NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Computer Science MCQs (Practice_Test 1 of 6)
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- The name of WordStar՚s directory is
- WS5
- WS7
- WS4
- none of the above
- If you use WordStar on a dual-floppy system and start WordStar with drive A as the default you will need to change the logged drive to B when
- you put the computer on
- you start the program
- you change the drive
- none of the above
- WordStar displays an alphabetical listing of as many files on the logged disk or
- it has room for
- it has directory specification
- it has Opening Menu
- none of the above
- An entity type may contain the declaration of another entity type, and so on, in order to define
- Pascal՚s record file
- hierarchical structure
- database
- none of the above
- Important point concerning the hierarchical model is the physical implementation of the
- system
- software system
- evaluated trees
- none of the above
- The data model proposed by EF Codd in 1970 is called the
- Codd Model
- relational data model
- network model
- none of the above
- The basic idea is to consider a database as a collection of time varying tables called
- relations
- network model
- Pascal՚s structure
- none of the above
- The relational algebra is a set of operators which can be used to define new relations from
- the old ones
- existing ones
- system
- none of the above
- Relational algebra can be used to express
- relations
- system
- queries and updates
- none of the above
- SQL is a relational language which has also been implemented in several
- DBMSs
- ECA
- QUEL
- none of the above
- Relational algebra is one of the basic concepts for defining
- high-level language
- relational language
- machine language
- none of the above
- SQL is neither a pure algebraic language nor a
- machine language
- assembly language
- predicative language
- none of the above
- Codd shows that relational algebra is equivalent to first order
- differential equation
- predicate calculus
- differential calculus
- none of the above
- In SQL the statement Expand Table can be used at any time
- old relation
- given relation
- combination
- none of the above
- The tutorial is designed to quickly acquaint you with the basic knowledge of
- Computer
- WordStar
- Software programming
- none of the above
- To start WordStar on a computer with two floppy disk drives, you need to place a copy of your DOS disk in drive A before
- you start programming
- you format the disk
- you turn the computer on
- none of the above
- Before you can start WordStar, you need to be in the directory that contains all of the
- WordStar programs
- computer technology
- basic working of WordStar
- none of the above
- The original WordStar was the very first software program
- mention program
- mention word processor
- mention computing
- none of the above