When there is enough memory to fit a process in memory, but the space is not contiguous we need


Options: Internal Fragmentation B. Virtual Fragmentation C. External Fragmentation D. None of them

Ans:– C ,






More Operating System Related questions:


. when working in the page break preview, you can
Options: a. view exactly where each page break occurs b. add or remove page breaks c. change the print area d. all of above

Ans:– d,– d


A data dictionary is a special file that contains
Options: the names of all fields in all files,    the data types of all fields in all files,    the widths of all fields in all files,    All of the above

Ans:D ,D


A database server is responsible for which of the following?
Options: Database storage,    Data processing logic,    Data presentation logic,    All of the above.

Ans:A ,A


. The computer code for the interchange of information between terminals is
Options: A) ASCII B) BCD C) EBCDIC D) All of above

Ans:A,A


Doubling the operating frequency of an inductive circuit:
Options: has no effect on the inductive reactance,    doubles the amount of inductive reactance,    multiplies the inductive reactance by 6.28,    cuts the inductive reactance in half

Ans:B ,B


. What is the use of bookmarks in Microsoft Word?
Options: To easily correct the spelling errors B. To quickly jump to a specific location in the document C. To quickly jump to the ending of the document D. To create a link within the document

Ans:– B ,


. Which command is used to delete all the files from root directory of drive A?
Options: a. Del a: b. Del *.* c. Del A d. Erase *

Ans:3 – a ,3 – a


A system design is said to be functionally modular if
Options: the system is able to handle all the function of the application,    each module performs a specific function and can be developed relatively independently by programmers,    the system makes extensive use of function. keys for maximum user assistance,    the system is developed using structured programming through COBOL or PASCAL

Ans:B ,B


.   Which view in PowerPoint can be used to enter speaker comments?
Options: a. Normal b. Slide show c. Slide sorter d. Notes page view

Ans:3 – D ,3 – D


Ambiguity may be caused by:
Options: syntactic ambiguity,    multiple word meanings,    unclear antecedents,    All of the above

Ans:D ,D


. Which one of the following key is used to refresh the active window?
Options: a. F7 b. F8 c. F9 d. F5

Ans:6 – d ,6 – d


An-owner-member set in the CODASYL specifications may have
Options: only one owner but many owner occurrences,    only one member but many member occurrence,    more than one member but only one occurrence per member,    All of the above

Ans:A ,A


What will be the output of the program? #include<stdio.h> #include<math.h> int main() { printf("%d, %d, %d\n", sizeof(3.14f), sizeof(3.14), sizeof(3.14l)); return 0; }
Options: 4, 4, 4,    4, 8, 8,    4, 8, 10,    4, 8, 12

Ans:C ,C


Which command is used to print a file?
Options: print,    prn,    pg,    lp

Ans:D ,D


How often are BPDUs sent from a layer 2 device?
Options: Never,    Every 2 seconds,    Every 10 minutes,    Every 30 seconds

Ans:B ,B


After coding a document into a digital signal, it can be sent by telephone, telex or satellite to the receiver where the signal is decoded and an exact copy of the original document is made. What is it called?
Options: Telex,    Word processor,    Facsimile,    Electronic mail

Ans:C ,C


Two main measures for the efficiency of an algorithm are
Options: a. Processor and memory b. Complexity and capacity c. Time and space d. Data and space  

Ans:c,c


. Booting means
Options: a. Restarting computer b. Installing program c. Removing errors d. Switch off

Ans:7 – a ,7 – a


What difference does the 5th generation computer have from other generation computers?
Options: Technological advancement,    Scientific code,    Object Oriented Programming,    All of the above

Ans:A ,A


Where does a computer add and compare data?
Options: Hard disk,    Floppy disk,    CPU chip,    Memory chip

Ans:C ,C


In top down analyis and design
Options: each succeeding phase is more detailed than the phase before it,    each succeeding phase is as detailed as the phase before it.,    each succeeding phase is less detailed than the phase before it,    aLL of the above

Ans:A ,A


. It is used to explorer the contents of computer, drives as well as manage files
Options: a. b. My Document c. My Computer d. My Network Place

Ans:9 – b ,9 – b


Which of the following performs modulation and demodulation?
Options: fiber optic,    satellite,    coaxial cable,    modem

Ans:D ,D


The greatest change as a result of CAD/CAM is taking place in which industry?
Options: Medical,    Aerospace,    Electronics,    Cartography

Ans:C ,C


A medium for transferring data between two locations is called
Options: Network,    Communication channel,    Modem,    Bus

Ans:B ,B


Which of the following products was the first to implement true relational algebra in a PC DBMS?
Options: IDMS,    Oracle,    dBase-II,    R:base

Ans:D ,D


. Which of the following is a disk compression tool?
Options: a. Drive space b. Scandisk c. Defragmenter d. None of the above

Ans:5 – a ,5 – a


The activity of a file
Options: is a low percentages of number of records added or deleted from a file,    if high, reduces processing efficiency for sequential and nonsequential files,    is a measure of the percentage of existing records updated during a run,    refers to how closely the files fits into the allocated

Ans:A ,A


Which is NOT typically a Field Replaceable Unit?
Options: System ROM,    Power supply,    System chasis,    Video controller

Ans:C ,C


The minimum number of MOS transistors required to make a dynamic RAM cell is
Options: 1,    2,    3,    4

Ans:A ,A


. Who invented Mark I?
Options: A) Howard Aikin B) J. P. Eckert C) John Mauchley D) John v. Atanasoff

Ans:9-A,9-A


In SQL, which command(s) is(are) used to recompile a stored function?
Options: SET FUNCTION,    SET STORED FUNCTION,    ALTER FUNCTION,    All of the above

Ans:C ,C


. Which of the following statement is false?
Options: A) Mechanical analog computers have existed for thousands of years B) There are mechanical analog computers and electronic analog computers. C) All electronic computers are digital computers D) All of above are false

Ans:C,C


In an Entity-Relationship Diagram “Ellipses” represents
Options: Attributes B. Weak entity set C. Relationship sets D. Multi-valued attributes

Ans:– A ,


.   Right clicking something in PowerPoint
Options: a. Deletes the object b. Selects the object c. Opens a shortcut menu listing for the object d. Nothing he right mouse button for operation

Ans:9 – C ,9 – C


. Which of the following is not a class based on size?
Options: A) Mainframe Computer B) Micro Computer C) Mini Computer D) Digital Computer

Ans:D,D


Which one of the following properties of a magnetic circuit can be directly compared to voltage in an electrical circuit?
Options: Flux density,    Number of lines of force,    Magnetomotive force,    Reluctance

Ans:C ,C


Transistorized computer circuits were introduced in the
Options: first generation,    second generation,    thir4 generation,    fourth generation

Ans:B,B


.   Which of the following is not a transition effect?
Options: a. Blinks diagonal b. Dissolve c. Fade through black d. Blinds vertical

Ans:0 – A ,0 – A


How can you break the current column and start a new column immediately?
Options: a. Press Ctrl + Shift + Enter b. Press Alt + Enter c. Press Ctrl + Enter d. Press Alt + Shift + Enter

Ans:– A,– A


Microsoft Access is a
Options: a. RDBMS b. OODBMS c. ORDBMS d. Network database model

Ans:ndash; a,ndash; a


To organize files on a disk, MS-DOS separates them into areas called _____
Options: directories,    buckets,    areas,    area directories

Ans:A ,A


.  By default, what is the name of a new module in the Modules folder of the Project pane called?
Options: a.            Bas1 b.           Module c.           New Module d.            Module1

Ans:– d,– d


How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks?
Options: DOS=High,    Devicehigh=,    Loadhigh=,    DOS=UMB

Ans:D ,D


Which command will prevent subsequent changes to the file CBT.EXE?
Options: RENAME + r CBT.EXE,    ATTRIB + r CBT.EXE,    COPY + r CBT.EXE,    MODE + r CBT.EXE

Ans:B ,B


Which of the following describes the operation of a positive edge-triggered D-type flip-flop?
Options: If both inputs are HIGH, the output will toggle.,    The output will follow the input on the leading edge of the clock.,    When both inputs are LOW, an invalid state exists.,    The input is toggled into the flip-flop on the leading edge of the clock and is passed to the output on the trailing edge of the clock.

Ans:B ,B


Which of the following indicates the minimum number of entities that must be involved in a relationship?
Options: Minimum cardinality,    Maximum cardinality,    ERD,    Greater Entity Count (GEC)

Ans:A ,A


What command is used with vi editor to move back to the beginning of a word?
Options: w,    e,    a,    b

Ans:D ,D


Which of the following is the largest manufacturer of Hard Disk Drives?
Options:  IBM B.  Seagate C.  Microsoft D.  3M

Ans:– B ,


Which of the following chips can be reprogrammed with special electric pulses?
Options: EPROM,    PROM,    ROM,    EEPROM

Ans:D ,D

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