Description : A .................. normal form normalization will be needed where all attributes in a relation tuple are not functionally dependent only on the key attribute. A) First B) Second C) Third D) Fourth
Last Answer : C) Third
Description : A ………………. Does not have a distinguishing attribute if its own and mostly are dependent entities, which are part of some another entity. A) Weak entity B) Strong entity C) Non attributes entity D) Dependent entity
Last Answer : A) Weak entity
Description : .......... is a special type of programming language used to provide instructions to the monitor simple batch processing schema. A) Job control language (JCL) B) Processing control language (PCL) C) Batch control language (BCL)
Last Answer : A) Job control language (JCL)
Description : A software company needs to develop a project that is estimated as 1000 function points and is planning to use JAVA as the programming language whose approximate lines of code per function point is accepted as 50. Considering a=1. ... ? (1) 11.2 months (2) 12.2 months (3) 13.2 months (4) 10.2 months
Last Answer : Generally, any projects are measured in weeks. However, the complex project might take more time depending on the level of object re-use available.
Description : Which of the following is not a characteristic of a marketing objective? A)Consistent with both business -unit and corporate strategy B)Expressed in clear, simple terms C)Written ... accurately D)Specifies a time frame for its accomplishment E)Detailed enough for marketing strategy implementation
Last Answer : E)Detailed enough for marketing strategy implementation
Description : Let E1 and E2 be two entities in E-R diagram with simple single valued attributes. R1 and R2 are two relationships between E1 and E2 where R1 is one-many and R2 is many-many. R1 and R2 do not have any ... are required to represent this situation in the Relational Model? (A) 4 (B) 3 (C) 2 (D) 1
Last Answer : (B) 3
Description : Let M and N be two entities in an E-R diagram with simple single vale attributes. R1 and R2 are two relationship between M and N, whereas R1 is one-to-many and R2 is many-to-many. The minimum number of tables required to ... and R2 in the relational model are .......... (1) 4 (2) 6 (3) 7 (4) 3
Last Answer : Answer: 4
Description : Given the following statements with respect to linear programming problem: S1: The dual of the dual linear programming problem is again the primal problem S2: If either the primal or the dual problem has an unbounded objective function ... S1 and S2 (B) S1 and S3 (B) S2 and S3 (D) S1, S2 and S2
Last Answer : (D) S1, S2 and S2
Description : Can someone give me a simple explanation of what a non-computable number is?
Last Answer : I think wikipedia explained it well: In mathematics, particularly theoretical computer science and mathematical logic, the computable numbers, also known as the recursive numbers or the computable reals, are the real ... number is any number (it's an infinite set) that doesn't meet that definition.
Description : Which one of the following non-functional quality attributes is not highly affected by the architecture of the software ? (A) Performance (B) Reliability (C) Usability (D) Portability
Last Answer : (C) Usability
Description : What kind of mechanism is to be taken into account for converting a weak entity set into strong entity set in entity-relationship diagram ? (A) Generalization (B) Aggregation (C) Specialization (D) Adding suitable attributes
Last Answer : (D) Adding suitable attributes
Description : Which of the following statements is FALSE about weak entity set ? (A) Weak entities can be deleted automatically when their strong entity is deleted. (B) Weak entity set avoids the data ... weak entity set are not partitioned according to their relationship with tuples in a strong entity set.
Last Answer : (D) Tuples in a weak entity set are not partitioned according to their relationship with tuples in a strong entity set.
Description : Which one of the following principles is not applicable to sampling? (A) Sample units must be clearly defined (B) Sample units must be dependent on each other (C) Same units of sample should be used throughout the study (D) Sample units must be chosen in a systematic and objective manner
Last Answer : (B) Sample units must be dependent on each other
Description : ______provides a powerful and natural mechanism for organizing and structuring your software. It also explains how classes inherit state and behavior from their super classes and explains how to derive one class ... the java programming language: a) Object b) Inheritance c) Class d) None of These
Last Answer : b) Inheritance
Description : Java has its origin in A) C programming language B) PERRL C) COBOL D) Oak programming language
Last Answer : D) Oak programming language
Description : The pure object oriented programming language with extensive metadata available and modifiable at run time is (A) Small talk (B) C++ (C) Java (D) Eiffel
Last Answer : (A) Small talk
Description : Which one of the following is correct? (A) Java applets cannot be written in any programming language (B) An applet is not a small program. (C) An applet can be run on its own. (D) Applets are embedded in another applications.
Last Answer : (D) Applets are embedded in another applications.
Description : Which of the following is false for the programming language PROLOG? (A) A PROLOG variable can only be assigned to a value once (B) PROLOG is a Strongly Typed Language. (C) The scope of a variable in PROLOG is a single clause or rule. (D) the scope of a variable in PROLOG is a Single Query
Last Answer : (B) PROLOG is a Strongly Typed Language.
Description : Language model used in LISP is ................. (A) Functional programming (B) Logic programming (C) Object oriented programming (D) All of the above
Last Answer : (A) Functional programming
Description : Which of the following statements is not correct? (A) HTML is not screen precise formatting language. (B) HTML does not specify a logic. (C) DHTML is used for developing highly interactive web pages. (D) HTML is a programming language.
Last Answer : (D) HTML is a programming language.
Description : Given the following statements: (a) To implement Abstract Data Type, a programming language require a syntactic unit to encapsulate type definition. (b) To implement ADT, a programming language requires some primitive operations that are ... (b) and (c) are false. (D) (a), (b) and (c) are true.
Last Answer : (D) (a), (b) and (c) are true.
Description : The conceptual model is (A) dependent on hardware. (B) dependent on software. (C) dependent on both hardware and software . (D) independent of both hardware and software.
Last Answer : (D) independent of both hardware and software.
Description : Which of the following is false regarding the evaluation of computer programming languages? (A) Application oriented features (B) Efficiency and Readability (C) Software development (D) Hardware maintenance cost
Last Answer : (D) Hardware maintenance cost
Description : The following three golden rules: (i) Place the user in control (ii) Reduce the user’s memory load (iii) Make the interface consistent are for (A) User satisfaction (B) Good interface design (C) Saving system’s resources (D) None of these
Last Answer : (B) Good interface design
Description : Which of the following statements is true? (1) The sentence S is a logical consequence of S1,..., Sn if and only if S1˄S2˄........˄Sn→S is satisfiable. (2) The sentence S is a logical consequence of ... S is a logical consequence of S1,..., Sn if and only if S1˄S2˄........˄Sn˄S is inconsistent.
Last Answer : The sentence S is a logical consequence of S1,..., Sn if and only if S1˄S2˄........˄Sn→S is valid.
Description : Which of the following are the principles tasks of the linker? I. Resolve external references among separately compiled program units. II. Translate assembly language to machine code. III. Relocate code and data relative to the beginning of ... (A) I and II (B) I and III (C) II and III (D) I and IV
Last Answer : (B) I and III
Description : Which of the following commands is used to display the directory attributes rather than its contents? A. ls -l -d B. ls -l C. ls -x D. ls -F E. None of the above
Last Answer : A. ls -l -d
Description : ………………….. operator is basically a join followed by a project on the attributes of first relation. A) Join B) Semi-Join C) Full Join D) Inner Join
Last Answer : B) Semi-Join
Description : Select operator is not a unary operator. ii) Project operator chooses subset of attributes or columns of a relation. A) i-True, ii-False B) i-True, ii-True C) i-False, ii-True D) i-False, ii-False
Last Answer : C) i-False, ii-True
Description : ............. is a combination of two of more attributes used as a primary key A) Composite Key B) Alternate Key C) Candidate Key D) Foreign Key
Last Answer : A) Composite Key
Description : Identify the criteria for designing database from the point of view of user A) No redundancy B) No inapplicable attributes C) Uniformity in naming & definitions of the data items D) All of the above
Last Answer : D) All of the above
Description : In RDBMS, Data is presented as a collection of ............ A) Table B) Attributes C) Relations D) Entities
Last Answer : C) Relations
Description : In the ........... normal form, a composite attribute is converted to individual attributes. A) First B) Second C) Third D) Fourth
Last Answer : A) First
Description : The number of attributes in relation is called as its ..................... A) Cardinality B) Degree C) Tuples D) Entity
Last Answer : B) Degree
Description : The main task carried out in the …………… is to remove repeating attributes to separate tables. A) First Normal Form B) Second Normal Form C) Third Normal Form D) Fourth Normal Form
Last Answer : D) Fourth Normal Form
Description : The number of tuples in a relation is called its …………. While the number of attributes in a relation is called it’s ……………….. A) Degree, Cardinality B) Cardinality, Degree C) Rows, Columns
Last Answer : B) Cardinality, Degree
Description : The one guideline to be followed while designing the database is A) A database design may be ambiguous. B) Unrelated data should be in the same table so that updating the data will be easy. C) It should avoid/reduce the redundancy. D) An entity should not have attributes.
Last Answer : C) It should avoid/reduce the redundancy.
Description : _____ produces the relation that has attributes of R1 and R2 (A) Cartesian product (B) Difference (C) Intersection (D) Product
Last Answer : A) Cartesian product
Description : In a relational model, relations are termed as (A) Tuples. (B) Attributes (C) Tables. (D) Rows.
Last Answer : (C) Tables
Description : In the relational modes, cardinality is termed as: (A) Number of tuples. (B) Number of attributes. (C) Number of tables. (D) Number of constraints
Last Answer : (A) Number of tuples
Description : An ER Model includes I. An ER diagram portraying entity types. II. Attributes for each entity type III. Relationships among entity types. IV. Semantic integrity constraints that reflects the business rules about data not ... ; IV (B) I&IV (C) I, II & IV (D) I & III
Last Answer : (A) I, II, III & IV
Description : Select the ‘False’ statement from the following statements about Normal Forms: (A) Lossless preserving decomposition into 3NF is always possible (B) Lossless preserving decomposition into BCNF is always possible (C) Any relation with two attributes is in BCNF (D) BCNF is stronger than 3NF
Last Answer : (B) Lossless preserving decomposition into BCNF is always possible
Description : Semi-join strategies are techniques for query processing in distributed database system. Which of the following is a semi-join technique? (A) Only the joining attributes are sent from one site to ... the attributes are sent from one site to another and then only the required rows are returned.
Last Answer : (C) Only the joining attributes are sent from one site to another and then only the required rows are returned.
Description : Consider the following database table having A, B, C and D as its four attributes and four possible candidate keys (I, II, III and IV) for this table: I: {B} II: {B, C} III: {A, D} IV: {C, D} If ... the database table? (A) I and III only (B) III and IV only (C) II only (D) I only
Last Answer : (C) II only
Description : Consider a database table R with attributes A and B. Which of the following SQL queries is illegal ? (A) SELECT A FROM R; (B) SELECT A, COUNT(*) FROM R; (C) SELECT A, COUNT(*) FROM R GROUP BY A; (D) SELECT A, B, COUNT(*) FROM R GROUP BY A, B;
Last Answer : (B) SELECT A, COUNT(*) FROM R;
Description : Symmetric - key cryptography refers to ______methods in which both the sender and receiver share the same key ( or , less commonly, in which their keys are different but related in an easily computable way): a) Encryption b) Decryption c) Both of above d) None of These
Last Answer : a) Encryption
Description : Consider the formula in image processing RD = 1 - (1/CR) Where CR = n1/n2 CR is called as compression ratio n1 and n2 denotes the number of information carrying units in two datasets that represent ... . (A) Data Compression (B) Data Redundancy (C) Data Relation (D) Data Representation
Last Answer : (B) Data Redundancy
Description : Name the attributes of tag which are used for specifying its dimensions in a Web page. -Technology
Last Answer : width and height attributes of the tag are used for specifying its dimensions in a Web page, width and height are specified in terms of pixels or percentage of the browser window.
Description : 1) Which one of the following buying situations is MOST consistent with routine response behaviour? A)John buying his first pair of basketball shoes B)Mary buying a new set of tyres for her car ... rod and reel D)Sally buying a quarter pounder at McDonalds E)Bill buying a new software programme
Last Answer : D)Sally buying a quarter pounder at McDonalds