The operating system creates _____ from the physical computer


Options: Virtual space B. Virtual computers      C. Virtual device D. None

Ans:– B ,


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More Operating System Related questions:


What does Belady’s Anomaly related to?
Options: Page Replacement Algorithm B. Memory Management Algorithm C. Deadlock Prevention Algorithm D. Disk Scheduling Algorithm

Ans:– A ,


. In order to arrange the countries from those with the highest population to those with the lowest, you need to sort on the population field in ……………
Options: a. ascending order b. descending order c. alphabetical order d. random order

Ans:– b,– b


A lock that allows concurrent transactions to access different rows of the same table is known as a
Options: Field-level lock B. Row-level lock C. Table-level lock D. Database-level lock

Ans:– A ,


. Columns dialog box can be opened from
Options: a. Format menu Columns submenu b. Double click on column space in ruler c. Press Alt + O + C d. All of above

Ans:– D,– D


In SQL, the CREATE VIEW command is used
Options: to recompile view,    to define a view of one or more tables or views,    to recompile a table,    to create a trigger

Ans:B ,B


. The first general purpose electronic computer in the world was
Options: A) UNIVAC B) EDVAC C) ENIAC D) All of above

Ans:2-C,2-C


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Options: A) Mainframe Computer B) Mini Computers C) Micro Computers D) None of above

Ans:A,A


. The _____ is a short horizontal line indicating the conclusion of a document.
Options: a. insertion point b. end mark c. status indicator d. scroll box

Ans:– B,– B


Lower-level managers make day-to¬day ______ decisions to schedule and control specific tasks.
Options: operational,    decision,    success,    simulation

Ans:A ,A


. When you open my computer on desktop you see the information of
Options: a. Hard disk b. CD c. Removable disk d. All of the above

Ans:0 – d ,0 – d


What symbol is used before a number to make it a label?
Options: a. ” (quote) b. = (equal) c. _ (underscore) d. ‘ (apostrophe)

Ans:#8211; d,#8211; d


An indexed file offers the facility of a Random file and the access method of a
Options: Sequential file,    indexed file,    direct access file,    random access file

Ans:A ,A


What is the file extension used by WIN95 to back up registry file when windows starts?
Options: .dat,    .dao,    .bak,    .tmp

Ans:B ,B


As opposed to detailed transaction information, the management information system (MIS) responds to the need for
Options: electronic data processing,    managerial information,    accounting application,    utility billing information

Ans:B ,B


A supertype/subtype hierarchy is which of the following?
Options: Each subtype has only one attribute.,    Each supertype has only one attribute.,    Each subtype has only one supertype.,    Each supertype has only one subtype.

Ans:C ,C


Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL?
Options: DEFINE TABLE,    MODIFY TABLE,    ALTER TABLE,    All of the above

Ans:C ,C


Which of the following is not a characteristic of a system
Options: operates for some purpose,    has homogeneous components,    has interacting components,    operates within a boundary

Ans:B ,B


A switch has been configured for three different VLANs: VLAN2, VLAN3, and VLAN4. A router has been added to provide communication between the VLANs. What type of interface is necessary on the router if only one connection is to be made between the router and the switch?
Options: 10Mbps Ethernet,    56Kbps Serial,    100Mbps Ethernet,    1Gbps Ethernet

Ans:C ,C


Administrative supervision of the activities relating to a database is the responsibility of the:
Options: DP manager,    Database administrator,    VP-DP Administration,    DB manager

Ans:B ,B


. Which one of the following is not a layer of operating system?
Options: a. Kernel b. Shell c. Application program d. Critical selection

Ans:2 – d ,2 – d


The least expensive OCR units can read
Options: hand printed numbers,    machine printed numbers,    marks,    handwriting

Ans:C ,C


In LISP, the function assigns . the value of a to b is
Options: (setq a b),    (setq b a ),    (b = a),    (set b = a)

Ans:B ,B


. “Ctrl + Left Arrow” is used to
Options: Moves the cursor beginning of the Line B. Moves the cursor one word left C. Moves the cursor one paragraph up D. Moves the cursor one paragraph down

Ans:– B ,


A system design aid should primarily
Options: help analyse both data and activities,    help in documentation,    generate code,    using a graphical user interface

Ans:A ,A


. The OS used to operate the mobile phone is a
Options: a. Smart card OS b. Embedded OS c. Multiuser OS d. None of above

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Which of the following statements is not true
Options: A structured chart is a sequential representation of program design,    the Real-Time system is a particular case of a on-line-system,    Batch totals are not incorporated while designing real-time applications,    4GLs are used for application proto typing

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A server-side extension is needed to do what?
Options: Allow a request from a client to access the database.,    Allow a request from a client to access a HTML-formatted page.,    Allow a request from a client to access Web pages.,    All of the above.

Ans:A ,A


A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?
Options: l0Mhz,    25Mhz,    50Mhz,    100 Mhz

Ans:B ,B


A circular reference is
Options: a. Geometric modeling tool b. A cell that points to a drawing object c. A formula that either directly or indirectly depends on itself d. Always erroneous

Ans:#8211; c,#8211; c


Which of the following is true concerning Web services standards?
Options: Led by only one group.,    Helped by cooperation between companies.,    Not necessary at this time.,    Important so that the web can flourish.

Ans:D ,D


Which of the following is not true about modifying table columns?
Options: You can drop a column at any time.,    You can add a column at any time as long as it is a NULL column.,    You can increase the number of characters in character columns or the number of digits in numeric columns,    You cannot increase or decrease the number of decimal places.

Ans:D ,D


Serial access memories are useful in applications where
Options: data consists of numbers,    short access time is required,    each stored word is processed differently,    data naturally needs to flow in and out in serial form

Ans:D ,D


The systems conversion technique of totally removing the existing system and immediately implementing the new system is called a
Options: pilot conversion,    crash conversion,    phased conversion,    parallel run

Ans:B ,B


By default a real number is treated as a
Options: float,    double,    long double,    far double

Ans:B ,B


Norton's theorem replaces a complicated circuit facing a load by an
Options: Ideal voltage source and parallel resistor,    Ideal current source and parallel resistor,    Ideal voltage source and series resistor,    Ideal current source and series resistor

Ans:B ,B


to view headers and footers, you must switch to
Options: normal view B. print layout view C. print preview mode D. both B and C

Ans:– D ,


The Primary key must be
Options: Non Null B. Unique C. Option A or B D. Option A and B

Ans:– D ,


The general systems model of the firm can be used
Options: to solve problems in college classes,    to ease the transition into a new company, upon graduation,    to solve problems as a manager,    All of the above

Ans:D ,D


Error detection at a data link level is achieved by
Options: bit stuffing,    cyclic redundancy codes,    Hamming codes,    equalization

Ans:B ,B


Information can be transferred between the DBMS and a
Options: a. spreadsheet program b. word processor program c. graphics program d. all of the above

Ans:D,All of the above


. If you want to insert some slides from other presentation into current one choose
Options: a.  From Insert menu choose Slides from Files b.  From Insert menu choose Slides from Presentation c.  From Insert menu choose Slides d.  None of above

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Which of the following is true when describing a unicast address?
Options: Packets addressed to a unicast address are delivered to a single interface.,    These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.,    These are like private addresses in IPv4 in that they are not meant to be routed.,    These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

Ans:A ,A


What will be the output of the program? #include<stdio.h> typedef struct error {int warning, err, exception;} ERROR; int main() { ERROR e; e.err=1; printf("%d\n", e.err); return 0; }
Options: 0,    1,    2,    Error

Ans:B ,B


SQL query and modification commands make up a(n) ________ .
Options: DDL,    DML,    HTML,    XML

Ans:B ,B


Which of the following is tactical decision?
Options: capital-source decision,    product decision,    plant-location decision,    budget allocation

Ans:D ,D


Ctrl + V
Options: a. Paste Texts in the beginning of Document b. Paste Images in the beginning of Document c. Paste Tables at the middle of Document d. None of the above

Ans:–  D,–  D


. Part of the POST process is to ensure that the test of essential peripheral device coincides with the hardware configuration that stored in
Options: a. ROM b. The hard drive c. CMOS d. Cache Memory

Ans:2 – c ,2 – c


Who founded the Linux Kernel?
Options: Bill Gates,    Ben Thomas,    Richard Stallman,    Linus Torvalds

Ans:D ,D


An application where only one user accesses the database at a given time is an example of a(n) ________ .
Options: single-user database application,    multiuser database application,    e-commerce database application,    data mining database application

Ans:A ,A


The keyword "inverse" is used in which of the following?
Options: Class,    Attribute,    Relationship,    All of the above.

Ans:C ,C

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