1351) RLL refers to run length limits
1352) The most important aspect of job scheduling is the ability to multiprogramming
1353) Modem is a modulator-demodulator system
1354) A data communication system requires terminal device, communication channel,
protocols
1355) The start button appears at the lower left of the screen
1356) Windows is GUI
1357) TIF stands for tagged image format
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1358) The first network that initiated the internet is ARPANET
1359) In modems a digital signal changes some characteristic of a carrier wave
1360) Favorites are accessible from the start menu
1361) The virus is a software program
1362) BANK’S is not memory chip
1363) We use RAM code to operate EGA
1364) A scanner is attached to LPT or SCSI host adapter port
1365) RAM bus is not a bus
1366) Processor bus is the fastest speed bus in system
1367) Resolution is the amount of detail that a monitor can render
1368) Sound blaster is a family of sound cards sold by creative labs
1369) MIDI is a family of sound cards sold by creative labs
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1370) MIDI is a standard for connecting musical instruments to PC’s
1371) By connecting a MIDI cable to the joystick port you can connect your PC to a MIDI
device
1372) MPC stands for multimedia personal computer
1373) Video cards, video and graphics card are example of video & audio
1374) The display technology used by monitor is CRT
1375) On a LAN each personal computer is called workstations
1376) The CPU is the next most important file server after the hard disk
1377) It is best to use the game adaptor interface on the sound card and disable any other
on system
1378) Mouse port uses keyboard controller
1379) The number of sectors per track in 1.44 MB floppy disk is 18
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1380) Pentium II system can address 62 G memory
1381) The mouse was invented by Englebart
1382) The server’s network adapter card is its link to all the work stations on LAN
1383) Magnetic drives such as floppy and hard disk drives operate by electro magnetism
1384) Clock timing is used to determine that start and end of each bit cell
1385) Head designs are of 4 types
1386) Latency is the average time that it takes for a sector to be a available after the heads
1387) Each sector is having 512 bytes
1388) DDD means digital diagnostic disk
1389) PC Technical is written in assembly language and has direct access to the system’s
hardware for testing
1390) Check it pro deluxe gives detailed information about the system hardware
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1391) The last 128k of reserved memory is used by mother board
1392) There are 80 cylinders are there for an 1.44 m floppy
1393) IBM changed ROM on the system to support key boards
1394) +12 V signal for disk drive is used for power supply
1395) CD ROM’s are single sided
1396) The storage capacity of a CDROM is 650 MB
1397) XGB has 2048 K graphic memory
1398) Most sound boards generate sounds by using fm synthesis
1399) Microscope helps you trouble shoot PS/2 system
1400) General purpose of diagnostic program run in batch mode
1401) The routing of data elements are called bits
1402) Operating system often called as kernel
1403) IPC stands for inter process communication
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1404) Many programming errors are detected by the hardware
1405) When a process exists, he operating system must free the disk space used by its
memory image
1406) Buffering attempts to keep both CPU and I/O device busy all the time
1407) Software is not an example of file mapping
1408) The most important aspect of job scheduling is the ability to multiprogramming
1409) There are two types of floppy disks
1410) System calls can be grouped into three major categories
1411) “FIFO” stands for first in first out
1412) In the two-level directory structure, each user has its own user file directory
1413) The number of bytes in a page is always a power of 2
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1414) A process that does not determinate while the operating system is functionary is
called dynamic
1415) The three main types of computer programming languages are machine language,
assembly language, high level language
1416) There are 2 types of processor modes
1417) An input device is an electromechanical device that generates data for a computer to
read
1418) The first implementation of UNIX was developed at Bell Telephone Laboratories in
the early 1970
1419) A connection less protocol is more dynamic
1420) The throughput is a measure of work for processor
1421) COBOL stands for common business oriented language
1422) Reset button is used to do cool booting
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1423) In MS-EXCEL the no of rows, no of columns are 16384,256
1424) FOXPRO is a package and programming language
1425) Mostly used date format in computer is MM-DD-YY
1426) Reservation of train ticket uses real time mode of processing
1427) A floppy disk is a thin plastic disc coated with magnetic oxide
1428) In binary addition 1+1 = 1
1429) Universal building blocks of a computer system are NAND & NOR
1430) In COBOL programming characters length per line is 64
1431) In FOXPRO, the maximum fields in a record are 128
1432) QUIT command is used to come out of FOXPRO
1433) Count command is used to count the specified records in a file with or without
condition
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1434) F1 key is pressed for help in FOXPRO
1435) One Giga byte = 1024 mega bytes
1436) Small scale integration chip contains less than 12 gates
1437) The most common monitor sizes are 14, 15, 17
1438) IBM PC and DOS has BIOS support for 3 LPT ports
1439) EDO stands for external data organizer
1440) The number of wires in IDE Hard Disk cable are 16
1441) If the data transfer rate is 150 k/sec then it is called single speed
1442) A typical buffer for a CD-ROM drives 156 K
1443) The 2.88 M floppy drives have 36 no of sectors
1444) 1 MB is equal to 2 (to the power of 10 KB)
1445) ROM is a primary storage device
1446) The process of loading and starting up DOS is called booting
1447) The Dos Prompt is mainly C:\>
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1448) C:\>ver is used for displaying current version name
1449) Intel 440x “Natoma” is an example for mother board chipset
1450) Direct memory access channels are used by medium speed communication devices
1451) The 486 Sx chip is twice as fast as a 386 Dx with same clock speed
1452) On a 286 or 386 sx system, the extended memory limits 16M
1453) The 385 Dx, 386 CPU have 32 address lines
1454) Shared memory does require 16 K of VMA space
1455) DIMM’s are 168 pin modules
1456) The function of +12V power supple is to run disk drive motors and also cooling fans
1457) SPS generally referred as rechargeable batteries
1458) Parallel interface is not the interfaces that can be used to connect the mouse to the
computer
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1459) The mouse interrupts usually occurs if the system uses a mouse port
1460) The video adapter BIOS handles communication between the Video Chipset & Video
Ram
1461) Pentium pro CPU’s have full of 323, they can track of 44 G of memory in address
lines
1462) The processor bus is the communications path way between CPU and immediate
support chip
1463) VL-bus can move data 32 bit at a time
1464) A modem attached to system on COM ports
1465) Horizontal scan refers to the speed at which the electron beam across the screen
1466) RGB monitor display 80 column text
1467) When transition changes from negative to positive the head would detect positive
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voltage spike
1468) Animation means to make still picture, move and talk like in cartoon pictures
1469) Analogues: The use of a system in which the data is of a continuously variable
physical quantity such as voltage or angular person
1470) Animation: A simulation of movement created by displaying a series of pictures or
frames
1471) Application means a piece of software designed to meet a specific purpose
1472) Active X is a model for writing programs. Active X technology is used to make
interactive Web pages that look and behave like computer programs, rather than static
pages. With Active X, users can ask or answer questions, use push buttons, and interact in
other ways with the web page
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1473) Batch processing is a technique in which a number of similar items or transactions
are processed in groups or batches during a machine run
1474) BIS: Bureau of Indian Standards. It is a national organization of India to define
standards
1475) Browser is a link between the computer and the internet. It’s actually a program that
provides a way to look in the hand interact with all information on the internet. A browser is
a client program that uses the Hypertext Transfer Protocol (http) to make requests of Web
servers throughout the Internet on behalf of the browser user.
1476) CIO (Chief information officer) : The senior executive in a company responsible for
information management and for delivering IT services
1477) Client/server architecture: A type of network in which computer processing is
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distributed among many individual PCs and a more powerful, central computer clients can
share files and retrieve data stored on the server
1478) Collaborative software: Groupware, such as Lotus Notes or Microsoft Exchange
1479) Computer-Aided design: Refers to any computerenabled method of design also
called computer-assisted design.
1480) Commuter: A group of electronic device used for performing multipurpose tasks
1481) Channel: It consists of controller card, interface cable and power supply
1482) CORBA: CORBA is the acronym for Common Object Request Broker Architecture
1483) CBT: Computer based training
1484) Certification: Skills and knowledge assessment process
1485) Computer Crime: The act of stealing, cheating or otherwise defrauding an
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organization with the use of a computer
1486) Cyber café: Café offering internet browsing facility
1487) Cryptography: Method used to protect privacy and security on the internet
1488) DBMS: An acronym for the database management system. A program that maintains
and controls the access to collection of related information in electronic files
1489) Data: Facts coded and structured for subsequent processing, generally using a
computer system
1490) Digital signature: Encrypted signature used for providing security for the
messages/data transferred through the internet
1491) Digital computer: A device that manipulates discrete data and performs arithmetic
and logic operations on these data
1492) Data transmission: The movement of data from one location of storage to another. If
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the locations are geographically far away, generally done via satellites.
1493) Disk Mirroring: The data is written on two or more hard disks simultaneously over the
same channel
1494) Disk Duple Xing: The data is written on two or more hard disks simultaneously over
the different channel
1495) Dumb Terminals: Hardware configuration consisting of a keyboard and monitor that is
capable of sending and receiving information but has no memory or processing capabilities.
1496) Download: Process of transferring a file system from one system to another
1497) E-commerce: Business transactions conducted over extranets or the internet
1498) Enterprise, resource planning: An integrated system of operation application
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combining logistics, production, contract and order management, sales forecasting and
financial and HR management
1499) Electronic data interchange (EDI) : Electronic transmission or documents through
point to point connections using a set of standard forms, message and data elements, this
can be via leased lines private networks or the internet
1500) Data processing: It is a method concerning with the systematic recording, arranging,
filing, processing and dissemination of facts of business