गुरुवार, 6 नवंबर 2014

COMPUTER GK

451) Cache memory is a part of main memory
452) The number 43 in 2’s complement representation is 01010101
453) The 8085 microprocessor responds to the presence of an interrupt by checking the TRAP pin for ‘high’ status at the end of each instruction fetch
454) All machinery and apparatus of computer is called hardware
455) The number 1024 bytes is the complement representation of 1 Kilo byte
456) System design specifications do not include blueprint showing the layout of hardware
457) Web pages are uniquely identified using URL
458) The results of arithmetic and logical operations are stored in an accumulator
459) The input device that is closely related to touch screen is the light pen
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

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