cbsenet.nic.in NET Computer Science & Applications Model Question : Central Board Of Secondary Education
Organisation : Central Board Of Secondary Education
Exam : National Eligibility Test (NET)
Document Type : Model/Previous Question Paper
Subject : Computer Science & Applications
Date/Year : 10.07.2016 & 28.08.2016
Website : http://cbsenet.nic.in/cbsenet/QuestionPaperJuly2016.aspx
Download Sample Question Paper :
Paper III 10.07.2016 : https://www.pdfquestion.in/uploads/10787-ComputerScience.pdf
Paper III 28.08.2016 : https://www.pdfquestion.in/uploads/10787-ComputerScience28.pdf
Computer Science & Applications Model Question :
Time : 2 1/2 hours
Maximum Marks : 150
Note :
** This paper contains seventy five (75) objective type questions of two (2) marks each.
** All questions are compulsory.
Related : Central Board Of Secondary Education NET Forensic Science Paper III Model Question : www.pdfquestion.in/10783.html
1. Which of the following is a sequential circuit ?
(1) Multiplexer
(2) Decoder
(3) Counter
(4) Full adder
2. 8085 microprocessor has _____ hardware interrupts.
(1) 2
(2) 3
(3) 4
(4) 5
3. Which of the following in 8085 microprocessor performs HL = HL + DE ?
(1) DAD D
(2) DAD H
(3) DAD B
(4) DAD SP
4. The register that stores all interrupt requests is :
(1) Interrupt mask register
(2) Interrupt service register
(3) Interrupt request register
(4) Status register
5. The _____ addressing mode is similar to register indirect addressing mode, except that an offset is added to the contents of the register. The offset and register are specified in the instruction.
(1) Base indexed
(2) Base indexed plus displacement
(3) Indexed
(4) Displacement
6. In _____ method, the word is written to the block in both the cache and main memory, in parallel.
(1) Write through
(2) Write back
(3) Write protected
(4) Direct mapping
7. Which of the following statements concerning Object-Oriented databases is FALSE ?
(1) Objects in an object-oriented database contain not only data but also methods for processing the data.
(2) Object-oriented databases store computational instructions in the same place as the data.
(3) Object-oriented databases are more adapt at handling structured (analytical) data than relational databases.
(4) Object-oriented databases store more types of data than relational databases and access that data faster.
8. In distributed databases, location transparency allows for database users, programmers and administrators to treat the data as if it is at one location. A SQL query with location transparency needs to specify :
(1) Inheritances
(2) Fragments
(3) Locations
(4) Local formats
9. Consider the relations R(A, B) and S(B, C) and the following four relational algebra queries over R and S :
I. A, B (R S)
II. R B(S)
III. R n (A(R) × ?B(S))
IV. A,R.B (R × S) where R·B refers to the column B in table R. One can determine that
(1) I, III and IV are the same query. (2) II, III and IV are the same query.
(3) I, II and IV are the same query. (4) I, II and III are the same query.
10. Which of the following statements is TRUE ?
D1 : The decomposition of the schema R(A, B, C) into R1(A, B) and R-> (A, C) is always lossless.
D2 : The decomposition of the schema R(A, B, C, D, E) having AD -> B, C-> DE, B -> AE and AE -> C, into R1 (A, B, D) and R2 (A, C, D, E) is lossless.
(1) Both D1 and D2
(2) Neither D1 nor D2
(3) Only D1
(4) Only D2
11. Semi-join strategies are techniques for query processing in distributed database system. Which of the following is a semi-join technique ?
(1) Only the joining attributes are sent from one site to another and then all of the rows are returned.
(2) All of the attributes are sent from one site to another and then only the required rows are returned.
(3) Only the joining attributes are sent from one site to another and then only the required rows are returned.
(4) All of the attributes are sent from one site to another and then only the required rows are returned.
12. A point P(5, 1) is rotated by 90° about a pivot point (2, 2). What is the coordinate of new transformed point P’ ?
(1) (3, 5)
(2) (5, 3)
(3) (2, 4)
(4) (1, 5)
13. In perspective projection, if a line segment joining a point which lies in front of the viewer to a point in back of the viewer is projected to a broken line of infinite extent. This is known as _______.
(1) View confusion
(2) Vanishing point
(3) Topological distortion
(4) Perspective foreshortening
Which of the following statement(s) is/are correct with reference to curve generation ?
I. Hermite curves are generated using the concepts of interpolation.
II. Bezier curves are generated using the concepts of approximation.
III. The Bezier curve lies entirely within the convex hull of its control points.
IV. The degree of Bezier curve does not depend on the number of control points.
(1) I, II and IV only
(2) II and III only
(3) I and II only
(4) I, II and III only
19. 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 built in the language processor.
(C) C++, Ada, Java 5.0, C#2005 provide support for parameterised ADT.
Which one of the following options is correct ?
(1) (A), (B) and (C) are false.
(2) (A) and (B) are true; (C) is false.
(3) (A) is true; (B) and (C) are false.
(4) (A), (B) and (C) are true.
20. Match the following types of variables with the corresponding programming languages :
(a) Static variables (i) Local variables in Pascal
(b) Stack dynamic (ii) All variables in APL
(c) Explicit heap dynamic (iii) Fortran 77
(d) Implicit heap dynamic (iv) All objects in JAVA
Codes :
(a) (b) (c) (d)
(1) (i) (iii) (iv) (ii)
(2) (iv) (i) (iii) (ii)
(3) (iii) (i) (iv) (ii)
(4) (ii) (i) (iii) (iv)