A context diagram A) Describes the context of a system B) is a DFD which gives an overview of the system C) is a detailed description of a system D) is not used in drawing a detailed DFD

A context diagram
A) Describes the context of a system
B) is a DFD which gives an overview of the system
C) is a detailed description of a system
D) is not used in drawing a detailed DFD
by

1 Answer

Answer :

B) is a DFD which gives an overview of the system
by

Related questions

A context diagram is used A) as the first step in developing a detailed DFD of a system B) in systems analysis of very complex systems C) as an aid to system design D) as an aid to programmer

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Last Answer : A) as the first step in developing a detailed DFD of a system

DFD stands for A) Data Flow Document B) Data File Diagram C) Data Flow Diagram D) Non of the above

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Last Answer : C) Data Flow Diagram

By an external entity we mean a A) Unit outside the system being designed which can be controlled by an analyst. B) Unit outside the system whose behavior is independent of the system being designed C) A unit external to the system being designed D) A unit which is not part of a DFD

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A DFD is normally leveled as A) It is a good idea in design B) It is recommended by many experts C) it is easy to do it D) It is easier to read and understand a number of smaller DFDs than one large DFD

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Last Answer : D) It is easier to read and understand a number of smaller DFDs than one large DFD

Data cannot flow between two data stores because A) it is not allowed in DFD B) a data store is a passive repository of data C) data can get corrupted D) they will get merged

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Data store in a DFD represents. A) a sequential file B) a disk store C) a repository of data

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A rectangle in a DFD represents A) a process B) a data store C) an external entity D) an input unit

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In a DFD external entities are represented by a A) Rectangle B) Ellipse C) Diamond shaped box D) Circle

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Last Answer : A) Rectangle

An audit plan is a a. Detailed plan of analytical procedures and all substantive tests to be performed in the course of the audit. b. Document that provides an overview of the company and a general plan for the audit work to be accomplished, timing of the work, and other matters of concern to the audit. c. Generic document that auditing firms have developed to lead the process of the audit through a systematic and logical process. d. Budget of the time that should be necessary to complete each phase of the audit procedure

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An audit program is a. A generic document that auditing firms have developed to lead the process of the audit through a systematic and logical process. b. An overview of the company and a general plan for the audit work to be accomplished. c. The detailed plan of audit procedures to be performed in the course of the audit. d. A budget of the time that should be necessary to complete each phase of the audit procedures

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Last Answer : The detailed plan of audit procedures to be performed in the course of the audit.

The full form of DDL is (A Dynamic Data Language (B) Detailed Data Language (C) Data Definition Language (D) Data Derivation Language

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Consider three CPU intensive processes P1, P2, P3 which require 20, 10 and 30 units of time, arrive at times 1, 3 and 7 respectively. Suppose operating system is implementing Shortest Remaining Time first (preemptive scheduling) algorithm, then .............. context switches are required (suppose context switch at the beginning of Ready queue and at the end of Ready queue are not counted). (A) 3 (B) 2 (C) 4 (D) 5

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The Introduction section of the research plan a. Gives an overview of prior relevant studies b. Contains a statement of the purpose of the study c. Concludes with a statement of the research questions &, for quantitative research, it includes the research hypothesis d. All of the above

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A detailed written description of the programming cycle and the program, along with the test results and a printout of the program is called a) documentation b) output c) reporting d) spec sheets e) None of thes

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The statements s1 and s2 are given as: s1: Context sensitive languages are closed under intersection, concatenation, substitution and inverse homomorphism. s2: Context free languages are closed under complementation, substitution and homomorphism. Which of the following is correct statement? (A) Both s1 and s2 are correct. (B) s1 is correct and s2 is not correct. (C) s1 is not correct and s2 is correct. (D) Both s1 and s2 are not correct.

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For every context free grammar (G) there exists an algorithm that passes any w ∈ L(G) in number of steps proportional to (A) ln|w| (B) |w| (C) |w|2 (D) |w|3

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Given the following statements: S1: Every context-sensitive language L is recursive. S2: There exists a recursive language that is not context sensitive. Which statement is correct? (A) S1 is not correct and S2 is not correct. (B) S1 is not correct and S2 is correct. (C) S1 is correct and S2 is not correct. (D) S1 is correct and S2 is correct.

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High level knowledge which relates to the use of sentences in different contexts and how the context affect the meaning of the sentences? (A) Morphological (B) Syntactic (C) Semantic (D) Pragmatic

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The context free grammar for the language L = {an bm | n≤m+3, n≥0, m≥0} is (A) S→aaaA; A→aAb|B, B→Bb|λ (B) S→aaaA|λ, A→aAb|B, B→Bb|λ (C) S→aaaA|aaA|λ, A→aAb|B, B→Bb|λ (D) S→aaaA|aaA|aA|λ, A→aAb|B, B→Bb|λ

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Last Answer : (D) S1 is correct and S2 is correct.

A context free grammar for L={w|n0(w)>n1(w)} is given by: (A) S→0|0S|1SS (B) S→0S|1S|0SS|1SS|0|1 (C) S→0|0S|1SS|S1S|SS1 (D) S→0S|1S|0|1

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Last Answer : (C) S→0|0S|1SS|S1S|SS1 

If all the production rules have single non - terminal symbol on the left side, the grammar defined is : (A) context free grammar (B) context sensitive grammar (C) unrestricted grammar (D) phrase grammar

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Last Answer : (A) context free grammar

The language of all non-null strings of a’s can be defined by a context free grammar as follow : S→a S|S a| a The word a3 can be generated by ................ different trees. (A) Two (B) Three (C) Four (D) Five

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Last Answer : (C) Four Explanation:

The family of context sensitive languages is ................. under union and ................. under reversal. (A) closed, not closed (B) not closed, not closed (C) closed, closed (D) not closed, closed

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Last Answer : (C) closed, closed 

Which of the following statements is false? (1) Every context-sensitive language is recursive. (2) The set of all languages that are not recursively enumerable is countable. (3) The family of recursively enumerable languages is closed under union. (4) The families of recursively enumerable and recursive languages are closed under reversal.

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Last Answer : The set of all languages that are not recursively enumerable is countable.

Given the following two statements: A. L = {w|na(w) = nb(w)} is deterministic context free language, but not linear B. L = {an bn} U {an b2n} is linear, but not deterministic context free language. Which of the following options is correct? (1) Both (A) and (B) are false. (2) Both (A) and (B) are true. (3) (A) is true, (B) is false. (4) (A) is false, (B) is true.

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Last Answer : Both (A) and (B) are true. 

Given the following two languages: L1 = {anbn|n≥0, n≠100} L2 = {w ϵ {a,b,c}*| na(w) = nb(w) = nc(w)} Which of the following options is correct? (1) Both L1 and L2 are not context free language. (2) Both L1 and L2 are context free language. (3) L1 is context free language, L2 is not context free language. (4) L1 is not context free language, L2 is context free language.

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Last Answer : L1 is context free language, L2 is not context free language.

Consider the following statements related to compiler construction: I. Lexical Analysis is specified by context-free grammars and implemented by pushdown automata. II. Syntax Analysis is specified by regular expressions and implemented by finite-state machine. Which of the above statement(s) is/are correct? (1) Only l (2) Only ll (3) Both I and II (4) Neither I nor Il

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Last Answer : Answer: 4

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Last Answer : It's a screw thread designation: Unified Coarse , which refers to the standard for thread sizes and shape used for machine screws in the US. The .250 is the nominal diameter of the screw that will fit ... , the hole is first drilled with a number 7 drill bit, then tapped using a 1/4-20 tap.

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Last Answer : (4) Number of females per 1000 males

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Last Answer : (2) Number of females per 1000 males. Explanation: As per the 2011 Census, Kerala has the highest literacy rate of 93.11% in India. Among states, it is followed by Mizoram (91.58%) and Tripura (87.75%) at second and third positions respectively.

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Last Answer : Answer: D

Which of the following provides the best description of an entity type? (A) A specific concrete object with a defined set of processes (e.g. Jatin with diabetes) (B) A value given to a particular attribute (e.g. height-230 cm) (C) A thing that we wish to collect data about zero or more, possibly real world examples of it may exist. (D) A template for a group of things with the same set of characteristics that may exist in the real world

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Last Answer : Answer: D

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Last Answer : The energy in the auditorium.

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Last Answer : c. The context within which a project is undertaken.

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