Which scheduler selects which processes should be brought into the ready queue?


Options: Real-term B. Long-term C. Mid-term D. Short-term

Ans:– B ,






More Operating System Related questions:


To make possible the efficient on-line servicing of many teleprocessing system users on large computer systems, designers are developing
Options: communication systems,    multiprogramming systems,    virtual storage systems,    All of the above

Ans:D ,D


In which mode, each user has a local input/output device.
Options: Interactive,    Time sharing mode,    Batch processing mode,    All of the above

Ans:B ,B


What will be the output of the program? #include<stdio.h> #include<stdlib.h> int main() { int *p; p = (int *)malloc(20); /* Assume p has address of 1314 */ free(p); printf("%u", p); return 0; }
Options: 1314,    Garbage value,    1316,    Random address

Ans:A ,A


Which is built directly on the hardware?
Options: Computer Environment B. Application Software C. Operating System D. Database System

Ans:– C ,


What frequency range is used for FM radio transmission?
Options: Very Low Frequency : 3 kHz to 30. kHz,    Low Frequency : 30 kHz to 300 kHz,    High Frequency : 3 MHz to 30 MHz,    Very High Frequency : 30 MHz to 300 MHz

Ans:D ,D


Database Management Systems are featured with:
Options: a. The facility to easy editing, spelling check, auto pagination, lay out and printing reports b. The ability to store large amount of data to facilitate easy update, sort and retrieval c. The ability to calculate efficiently with the help of built-in functions and analyze d. All of above

Ans:ndash; b,ndash; b


. Font folder is located on
Options: a. Program folder b. Ms Word file c. Control Panel folder d. Desktop folder

Ans:0 – c ,0 – c


. Clear the contents by pressing “DELETE” key from a keyboard will clear 
Options: a. Text Only b. Format Only c. Contents Only d. Both Contents and Format

Ans:– c,– c


What will be the output of the program if it is executed like below? cmd> sample /* sample.c */ #include<stdio.h> int main(int argc, char **argv) { printf("%s\n", argv[argc-1]); return 0; }
Options: 0,    sample,    samp,    No output

Ans:B ,B


What happens when you release mouse pointer after you drop the primary key of a table into foreign key of another table?
Options: a. A relationship is created b. Edit relationship dialog box appears c. Error occurs d. Nothing happens

Ans:ndash; b,ndash; b


. 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


The use of computers in data processing has had several impacts on business. Which of the following is not one of them?
Options: easier business growth,    fewer clerical workers,    increased data-processing costs,    more and better information

Ans:C ,C


A _____ boot is when DOS is restarted without turning off the computer.
Options: warm,    reboot,    shutdown,    system up

Ans:A ,A


If you want to execute more than one program at a time, the systems software you are using must be capable of:
Options: word processing,    virtual memory,    compiling,    multitasking

Ans:D ,D


. In the Relationship window, related fields from each table are connected by a(n) _______________.
Options: a. default field b. linking tables c. index d. join line

Ans:3 – d ,3 – d


7. Which command is used to see the disk volume label?
Options: a. Ver b. Vol c. Version d. Volume

Ans:Correct Answer: b ,Correct Answer: b


. Which of the following is an example of fifth generation computer?
Options: A) PIM/m B) ICL 2950 C) IBM 1401 D) None of above

Ans:A,A


Which computer has been designed to be as compact as possible?
Options: Mini,    Super computer,    Micro computer,    Mainframe

Ans:C,(Canswer


If the transient response of a system is overdamped:
Options: the value of the output exceeds the value of the input at times during the transient period.,    the value of the output never exceeds the value of the input during the transient period.,    the value of the output never stabilizes.,    All of the above

Ans:B ,B


Which of the following is not essential component to perform a mail merge operation?
Options: a. Main document b. Data source c. Merge fields d. Word fields

Ans:– D,– D


. To center worksheet titles across a range of cell, you must
Options: a. Select the cells containing the title text and use the fill handle to center the text across a range of cells b. Select the cells containing the title text and click on Center button c. Select the cells in range containing the title text and use the Merge and Center tool d. Widen the column

Ans:– c,– c


System programs such as Compilers are designed so that they are
Options: reenterable,    non reusable,    serially usable,    recursive

Ans:A ,A


. Which is the shortcut key to jump to the first slide of the presentation?
Options: a. Home b. Alt + Home c. Ctrl + Home d. Shift + Home

Ans:1 – C ,1 – C


If you want to disable STP on a port connected to a server, which command would you use?
Options: disable spanning-tree,    spanning-tree off,    spanning-tree security,    spanning-tree portfast

Ans:D ,D


As compared to diskettes, the hard disks are
Options: more expensive,    more portable,    less rigid,    slowly accessed

Ans:A ,A


. What you type at the DOS command prompt to return back to windows?
Options: a. Command b. Exit c. Quit d. Return

Ans:6 – b ,6 – b


Which IP address class has few hosts per network?
Options: D,    C,    B,    A

Ans:B ,B


CBCT stands for
Options: Customer Bank Credit Terminal,    Commercial Banking Credit Terminal,    Customer-Bank Communication Terminal,    Commercial Bank Communication Terminal

Ans:C ,C


A communications medium that uses pulses of laser light in glass fibers. Select the best fit for answer:
Options: Fiber optic cables,    Cellular phone systems,    Telecommunications processors,    Telecommunications software

Ans:A ,A


. What is an index?
Options: a. A wizard that creates a functional database structure based on the user’s selections b. A widely recognized naming convention for database objects c. A sort order for records, which is identified in the table design d. A set of relationship rules that enforce defined database relationships

Ans:4 – c ,4 – c


A monitor looks like a TV set but it does not
Options: Receive TV signals,    Give a clear picture,    Give a steady picture,    Display graphics

Ans:A ,A


What will be the output of the program (myprog.c) given below if it is executed from the command line? cmd> myprog one two three /* myprog.c */ #include<stdio.h> int main(int argc, char *argv[]) { int i; for(i=1; i<argc; i++) printf("%c", argv[i][0]); return 0; }
Options: oot,    ott,    nwh,    eoe

Ans:B ,B


Which of the following is not one of the qualitative characteristics that information must have?
Options: relevance,    retrievability,    timeliness,    accuracy

Ans:E ,E


Which key do you press to check spelling?
Options: F3 B. F5 C. F7 D. F9

Ans:– C ,


For you to create a swap partition by using fdisk, what must the partition's system ID type be?
Options: 83,    82,    5,    4

Ans:B ,B


8. In a document what is the maximum number of columns that can be inserted in MS Word Table?
Options: a. 35 b. 15 c. 63 d. 65

Ans:#8211; C ,#8211; C


Personal computers use a number of chips mounted on a main circuit board. What is the common name for such boards?
Options: Daughterboard,    Motherboard,    Fatherboard,    Breadboard

Ans:B,B


Which of the following pane is not available in Task Pane?
Options: a. Getting Started b. Clip Art c. Word Art d. Search Results

Ans:– C ,– C


Which of the following isn't used in the storage phase of a computer-based information system?
Options: Magnetic,    Keyboard,    Diskette,    Hard disk

Ans:B ,B


Round-robin scheduling
Options: allows interactive tasks quicker access to the processor,    is quite complex to implement,    gives each task the same chance at the processor,    allows processor-bound tasks more time in the processor

Ans:C ,C


What will be the output of the program? #include<stdio.h> int main() { int X=40; { int X=20; printf("%d ", X); } printf("%d\n", X); return 0; }
Options: 40 40,    20 40,    20,    Error

Ans:B ,B


Cisco's Unified Wireless Solution provides a mesh solution. What devices do you absolutely need to purchase to run a Cisco solution? WCS Controller Access point Bridge
Options: 1 and 2,    2 and 3,    1 and 4 only,    4 only

Ans:B ,B


If a sine wave has a frequency of 500 Hz, the period in seconds of the sine wave is:
Options: 5000,    0.003,    0.02,    0.002.

Ans:D ,D


What does RIPv2 use to prevent routing loops? CIDR Split horizon Authentication Classless masking Holddown timers
Options: 1 and 3,    2, 3 and 5,    2 and 5,    3 and 4

Ans:C ,C


In which mode can two or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D


The Primary job of the operating system is A)  Manage Commands B)  Manage Users         C)  Manage Programs D)  Manage Resources
Options:

Ans:– D ,


Data items in the fixed asset record of a newly purchased asset that a well-designed application program could obtain automatically include
Options: estimated disposal data,    source,    first cost,    All of the above

Ans:D ,D


Which one of the following statements is true for current flowing in a series circuit?
Options: The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it,    The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit,    The same current flows through every part of a series circuit,    The total current in a series circuit is equal to the total voltage multiplied by the total resistance

Ans:C ,C


Control of computer system or subsystem operation by an operator who may intervene at arbitrary times is
Options: Manual control,    Mapping,    Shift register,    ALU

Ans:A ,A


. Which command allows you to show the contents of disk widely in screen?
Options: a. Dir/p b. Dir/b c. Dir/w d. Dir/o:w

Ans:7 – c ,7 – c

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