Q.8. Resolution is externally defined symbols is performed by -------

A. Linker B. Loader
C. Compiler D. Assembler

Q.9. If the source language is an assembly language and the target language is a machine language, then the translator is called an ------------.

A. translator B. compiler
C. assembler D. interpreter

Q.10. Data structure used to record the information is called a -------table.

A. syntactic B. value
C. symbol D. tokens

Q.11. ---------is used for translators that take programs in one high-level language into equivalent programs in another high-level language.

A. Preprocessor B. Compiler
C. Assembler D. Translator

Q.12. --------phase is known as the front-end of the compiler.

A. Analysis B. Synthesis
C. Semantic analysis D. both A & B

Q.13. In an implementation of a compiler, portions of one or more phases are combined into a module called a --------.

A. parser B. pass
C. scanner D. set

Q.14. A compiler takes as input a source program and produces as output an equivalent sequence of ---------.

A. user program B. object language
C. machine instructions D. call

Q.15. ------phase is known as the back-end of the compiler.

A. Analysis B. Synthesis
C. Semantic analysis D. both A & B

Operating System MCQ : Introduction : Operating System Structure : Link1

Operating System MCQ : Introduction : Operating System Structure,system boot : Link1

Operating System MCQ & Answers

Are you worried about the answers to Operating System questions :Oprating System structure, system boot, interrupt? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the Operating System MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. What is Operating System?

A. It acts as an interface between the hardware and application programs.
B. It is a system srevice provider to the application programs.
C. It is a collection of programs that manage hardware resources.
D. All of the above

Q.2. When was the first operating system developed?

A. 1948 B. 1949
C. 1950 D. 1951

Q.3. Which one of the following is not true?

A. kernel is the program that constitutes the central core of the operating system.
B. kernel is the first part of operating system to load into memory during booting.
C. kernel is made of various modules which can not be loaded in running operating system.
D. kernel remains in the memory during the entire computer session.

Q.4. Which process checks to ensure the components of the computer are operating and connected properly?

A. Processing B. Saving
C. Booting D. Editing

Q.5. Interrupts form an important part of-------systems

A. Batch processing B. Multitasking
C. Real-time processing D. Multi-user

Q.6. --------is the first program run on a computer, when the computer boots up.

A. Processing System B. System Operations
C. Operating System D. None of the above

Q.7. Which of following is not an advantage of multiprogramming ?

A. increased throughput B. shorter response time
C. ability to assign priorities of jobs D. decreased system overload

Q.8. Multiprogramming systems-----------

A. are easier to develop than single programming systems.
B. execute each job faster.
C. execute more jobs in the same time.
D. are used only on large main frame computers.

Q.9. What is the main difference between a mainframe and a super computer?

A. Super computer is much larger than mainframe computers.
B. Super computers are much smaller than mainframe computers.
C. Supercomputers are focused to execute few programs as fast as possible while mainframe uses its power to execute as many programs concurrently.
D. Supercomputers are focused to execute as many programs as possible while mainframe uses its power to execute few programs as fast as possible.

Q.10. Accessing same data from storage of the computer system is provided by-------

A. serial clusters B. clusters
C. parallel clusters D. both A and B

Q.11. When many users accesses mainframes, this approach is called as------

A. resource allocation B. word processors
C. dedicated resources D. interface

Q.12. Another type of multiple-CPU system is the------

A. mini Computer B. Super Computer
C. Clustered System D. both A and B

Q.13. Multiprogramming of the computer system increases------

A. memory B. CPU utilization
C. storage circuits D. cost

Q.14. What is bootstrapping called?

A. Cold boot B. Cold hot boot
C. Cold hot strap D. Hot boot

Q.15. An interrupt that can be temporarily ignored is------

A. Vectored interrupt B. Non-maskable interrupt
C. Maskable interrupt D. High priority interrupt

Theoretical Computer Science MCQ : Introduction -Regular Expression, Regular Language : Link2

Theoretical Computer Science MCQ & Answers

Are you worried about the answers to Theoretical Computer Science questions :Regular Expression, Regular Language? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the Theoretical Computer Science MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. Consider following regular expression
i) (a/b)*
ii) (a/b)*
iii) ((ϵ/a)b)
Which of the following statements are correct?

A. i,ii are equal and ii,iii are not B. i,ii are equal and i,iii are not
C. ii,iii are equal and i,ii are not D. all are equal

Q.2. (a+b)* is equivalent to-------

A. b*a* B. (a*b*)*
C. a*b* D. None of the above.

Q.3. A regular language over an alphabet a is one that can be obtained from------

A. Union B. kleene
C. Concatenation D. All of the above

Q.4. Which among the following is equivalent to the given regular expression?
01*+1

A. (0(1)*)+1 B. (01)*+1
C. 0((1)*+1) D. ((0*1)1*)*

Q.5. Regular Expression denote precisely the ________ of Regular Language.

A. set B. Class
C. Power Set D. Super Set

Q.6. Which among the following looks similar to the given expression? ((0+1).(0+1))*

A. {xϵ {0,1}*|x is all binary number with even length}
B. {xϵ {0,1} |x is all binary number with even length}
C. {xϵ {0,1}*|x is all binary number with odd length}
D. {xϵ {0,1} |x is all binary number with odd length}

Q.7. The set of all strings over ∑ = {a,b} in which strings consisting a’s and b’s and ending with in bb is

A. (a+b)* bb B. ab
C.{ a*bbb} D. All of the above

Q.8. Regular expressions are used to represent which language?

A. Recursive language B. Regular language
C. Context free language D. All of the above

Q.9. The set of all strings over ∑ ={a,b} in which a single a is followed by any number of b’s or a single b followed by any number of a’s is-----

A. ab* + ba* B. ab*ba*
C. a*b + b*a D. None of the above

Q.10. The set of all strings over ∑ = {a,b} in which all strings having bbbb as substring is-------

A. bbb(a+b)* B. (a+b)* bbbb (a+b)*
C. bb (a+b)* D. (a+b)* bb (a+b)*bb

Q.11. In regular expressions, the operator ‘*’ stands for------

A. Concatenation B. Addition
C. Selection D. Iteration

Q.12. Which of the following is NOT the set of regular expression R = (ab + abb)* bbab

A. abbbab B. ababbabbbab
C. abababab D. ababbbbab

Q.13. What is/are the applications of Regular Expression?

A. Designing compilers B. Developing text editors
C. Simulating sequential circuits D. All of the above

Q.14. Which of the following operation can be applied on regular expressions?

A. Union B. Closure
C. Concatenation D. All of the above

Q.15. The regular expression with all strings of 0′s and 1′s with at least two consecutive 0′s is------

A. 1 + (10)* B. (0+1)*011
C. (0+1)*00(0+1)* D. 0*1*2*

Theoretical Computer Science MCQ : Introduction -Set, Symbol, Alphabet, String, Formal Language : Link1

Theoretical Computer Science MCQ & Answers

Are you worried about the answers to Theoretical Computer Science questions :Set, Alphabet, String, Regular Expression identities, Formal language? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the Theoretical Computer Science MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. A---------is an ordered collection of objects.

A. Relation B. Set
C. Function D. Proposition

Q.2. ϵL is equivalent to-------

A. L B. Lϵ
C. ϵ D. Φ

Q.3. Which among the following is not an associative operation?

A. Union B. Dot
C. Concatenation D. None of the above

Q.4. If ∑= {0,1}, then Ф* will result to--------

A. ε B. Ф
C. ∑ D. None of the above

Q.5. Which among the following are incorrect regular identities?

A. εR=R B. ε*=ε
C. Ф*=ε D. RФ=R

Q.6. Which of the following statement is correct?

Statement 1: ε represents a single string in the set.
Statement 2: Ф represents the language that consist of no string.

A. Statement 1 and 2 both are correct.
B. Statement 1 is false but 2 is correct.
C. Statement 1 and 2 both are false.
D. There is no difference between both the statements, ε and Ф are different notation for same reason.

Q.7. Let for ∑= {0,1} R= (∑∑∑) *, the language of R would be--------

A. {w | w is a string of odd length}
B. {w | w is a string of length multiple of 3}
C. {w | w is a string of length 3}
D. All of the above.

Q.8. RR* can be expressed in which of the forms--------

A. R+ B. R
C. R- D. R+ U R-

Q.9. Concatenation of R with Ф output is -------

A. R B. Ф
C. R.Ф D. None of the above.

Q.10. The appropriate precedence order of operations over a Regular Language is-------

A. Kleene, Union, Concatenate B. Kleene, Dot, Union
C. Kleene, Star, Union D. Star, Union, Dot

Q.11. Let R and S be binary relations on a set A. Suppose that R is reflexive, symmetric, and transitive and that S is symmetric, and transitive but is not reflexive. Which statement is always true for any such R and S?

A. R ∪ S is symmetric but not reflexive and not transitive.
B. R ∪ S is symmetric but not reflexive.
C. R ∪ S is transitive and symmetric but not reflexive
D. R ∪ S is reflexive and symmetric.

Q.12. Assume the R is a relation on a set A, aRb is partially ordered such that a and b are------

A. Reflexive B. Transitive
C. Symmetric D. Reflexive and transitive

Q.13. The word 'formal' in formal languages means----------

A. the symbols used have well-defined meaning.
B. they are unnecessary, in reality.
C. only form of the string of symbols is significant.
D. Both (A) and (B)

Q.14. P, Q, R be regular expression over ∑, P is not ε, then R=Q + RP has a unique solution:

A. Q*P B. QP*
C. (P*O*)* D. Q*P*

Q.15. Arden’s theorem is true for--------

A. Null transitions B. Non-null transitions
C. More than one initial states D. None of the above

WordPress Programming Language mcq : WordPress Basic : Link1

wordpress programming language mcq : WordPress Basic : Link1

WordPress MCQ Answers

Are you worried about the answers to WordPress questions? We have arranged the Show Answer button under the each question. Candidates can click on it to know the right option among the given alternatives. Furthermore, the applicants can check our web portal @ www.totalmcq.com to take part in more MCQ on various subject. Wish, the given information about the WordPress MCQ will helpful to the advance and can learn the various types of questions and answers.

Q.1. What is Wordpress?

A. Framework B. CMS
C. Programming Language D. Operating System

Q.2. Which relational database does WordPress use?

A. Oracle B. PostgresSQL
C. MySQL D. All of the above

Q.3. Which is highest privilege level in WordPress?

A. Administrator B. Contributor
C. Author D. Editor

Q.4. Multilingual sites are allowed in WordPress. State true or false

A. True B. False

Q.5. What is name of configuration file in WordPress?

A. header.php B. wp-settings.php
C. wp-config.php D. page.php

Q.6. In which programming language WordPress is written?

A. Java B. Node
C. PHP D. JavaScript

Q.7. Which one of the following is not a WordPress role?

A. Administrator B. Subscriber
C. System D. Editor

Q.8. What is the name of the first page you encounter after logging into your web page?

A. Dashboard B. Security question page
C. WP upgrade optionequipment D. WPAdmin

Q.9. How can you get involved with WordPress?

A. Attend Word Camp B. Edit the Codex (documentation)
C. Help in the Forums D. All of the above

Q.10. Which of the following is not a CMS?

A. WordPress B. Drupal
C. Magneto D. SAP

Q.11. What is the purpose of using CMS?

A. To Make regular web designing easy.
B. To reach out to audience with low coding knowledge
C. Because its very user friendly
D. All of the above

Q.12. What ways to use WordPress?

A. Arcade B. Blog
C. Content Management System (CMS) D. All of the above

Q.13. What is the latest version of WordPress?

A. 5.4 B. 5.5
C. 5.6 D. 5.7

Q.14. What case we cannot recommend WordPress to our client?

A. If client is working on non-CMS base project
B. If site wants complex or innovative e-commerce
C. In case of enterprise intranet solution
D. All of the above

Q.15. Which of the following web server support the WordPress?

A. WAMP B. LAMP
C. XAMP D. All of the above

Database Management System MCQ : Introduction, file system : Link1

Database Management System MCQ : Introduction, file system : Link1

Compiler Construction MCQ & Answers

Q.1. Database is collection of------------.

Q.2.-------is collection of interrelated data and set of program to access them.

Q.3. DBMS should provide following feature(s)---------.

Q.4. Which of the following is the example of DBMS?

Q.5. Before use of DBMS information was stored using ---------.

Q.6. The DBMS acts as an interface between what two components of an database system?

Q.7. The DBMS acts as an interface between what two components of an enterprise-class database system?

Q.8. The following are components of a database except-------

Q.9. An application where only one user accesses the database at a given time is an example of-------------.

Q.10. The following are functions of a DBMS except-------.

Q.11. The DBMS is the software that interacts with the ……………….and thedatabase.

Q.12. An advantage of the database management approach is--------

Q.13. Which two files are used during operation of the DBMS?

Q.14. Disadvantages of File systems to store data is: ---------.

Q.15. DBMS is a collection of..........that enables user to create and maintain a database.

Compiler Construction MCQ : Introduction-Compiler, Structure of Compiler, Phases of Compiler : Link1

Compiler Construction MCQ : Introduction-Compiler, Structure of Compiler, Phases of Compiler : Link1

Compiler Construction MCQ & Answers

Q.1. If the source language is high-level language and the object language is a low-level language(assembly or machine), then such a translator is called as a -------------.

Q.2. Compiler translates the source code to-------

Q.3. A ------------ is a program that takes as input a program written in source language and produces as output a program in another language as object language.

Q.4. The linker is-----------

Q.5. The compilation process is partitioned into a series of sub processes called --------

Q.6. Compiler can check-------error.

Q.7. An interpreter is a program that directly executes an---------- code.

Q.8. Resolution is externally defined symbols is performed by -------

Q.9. If the source language is an assembly language and the target language is a machine language, then the translator is called an ------------.

Q.10. Data structure used to record the information is called a -------table.

Q.11. ---------is used for translators that take programs in one high-level language into equivalent programs in another high-level language.

Q.12. --------phase is known as the front-end of the compiler.

Q.13. In an implementation of a compiler, portions of one or more phases are combined into a module called a --------.

Q.14. A compiler takes as input a source program and produces as output an equivalent sequence of ---------.

Q.15. ------phase is known as the back-end of the compiler.

Operating System MCQ : Introduction : Operating System Structure : Link1

Operating System MCQ : Introduction : Operating System Structure,system boot : Link1

Operating System MCQ & Answers

Q.1. What is Operating System?

Q.2. When was the first operating system developed?

Q.3. Which one of the following is not true?

Q.4. Which process checks to ensure the components of the computer are operating and connected properly?

Q.5. Interrupts form an important part of-------systems

Q.6. --------is the first program run on a computer, when the computer boots up.

Q.7. Which of following is not an advantage of multiprogramming ?

Q.8. Multiprogramming systems-----------

Q.9. What is the main difference between a mainframe and a super computer?

Q.10. Accessing same data from storage of the computer system is provided by-------

Q.11. When many users accesses mainframes, this approach is called as------

Q.12. Another type of multiple-CPU system is the------

Q.13. Multiprogramming of the computer system increases------

Q.14. What is bootstrapping called?

Q.15. An interrupt that can be temporarily ignored is------

Theoretical Computer Science MCQ : Introduction -Regular Expression, Regular Language : Link2

Theoretical Computer Science MCQ : Introduction -Regular Expression, Regular Language : Link2

Theoretical Computer Science MCQ & Answers

Q.1. Consider following regular expression i) (a/b)* ii) (a*/b*)* iii) ((ϵ/a)b*)* Which of the following statements are correct?

Q.2. (a+b)* is equivalent to-------

Q.3. A regular language over an alphabet a is one that can be obtained from------

Q.4. Which among the following is equivalent to the given regular expression? 01*+1

Q.5. Regular Expression denote precisely the ________ of Regular Language.

Q.6. Which among the following looks similar to the given expression? ((0+1).(0+1))*

Q.7. The set of all strings over ∑ = {a,b} in which strings consisting a’s and b’s and ending with in bb is

Q.8. Regular expressions are used to represent which language?

Q.9. The set of all strings over ∑ ={a,b} in which a single a is followed by any number of b’s or a single b followed by any number of a’s is-----

Q.10. The set of all strings over ∑ = {a,b} in which all strings having bbbb as substring is-------

Q.11. In regular expressions, the operator ‘*’ stands for------

Q.12. Which of the following is NOT the set of regular expression R = (ab + abb)* bbab

Q.13. What is/are the applications of Regular Expression?

Q.14. Which of the following operation can be applied on regular expressions?

Q.15. The regular expression with all strings of 0′s and 1′s with at least two consecutive 0′s is------

Theoretical Computer Science MCQ : Introduction -Set, Symbol, Alphabet, String, Formal Language : Link1

Theoretical Computer Science MCQ : Introduction -Set, Symbol, Alphabet, String, Formal Language : Link1

Theoretical Computer Science MCQ & Answers

Q.1. A---------is an ordered collection of objects.

Q.2. ϵL is equivalent to-------

Q.3. Which among the following is not an associative operation?

Q.4. If ∑= {0,1}, then Ф* will result to--------

Q.5. Which among the following are incorrect regular identities?

Q.1. Consider following regular expression
i) (a/b)*
ii) (a/b)*
iii) ((ϵ/a)b)
Which of the following statements are correct?

Q.4. Which among the following is equivalent to the given regular expression?
01*+1