601 – 700 Key Points


601) A watch point is associated with debugger
602) A multithreaded program uses multiple processes
603) Time sharing is a mechanism to provide spontaneous interactive use of a computer system by many users in such a way that each user is given the impression that he/she has his/her own computer  
604) The typical scheme of memory management used in IBMOS/360 mainframe system was that of multiprogramming with variable number of memory partitions.
605) The concepts used for realization of virtual memory are swapping, demand paging and In-line secondary storage
606) Oracle 8i is an example of OORDBMS
607) ALPHA, RIOS, SPARC are examples of RISC Processors
608) The scope of an identifier refers to where in the program an identifier is accessible
609) Hierarchy is not a component of relational database
610) A two-way selection in C++ is the if…else
611) A recursive function executes more efficiently than its iterative counterpart
612) The body of the recursive function contains a statement that causes the same function to execute before completing the last call
613) Variables that are created during program execution are called dynamic variables  
614) When destroying a list, we need a delete pointer to deallocate the memory
615) The first character in the ASCII character set is the null character, which is nonprintable
616) A variable for which memory is allocated at block entry and deallocated at block exit is called a static variable
617) Signal to noise ratio compares signal strength to noise level
618) The ability to create new objects from existing objects is known as inheritance
619) Software tools that provide automated support for the systems development process are OLAP tools
620) Applications/Web server tier processes HTTP protocol, scripting tasks, performs calculations, and provides access to data
621) A language used to describe the syntax rules is known as meta language
622) In a preorder traversal, the binary tree is traversed as follows
623) The general syntax of the function prototype of a value returning function is function name (parameter list)
624) Competitive intelligence is the process of gathering enough of the right information in a timely manner and usable form and analyzing it so that it can have a positive impact
625) Tracing values through a sequence is called a play out
626) In a binary tree, each comparison is drawn as a circle, called a node
627) The term used as a measurement of a communication channel’s data capacity is bandwidth
628) In addition to the nature of the problem, the other key factor in determining the best solution method is function
629) An E-R data model solves the problem of presenting huge information system data models is to users and developers
630) In C++, predefined functions are organized into separate libraries
631) The standard protocol (communication rules for exchange of data) of the internet is TCP/IP
632) For efficiency purposes, wherever possible, you should overload operators as member functions
633) Modifying algorithms that change the order of the elements, not their values, are also called modifying algorithms
634) As long as the tables in a relational database share at least one common data attribute, the tables in a relational database can be normalized to provide useful information and reports
635) DBMS is a simple, fourth generation language used for data retrieval
636) An occurrence of an undesirable situation that can be detected during program execution is known a exception
637) A photo of the company headquarters would be an example of the use of a static web page
638) The Pentium processor contains thousands of transistors
639) SOI technology has been successful with reference to SRAM
640) Secondary storage device is needed to print output results
641) Static random access memory does not fall under the category of secondary storage devices
642) Floppy disk is universal, portable and inexpensive but has its own limitation in terms of storage capacity and speed
643) Some physical property of the microscopic area of the disk surface is changed for recording in common for all types of disks
644) In a disk, each block of data is written into two or more sectors
645) A floppy disk rotates at 100rpm
646) A hard disk has 500 to 1000 tracks or more
647) The storage capacity of a cartridge tape is 400 MB
648) Single density recording is also known as frequency modulation
649) Printer is not an input device
650) The input device that is most closely related to a touch screen is the light pen
 651) Laser printer generates characters from a grid of pins
652) The liquid crystal display works on the basis of the relation between polaristion and electric field
653) A COBOL program in source code is not considered to be system software
 654) Firmware stored in a hard disk
655) A compiler breaks the source code into a uniform stream of tokens by lexical analysis
656) Sorting of a file tasks is not performed by a file utility program
657) Floppy disk does not generate a hardware interrupt
658) Ada language is associated with real time processing
659) MS DOS is usually supplied on a cartridge tape
660) BREAK is not an internal DOS command
661) Kernel of MS-DOS software resides in ROM
662) The UNIX operating system (available commercially) has been written in C language
663) MS-DOS has better file security system as compared to UNIX
664) UNIX is only a multiprogramming system
665) The UNIX operating system uses three files to do the task mentioned
666) In UNIX, end-of-file is indicated by typing CTRL D
667) Abacus is said to be invented by Chinese
668) An operating system is necessary to work on a computer
669) The first UNIX operating system, as it was in the development stage, was written in the assembly language
670) FAST drivers scientific software packages was developed under contract with NASA
671) LEFT () is not a date function
672) FIF editor is a windows based application
673) Graphics is inserted in frame
674) A language translator is best described as a system software
675) The specification of a floppy is identified by TPI
676) DISC () is not a database function
677) In opening menu of word star C OPTION should be selected for protecting a file
678) The most advanced form of ROM is electronically erasable programmable ROM
679) Secondary storage device is needed to store large volumes of data and programs that exceed the capacity of the main memory
680) MORE sends contents of the screen to an output device
681) NFS stands for N/W file system
682) Main protocol used in internet is TCP/IP
683) We can create a simple web page by using front page express
684) The first line/bar on the word window where the name of the document is displayed is called title bar
685) The clock frequency of a Pentium processor is 50 MHz
686) The input device that is most likely to be used to play computer games is the joystick
687) Linking the program library with main program is not performed by a file utility program
688) The UNIX operating system has been written in C language
689) BIOS of MS-DOS resides in ROM
690) The sector size of a floppy disk varies from 128 bytes to 1024 bytes
691) A program type of errors is flagged by compilers
692) A floppy diskette is organized according to tracks and sectors
693) In word star, the maximum permissible length of search string is 65
694) C is a third generation high level language
695) A CPU has a 16-bit program counter. This means that the CPU can address 64 K memory locations
696) STR () is used for converting a numeric into a character string
697) BASIC language is normally used along with an interpreter
698) In UNIX, open files are shared between the parent and the child
699) In spite of the extra power needed for refreshing. DRAMs are widely used in computers because of its lower cost relatives to SRAMs
700) PIF editor belongs to Main group