NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Computer Science MCQs (Practice_Test 3 of 6)
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- The relational model whose guiding ideas were published in 1970 has dominated the area of
- software system
- hardware system
- database research and development
- none of the above
- A link is represented by a diagram, called a
- Bachman diagram
- Pascal diagram
- Theory diagram
- none of die above
- A great advantage of Modula-2 over Ada is that it is a
- greater language
- small language
- Pascal language
- none of die above
- Integrity constraints are predicates which must be true for data stored in the
- system
- hardware system
- database
- none of the above
- In a distributed DBMS one may add a third factor which is the transmission time in the
- relation
- system
- network
- none of die above
- A transaction is the unit of concurrency
- system
- recovery control
- software system
- none of the above
- A DBMS allows data manipulation through primitive operations which can be grouped to form
- data transactions
- software system
- hardware system
- none of the above
- The INSERTION clause specifies the storage method as either AUTOMATIC or
- DBMS
- MANUAL
- CODASYL
- None of the above
- The RETENTION clause specifies the degree of freedom available to the members of a
- database
- system
- link
- none of the above
- When items stored in primary storage need to be kept permanently, they can be transferred to secondary storage. Example of secondary storage media are
- magnetic disks and tape
- air
- water
- none of the above
- Programs are list of instructions that a computer can use to solve a problem. A program or series of programs is called
- hardware
- software
- language program
- none of the above
- Pascal provides standard fifes, named
- input and output
- input only
- output only
- none of the above
- An operating system contains
- one type of program
- several types of programs
- only two types of programs
- none of the above
- Computers can only perform
- two basic operations
- three basic operations
- several basic operations
- none of the above
- A data model may be defined as a pattern according to which data are
- organized
- weakly organized
- The term ‘software engineering’ implies the application of scientific knowledge and discipline to the construction of
- systems
- hardware systems
- software systems
- none of the above
- In software system, the data must be shared among
- a very few users
- many different users
- two users
- none of the above
- One of the most important techniques for dealing with complexity in software systems is the
- principle of abstraction
- principle of stepwise refinement
- maintainability of the system
- none of the above
- Concurrency control in database management systems, including
- database procedure
- transaction
- alternatives to locking
- none of the above
- The developments in software engineering have led to the emergence of a
- programming language
- new class of programming language
- new class of system
- none of the above
- Program correctness has been a strong motivation for much of the work in software engineering
- hardware system
- assembly language
- programming language design
- none of the above
- Modula-2 is a language which is suitable both for the implementation of
- database system only
- application programs
- database management systems and application programs
- none of the above
- The logical database design is a
- three stage process
- two-stage process.
- four stage process
- none of the above