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PPSC Sample / Model Paper of Lecturer & Subject Specialist Computer Science

  • PPSC Sample / Model Paper Of Lecturer & Subject Specialist Computer Science

  • 1 .
    A unit test ________
    A. verifies that each individule program works by itself
  • B. verifies that all programs in an application work togather properly
    C. verifies that an application works with other applications
  • D. is performed by end-users and verifies that the new system works with actual data
    _________ is a working modle of propesed system .
    A. 0 Adoption B. feasibilty Scheme
    C. Mockup D. Prototype
    For each input and output, a systems analyst tipicaly develops _______ which is a sample of the input or output and contains actual data.
    A. adoption B. prototype
    C. Mockup D. feasibility Scheme
  • Although used in all types of bussiness modeling the _____ has been adopted as a standard notation for object modeling.
    A. UML B. CASE Tool
    C. USE CASE Diagram D. EMR (not sure)
  • .
    In a diagram ( a DFD diagram was given ) _________ shows the input and output of information into or out from a prosses .
    A. Use Case B. Data Flow
    C. entity relationship D. Class Diagram
    the term cmputer _______ discribes potentially damging computer program that affects or infects a computer by altering the way the compter works without the users knowledge or permission .
    A. Hot spot B. File compression Utillty
    C. Virus D. File conversion Utillity
  • ________ a disk or reorgnizing it so the files are stored in contiguous sectors, speeds up disk access and thus performance of entire computer .
    A. Formating B. Defregmenting
    C. Spooling D. compressing
  • A ________ is an icon on the desktop that provides a user with immediate access to a program or file.
    A. kernel B. spooler
    C. buffer D. Shortcut
    If a new a device such as printer or scanner is attached to a computer, its _________ must be installed before the divice can be used
    A. Driver B. platform
    C. manager D. kernel
  • 10 .
    with _______ memory , the operating system allocates a portion of storage medium, usually the hard disk , to function as additional RAM
    A. Virtual B. performance
    C. device D. Manged
    A_____ is a network that connects compter and divices in a limited geographical area, such as home, school computer laboratory , or office building
    A. LAN B. MAN
    C. WAN D. VAN
  • 12 .
    fiber optic cables have all of the following advantages over cables that used wire except _______
    A. lower costs & easier installation and modification B. Faster data transmission & smaller size
    C. Less susceptible to noise from other divices D. Better security for signals during transmission
  • 13 .
    The amount of data, instructions and information that can travel over a communication channel somtimes is called _______
    A. broadband B. baseband
    C. latency D. bandwidth
  • 14 .
    When a computer sends data over the internet, the data is divided into small pieces , or _______
    A. Bundles B. packets
    C. slices D. baskets
  • 15 .
    _______ is a network technology that defines how messages are routed from one end of a network to other, ensuring the datat arrives correctly by dividing it into packets.
    A. HTML B. XML
    C. HTTP D. TCP/IP
  • 16 .
    A DBMS uses the _____ to perform validation checks.
    A. Data Server B. data smart
    C. data wherehouse D. data dictionary
  • 17 .
    If a lowest annual fee at a discount wherehouse is Rs.2025 and the highest is Rs.5550, a(n)______ on annual fee field ensure it is a value between Rs.2025 and Rs.5550.
    A. Range Check B. compelteness check
    C. consistency Check D. alphabetic/numeric check
  • 18 .
    In a database, a(n) ____ field is a field that uniquely identifies each record in a file.
    A. Main B. Identifying
    C. Master D. Key
  • 19 .
    in database, a(n) ____ field is a group of related fields.
    A. Table B. Key
    C. Record D. Primery field
  • 20 .
    object (also called_____) is a common data type that includes photograph, audio, vedio, or a document in other applications.
    A. Number B. BLOB
    C. Integer D. binary
  • 21 .
    the term computer _______ describes potentially damaging computer program that affects or infects a computer by altering the way the computer works without the users knowledge or permission .
    A. Hot spot B. File compression Utillty
    C. Virus D. File conversion Utillity
  • 22 .
    A_____ is a network that connects computer and devices in a limited geographical area, such as home, school computer laboratory , or office building
    A. LAN B. MAN
    C. WAN D. None of these
  • 23 .
    with _______ memory , the operating system allocates a portion of storage medium, usually the hard disk , to function as additional RAM
    A. Virtual B. performance
    C. device D. None of these
  • 24 .
    A ________ is an icon on the desktop that provides a user with immediate access to a program or file.
    A. kernel B. Shortcut
    C. buffer D. spooler
  • 25 .
    If a new a device such as printer or scanner is attached to a computer, its _________ must be installed before the divice can be used
    A. platform B. manager
    C. Driver D. kernel
  • 26 .
    ________ a disk or reorganizing it so the files are stored in contiguous sectors, speeds up disk access and thus performance of entire computer .
    A. Formatting B. Defregmenting
    C. Spooling D. compressing
  • 27 .
    _______ is a network technology that defines how messages are routed from one end of a network to other, ensuring the datat arrives correctly by dividing it into packets.
    A. HTML B. XML
    C. HTTP D. TCP/IP
  • 28 .
    When a computer sends data over the internet, the data is divided into small pieces , or _______
    A. Bundles B. packets
    C. slices D. baskets
  • 29 .
    _______ is a network technology that defines how messages are routed from one end of a network to other, ensuring the datat arrives correctly by dividing it into packets.
    A. HTML B. XML
    C. HTTP D. TCP/IP
  • 30 .
    The amount of data, instructions and information that can travel over a communication channel somtimes is called _______
    A. bandwidth B. baseband
    C. broadband D. latency
  • 31 .
    fiber optic cables have all of the following advantages over cables that used wire except _______
    A. Faster data transmission & smaller size B. lower costs & easier installation and modification
    C. Less susceptible to noise from other divices D. none of these
  • 32 .
    If a lowest annual fee at a discount wherehouse is Rs.2025 and the highest is Rs.5550, a(n)______ on annual fee field ensure it is a value between Rs.2025 and Rs.5550.
    A. Range Check B. compelteness check
    C. consistency Check D. alphabetic/numeric check
  • 33 .
    in database, a(n) ____ field is a group of related fields.
    A. Table B. Key
    C. Record D. Primery field
  • 34 .
    In a database, a(n) ____ field is a field that uniquely identifies each record in a file.
    A. Main B. Identifying
    C. Master D. Key
  • 35 .
    Which of the following is not an input device?
    A. OCR B. Optical scanners
    C. Voice recognition device D. COM (Computer Output to Microfilm)
  • 36 .
    The central processing unit (CPU) consists of
    A. Input, output and processing B. Control unit, primary storage, and secondary storage
    C. Control unit, arithmetic-logic unit and primary storage D. Control unit, processing, and primary storage
  • 37 .
    Which is used for manufacturing chips?
    A. Semiconductors B. Bus
    C. Control unit D. A and b only
  • 38 .
    Which is considered a direct entry input device?
    A. Optical scanner B. Mouse and digitizer
    C. Light pen D. All of the above
  • 39 .
    The computer code for the interchange of information between terminals is
    A. ASCII B. BCD
    C. EBCDIC D. All of above
  • 40 .
    A byte consists of
    A. One bit B. Four bits
    C. Eight bits D. Sixteen bits
  • 41 .
    A hybrid computer
    A. Resembles digital computer B. Resembles analog computer
    C. Resembles both a digital and analog computer D. None of the above
  • 42 .
    Which of the following processors use RISC technology?
    A. 486dx B. Power PC
    C. 486sx D. 6340
  • 43 .
    Current SIMMs have either … or … connectors (pins)
    A. 9 or 32 B. 30 or 70
    C. 28 or 72 D. 30 or 72
  • 44 .
    The term gigabyte refers to
    A. 1024 bytes B. 1024 kilobytes
    C. 1024 megabytes D. 1024 gigabyte
  • 45 .
    A/n …. Device is any device that provides information, which is sent to the CPU
    A. Input B. Output
    C. CPU D. Memory
  • 46 .
    The storage subsystem in a microcomputer consists mainly of … or … media with varying capacities
    A. Memory or video B. Magnetic or optical
    C. Optical or memory D. Video or magnetic
  • 47 .
    perforated paper used as input of output media is known as
    A. paper tapes B. magnetic tape
    C. punched papers tape D. card punch
  • 48 .
    An approach that permits the computer to work on several programs instead of one is
    A. On-line thesaurus B. Multiprogramming
    C. Over lapped processing D. Outline processor
  • 49 .
    A computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as
    A. Super computer B. Mini computer
    C. Micro computer D. Macro computer
  • 50 .
    Time during which a job is processed by the computer is
    A. Delay times B. Real time
    C. Execution time D. Down time
  •  
  • PPSC Sample / Model Paper Of Lecturer & Subject Specialist Computer Science

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