Piece of code that only one thread can execute at a time is called

Options: Mutual Exclusion B. Critical Section C. Synchronization D. All of them

Ans:– B ,

More Operating System Related questions:

Before a disk drive can access any sector record, a computer program has to provide the record's disk address. What information does this address specify?
Options: Track number,    Sector number,    Surface number,    All of the above

Ans:D ,D

513. bhaarat sarakaar ka sanvaidhaanik mukhiya kaun hota hai?
Options: NA

Ans: raashtrapati, raashtrapati

A compiler is a translating program which
Options: A) Translates instruction of a high level language into machine language B) Translates entire source program into machine language program C) It is not involved in program’s execution D) All of above


Glass is best described as a
Options: NA

Ans:Super cooled Liquid,Super cooled Liquid

. Mostly which of the following device is used to carry user files?
Options: A) Floppy Disk B) Hard Disk C) RAM D) CDROM


The nickname of Glenn McGrath is what?
Options: Ooh Ahh,    Penguin,    Big Bird,    Pigeon


User views are included as part of which schema?
Options: Internal,    Conceptual,    External,    None of the above.

Ans:C ,C

9.Sub system is
Options: (A)Dependent system (B) Independent system (C) Component (D) None of these 1

Ans:9. (B),9. (B)

Gandhi Peace Prize for the year 2000 was awarded to the former President of South Africa along with
Options: Sathish Dawan,    C. Subramanian,    Grameen Bank of Bangladesh,    World Healt Organisation


What will be the output of the program ? #include<stdio.h> int main() { void fun(int, int[]); int arr[] = {1, 2, 3, 4}; int i; fun(4, arr); for(i=0; i<4; i++) printf("%d,", arr[i]); return 0; } void fun(int n, int arr[]) { int *p=0; int i=0; while(i++ < n) p = &arr[i]; *p=0; }
Options: 2, 3, 4, 5,    1, 2, 3, 4,    0, 1, 2, 3,    3, 2, 1 0

Ans:B ,B

What is a brand?
Options: A) The name of companies that made computers B) The name of product a company gives to identify its product in market C) A name of class to indicate all similar products from different companies D) All of above


writer of kullu lok sahitya
Options: shri paramchand, narayan chand , vinod bhambli, dr, bansi lal

Ans:shri paramchand,shri paramchand

8.Subject to probability of hazard, arising will not raise cost factors is referred as
Options: (A)Abstractness (B) Acceptable risk (C) Acceptance testing (D) None of these 10

Ans:108. (B),108. (B)

The ARDC is now a branch of the
Options: RBI,    NABARD,    IDBI,    SDBI


.   to save a presentation you
Options: a. click save on the windows start button b. press Ctrl + F5 c. select File, Save from the menu d. click the saver button on the formatting toolbar

Ans:2 – C ,2 – C

. What is the quickest way to select entire worksheet?
Options: Choose Edit -> Select all from the Menu B. Click on the first column, press Ctrl, and then click on the last column C. Click on the first column, press Shift, and then click on the last column D. Click on the rectangle box on the upper left corner where column headings and row headings meet

Ans:– D ,

In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...?
Options: 500 volts,    5 thousand volts,    25 thousand volts,    100 thousand volts


7.Producer consumer problem can be solved using
Options: (A)Semaphores (B) Event counters (C) Monitors (D) All of the above 21

Ans:217. (D),217. (D)

Claude Shannon described the operation of electronic switching circuits with a system of mathematical logic called:
Options: LISP,    XLISP,    Boolean algebra,    neural networking

Ans:C ,C

An entity name should be which of the following?
Options: A singular noun,    Specific to the organization,    Concise,    All of the above.

Ans:D ,D

It is more accurate to define a _____ as a variety of different record types that are treated as a single unit
Options: Database,    Table,    Record,    Flat File

Ans:A ,A

What will be the output of the program? #include<stdio.h> int main() { char huge *near *far *ptr1; char near *far *huge *ptr2; char far *huge *near *ptr3; printf("%d, %d, %d\n", sizeof(**ptr1), sizeof(ptr2), sizeof(*ptr3)); return 0; }
Options: 4, 4, 4,    2, 2, 2,    2, 8, 4,    2, 4, 8

Ans:A ,A

Which of the following are true regarding OSPF areas? You must have separate loopback interfaces configured in each area. The numbers you can assign an area go up to 65,535. The backbone area is also called area 0. If your design is hierarchical, then you don't need multiple areas. All areas must connect to area 0.
Options: 1 only,    1 and 2 only,    3 and 4 only,    3, 4 and 5

Ans:D ,D

battle of buxar was fought in
Options: 1764AD,1761AD,1526AD,1556AD


4.In Excel you can copy cell formats from one cell to another by using the
Options: (A)Backspace key (B) Default font (C) Format painter (D) Formatting toolbar

Ans:4. (C),4. (C)

Which of the following statements are true regarding the command ip route The command is used to establish a static route. The default administrative distance is used. The command is used to configure the default route. The subnet mask for the source address is
Options: 1 and 2,    2 and 4,    3 and 4,    All of the above

Ans:A ,A

. Computer system comprises of major units
Options: A) input unit, output unit, control unit B) input unit, output unit, control unit and storage C) input unit, output unit, central processing unit and storage unit D) input, output and storage units


The engineering change control system makes changes in the
Options: operations file,    production schedule,    work force data,    All of the above

Ans:A ,A

In which phase of the laser printing process is a positive charge placed on the paper to pull the toner from the print drum?
Options: Writing,    Transferring,    Conditioning,    All of the above

Ans:B ,B

'.JPG' extension refers usually to what kind of file?
Options: System file,    Animation/movie file,    MS Encarta document,    Image file


The gas usually filled in the electric bulb is
Options: nitrogen,    hydrogen,    carbon dioxide,    oxygen


A processing unit that coordinates networks and data communication is known as
Options: Control unit,    Communications processor,    Register unit,    CPU

Ans:B ,B

The complete picture of data stored in database is known as
Options: Record,    Schema,    System flowchart,    DBMS

Ans:B ,B

. The column command is located on the _____ tab.
Options: a. Insert b. Home c. View d. Page Layout

Ans: – D , – D

The software used to convert source program instructions to object instruction is known as
Options: Compiler,    Assembler,    Interpreter,    Language processor


3.In shared Memory
Options: (A)Multiple processors can operate independently but share the same memory resources (B) Multiple processors can operate independently but do not share the same memory resources (C) Multiple processors can operate independently but some do not share the same memory resources (D) None of these 1

Ans:13. (A),13. (A)

Addition of 11012 and 10102 is
Options: 101012,    110002,    110112,    101112

Ans:D ,D

who was founder of darkoti riyasat
Options: ram singh, durga singh, prithvi singh, umed singh

Ans:durga singh,durga singh

. Ctrl + H
Options: a. Open Find and Replace Dialog box with activating Replace Tab b. Open Format Dialog box activating Insert Hyper Link tab c. Open Insert Dialog box activating Insert Hyper Link Tab d. Open Insert Hyper Link Dialog box

Ans:–  A,–  A

The UNSECO's 'Prix Jules Verne' prize has been given to which of the following serials of Doordarshan?
Options: The World This Week,    Surabhi,    Eye Witness,    Turning Point


. Which is an example of a function?
Options: a. =add(A1:A2) b. =A1+A2 c. =SUM(A1:A2) d. A1+A2

Ans:– c,– c

A circuit which can store information is known as
Options: Integrated circuit,    Chip,    Memory cell,    Gate

Ans:C ,C

8.A field that uniquely identifies a record is called a
Options: (A)Main field (B) Header (C) Key field (D) None of above 3

Ans:38. (C),38. (C)

Plotter accuracy is measured in terms of repeatability and:
Options: intelligence,    vertical dimension,    resolution,    buffer size

Ans:C ,C

The gases used in different types of welding would include
Options: oxygen and hydrogen,    oxygen, hydrogen, acetylene and nitrogen,    oxygen, acetylene and argon,    oxygen and acetylene


6.A collection of complete programs, subroutines, and program modules that have already been developed, tested and documented to be used by programming projects.
Options: (A)Program counter (B) Program library (C) Programmer (D) None of these 11

Ans:116. (B),116. (B)

Where is the headquarters of Intel located?
Options: Redmond, Washington,    Tucson, Arizona,    Santa Clara, California,    Richmond, Virginia


Which device can understand difference between data & programs?
Options: Input device B. Output device C. Memory D. Microprocessor

Ans:– D ,

419. vishv kee pahalee mahila antariksh yaatree ka naam kya hai? velentaina tereshkova
Options: NA

Ans: 420. orijan oph speeshij baee nechural salekshan pustak ke lekhak kaun the? chaarls daarvin, 420. orijan oph speeshij baee nechural salekshan pustak ke lekhak kaun the? chaarls daarvin

The most malleable metal is
Options: platinum,    silver,    iron,    gold