501 – 600 Key Points

500) F2 keys of control center specified below displays data, toggles browse/edit
501) A compiler breaks the source code into a uniform stream of tokens by lexical analysis
502) The number of processes that may running at the same time in a large system can be thousands
503) LET.BAS files are related to Microsoft word utility
504) A command in UNIX can have one or more arguments
505) A hard disk is logically organized according to cylinders and sectors
506) A frame can include text & graphics, tables & graphics, graphics
507) All the formatting data for the paragraph is stored in the paragraph mark
508) The abbreviation CAD stands for computer aided design
509) We can define hypertext definition in notebooks using Macsyma 2.0
510) The addressing mode(s) that can be used in a formula is/are- absolute, relative and mixed
511) WINDOWS can work in enhanced and standard modes
512) The part of a machine level instruction which tells the central processor what has to be done is an operation code
513) O-Matrix software packages do not have animation capabilities
514) In order to paste text form the clipboard in the document being edited, press the Ctrl-A key
515) A program that converts a high level language program to a set of instructions that can run on a computer is called a compiler
516) Faster execution of programs is not an advantage of a subroutine
517) First generation of computer period is 1945-1950
518) IBM built first PC in the year 1981
519) A small computer program embedded within an HTML document when a user retrieves the web page from a web server is called an applet
520) Another name for systems implementation is transformation
521) The central host computer or file server in a star network maintains control with its connecting devices through polling
522) C++ does not check whether the index value is within scope
523) The browser uses uniform resource locator to connect to the location or address of internet resources
524) In the centralized computing architecture, the entire file is downloaded from the host computer to the user’s computer in response to a request for data
525) An expert system enables one or more users to move and react to what their senses perceive in a computer simulated environment
526) Popping or removing an element from an empty stack is called underflow
527) The ability to combine data and operations on that data in a single unit is known as polymorphism
528) A router is a device that sites between your internal network and the internet and limits access into and out of your network based on your organization’s access policy
529) In C++, private, protected, and public are reserved words and are called member access specifiers
530) The integration of all kinds of media such as audio, video, voice, graphics and text into one coherent presentation combined is called multimedia
531) The derived class can redefine the public member functions of the base class
532) A technique for searching special databases, called data warehouses, looking for related information and patterns is called data mining
533) Like the quick sort the merge sort uses the divide and conquer technique to sort a list
534) The use of expert systems technology can greatly reduce the number of calls routed to a customer service department
535) Building a list in the backward manner, a new node is always inserted at the beginning of the list
536) Creating a web site is also called web authoring
537) Using the optimization analysis approach, the expert system starts with a conclusion and tries to verify that the rules, facts, and conclusion all match. If not, the expert system chooses another conclusion
538) Both the application program and operating system program only describes the software
539) Root is one of the items given below is not an item of the menu bar
540) BACKUP is not an internal command
541) In a disk, each block of data is written into one sector
542) Hard copy is a printed copy of machine output
543) A boot strap is a small utilization computer program to start up in inactive computer
544) CAD is oriented towards software
545) Icons are picture commands
546) IBM company for the first time launched pocket computers
547) PROM is a computer part
548) Algorithms can handle most system functions that aren’t handled directly by the operating system
549) Device drivers are small, special-purpose programs
550) LAN refers to a small, single site network
551) A collection of programs that controls how your computer system runs and processes information is called operating system
552) When we are working on a document on a PC the document is temporarily stored in RAM
553) Information travels between components on the motherboard through buses 554) Microsoft is a vertical market application
555) RAM refers to the memory in your computer
556) Computers connected to a LAN can share information and / or share equipment
557) Magnetic tape is not practical for applications where data must be quickly recalled because tape is a sequential access medium
558) In Late 1988 computer viruses land in India for the first time
559) ALU is a part of the CPU
560) In computer technology a compiler means a program, which translates source program into object program
561) American computer company IBM is called big blue
562) The first IBM PC did not have any ROM
563) The digital computer was developed primarily in UK
564) Programs which protect a disk from catching an infection are called antidotes 565) The first movie with terrific computer animation and graphics was released in 1982 is Tron
566) An integrated circuit is fabricated on a tiny silicon chip
567) The word size of a microprocessor refers to the amount of information that can be stored in the byte
568) Daisy-wheel printer cannot print graphics
569) In the IBM PC-AT, the word AT stands for advanced terminology
570) Dedicated computer means which is assigned one and only one task
571) Real time programming type of computers programming is used for aero plane ticket reservation system
572) RAM means memory which can be both read and written to
573) Laser printer uses light beam and electro statically sensitive black powder
574) The Santa Clara Valley, California is popularly known a Silicon Valley of America because many silicon chip manufacturing firms are located there
575) A program written in machine language is called assembler
576) International business machine was the first company in the world to build computer for sale
577) PARAM is a parallel computer
578) For communications, wide area networks use special purpose telephone wires and fiber optic cables and microwaves
579) Data transfer rate in modems is measured in bits per second
580) A compiler cannot detect logical errors in source programs
581) Throughput, turnaround time, response time are measures of system performance 582) OLTP architecture can handle a limited number of dimensions whereas OLAP architecture does not have any limit on the number of dimensions
583) The binary equivalent of (40.125) suffix 10 is 101000.001
584) Kernel is the only art of an operating system that a user cannot replace or modify
585)Symbol signifies a magnetic disk
586) COBOL programming language was initially developed for consumer electronics goods
587) Running, blocked, ready, terminated are different states of a process
588) Rational rose is an example of a modeling language
589) A disk worm is an example of optical devices
590) A RAID is a disk array
591) The first private internet service provider in India was Satyam infoway
592) The maximum and minimum unsigned number which can be stored in a 8 bit word is 0 and 255
593) Stack is a part of memory
594) HIT RATIO is associated with cache performance
595) Laser printer is a page printer
596) Storage capacity of a disk system depends upon number of recording surfaces and number of sectors per track
597) Abstraction is associated with object oriented technology and database technology
598) The terms opcode and operand are associated with any high level language
599) Dynamic binding is associated with object oriented programming
600) The term CHIP, JEWELLARY means a processor with high capacity