Which of the following resources must be protected by the operating system?

Options: I/O B. Memory C. CPU D. All of the above

Ans:– D ,

More Operating System Related questions:

. The
Options: A) Analog Computers B) Digital Computers C) Hybrid Computers D) Mainframe Computers


What should be first considered in choosing a plotter?
Options: The hardware you currently own,    The application for which it will be used,    The type of data you will input,    The cost

Ans:B ,B

The LRU algorithm
Options: pages out pages that have been used recently,    pages out pages that have not been used recently,    pages out pages that have been least used recently,    pages out the first page in a given area

Ans:C ,C

602. bhaarat ka kshetraphal kitana hai?
Options: NA

Ans: 32,87,263 varg ki.mee., 32,87,263 varg ki.mee.

When was Shakespeare born?
Options: 1564 AD,    1618 AD,    1642 AD,    1776 AD


3.Boolean variable assumes
Options: (A)Values that are true only (B) Values that are false only (C) Values that are either true or false (D) None of these 14

Ans:143. (C),143. (C)

Betla National Park
Options: Karnataka,Kerala,Jharkhand,MadhyaPradesh


Which of the following best describes a computer-based information system?
Options: A system in which a computer is used to turn data into information,    Inputting data,    Processing data,    Performing complex mathematical calculations

Ans:A ,A

Who proposed the relational model?
Options: Bill Gates B. E.F. Codd C. Herman Hollerith D. Charles Babbage

Ans:– B ,

. When you delete file, where it resides?
Options: a. Briefcase b. Recycle bin c. CD d. Desktop

Ans:5 – b ,5 – b

What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample monday tuesday wednesday thursday /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { while(--argc>0) printf("%s", *++argv); return 0; }
Options: sample monday tuesday wednesday thursday,    monday tuesday wednesday thursday,    monday tuesday thursday,    tuesday

Ans:B ,B

The systematic access of small computers in a distributed data processing system is referred to as:
Options: dialed service,    multiplexing,    polling,    conversational mode

Ans:C ,C

8.In Excel to select an individual data marker or data label, you must
Options: (A)Double click the data series (B) Right click selected marker (C) Click once to select the series markers or labels and click the desired marker or label again (D) Double click the marker or label | 37 12

Ans:128. (D),128. (D)

Which among the following is a positively charged particle emitted by a radioactive element?
Options: Beta ray,    Alpha ray,    Cathode ray,    Gamma ray


A drum timer is a good example of:
Options: an output actuator,    an input sensor,    a position sensor,    a sequence controller

Ans:D ,D

7.Which of the following columns can not be found in the macro design window?
Options: (A)Arguments column (B) Comment column (C) Conditions column (D) Actions column 6

Ans:67. (B),67. (B)

Water is a good solvent of ionic salts because
Options: it has a high boiling point,    it has a high dipole moment,    it has a high specific heat,    it has no colour


A transistor has how many doped regions?
Options: 1,    2,    3,    4

Ans:C ,C

Entomology is the science that studies
Options: A. Behavior of human beings B. Insects C. The origin and history of technical and scientific terms D. The formation of rocks


. Where will store data first time when you copy
Options: a. Clipboard b. Clipbook c. Hard disk d. CD

Ans:1 – a ,1 – a

In boolean algebra, the times sign stands for the _____ operation
Options: AND,    OR,    NAND,    NOR

Ans:A ,A

How much power (roughly) a light-emitting diode can couple into an optical fiber?
Options: 100 microwatts,    440 microwatts,    100 picowatts,    10 milliwatts

Ans:A ,A

. Your German supplier still invoices for parts in Deutsche marks. How can you have Excel convert those sums to Euros?
Options: a. On the Insert menu, click Symbol and from the currency symbols subset, select the Euro sign. b. On the tools menu, click Add-Ins, and select the Euro Currency Tools check box c. Apply a selected background color d. All of above

Ans:– b,– b

What will be the output of the program? #include<stdio.h> #define str(x) #x #define Xstr(x) str(x) #define oper multiply int main() { char *opername = Xstr(oper); printf("%s\n", opername); return 0; }
Options: Error: in macro substitution,    Error: invalid reference 'x' in macro,    print 'multiply',    No output

Ans:C ,C

One henry of inductance is defined as:
Options: the amount of counter emf required to reduce a current to 1 A,    the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second,    the amount of inductance required to change the frequency of a current by 1 Hz,    the number of turns of wire in an inductor multiplied by the amount of current flowing through it

Ans:B ,B

'Vijay Stambha' is situated in
Options: Jaipur,    Agra,    Delhi,    Chittor


The computers that we use are digital whereas we live in an analog world which means that we have to translate analog data into digital data. What is the name of the circuit which helps us in this conversion?
Options: D/A converter,    A/D converter,    Voice recognition,    Adapter

Ans:B ,B

Which of the following is correct in VLSM?
Options: Can have subnets of different sizes B. Subnets must be in same size             C. No required of subnet D. All of above

Ans:– A ,

7.Physical address (absolute address) in memory partitioning is
Options: (A)Actual location in main memory (B) A reference to memory location independent of current assignment (C) A logical address (D) None of these. 6

Ans:67. (A),67. (A)

ISDN uses _____ technology.
Options: only digital,    digital and analog,    only analog,    neither digital nor analog

Ans:A ,A

The author of controversial book 'Lajja' is a citizen of
Options: Pakistan,    Indonesia,    Bangladesh,    India


Operating system
Options: links a program with the subroutines it references,    provides a layered, user-friendly interface,    enables the programmer to draw a flowchart,    all of the above

Ans:B ,B

The largest production of mica in Asia is from
Options: Indonesia,    Malaysia,    Myanmar,    India


What is a negative ion?
Options: An atom that contains more electrons than neutrons,    An atom that contains more protons than neutrons,    An atom that contains more electrons than protons,    An atom that contains more protons than electrons

Ans:C ,C

1.In Microsoft PowerPoint 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 14

Ans:141. (C),141. (C)

A foreign key is:
Options: a column containing the primary key of another table.,    used to define data types.,    used to define null status.,    all of the above are above correct.

Ans:A ,A

Storage on PC allows you to store files until something erases it, but memory loses its contents whenever its _____ is lost
Options: static,    disk space,    power,    both a and b above

Ans:C ,C

  The spelling dialog box can be involved by choosing spelling from ________ menu.
Options: Insert B. File C. Tools D. View

Ans:– C ,

What will be the output if you format the cell containing 5436.8 as ‘#,##0.00′?
Options: a. 5430 b. 5436.8 c. 5436.80 d. 6.8

Ans:B,– b

Which of the following is(are) true of an artificial intelligence system?
Options: it is computer application where the computer makes decisions or judgment,    it is infallible since it is computer-based,    ultimately, it is expected to replace professionals such as doctors,    two of the above

Ans:A ,A

first governar general visiting HP
Options: lord, hesington, lord emharsat,lord dalhousi, lord cousine

Ans:lord emharsat,lord emharsat

The ALU of a computer normally contains a number of high speed storage elements called
Options: semiconductor memory,    registers,    hard disk,    magnetic disk


One of the following is not a function of bones.
Options: Place for muscle attachment,    Protection of vital organs,    Secretion of hormones for calcium regulation in blood and bones,    Production of blood corpuscles


486. sarvagraahee rakt samooh kaun sa hai?
Options: NA

Ans: ab, ab

. 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

To scan a and b given below, which of the following scanf() statement will you use? #include<stdio.h> float a; double b;
Options: scanf("%f %f", &a, &b);,    scanf("%Lf %Lf", &a, &b);,    scanf("%f %Lf", &a, &b);,    scanf("%f %lf", &a, &b);

Ans:D ,D

While working with MS-DOS, which command will you use to display the version?
Options: DATE Command,    VER Command,    DISK Command,    FORMAT Command

Ans:B ,B

2.All the keys on the IBM PC keyboard repeat as long as one holds them down. These keys are known as
Options: (A)typematic keys (B) functional keys (C) automatic keys (D) alphabetic keys 6

Ans:62. (A),62. (A)

We want to round off x, a float, to an int value, The correct way to do is
Options: y = (int)(x + 0.5),    y = int(x + 0.5),    y = (int)x + 0.5,    y = (int)((int)x + 0.5)

Ans:A ,A

Which of the following is the most critical requirement of a Passenger Reservation System?
Options: ease of programming,    response time,    graphical user Interface,    printing of tickets

Ans:B ,B