The iron ore magnetite consists of

Options: Fe2O3,    Fe3OH4,    FeCO3,    3Fe2O3 .. 3H2O


More Chemistry Related questions:

6.In system modeling : A-Classification model; B-Stimulus-response model; C-Data processing model: 1-Here data-flow diagram show how data is processed at different stages; 2-Here object class/inheritance diagram show, how entities have the common characteristics;3-Here state transition diagram shows the how the system reader to internal and external events
Options: (A)A-2, B-3, C-1 (B) A-3, B-1, C-2 (C) A-1, B-2, C-3 (D) A-1, B-3, C-2 8

Ans:86. (A),86. (A)

Conversion of an octal number 208 to its binary number is
Options: 100002,    101112,    101102,    111102

Ans:A ,A

Flexible manufacturing allows for:
Options: factory management,    automated design,    tool design and tool production,    quick and inexpensive product changes

Ans:D ,D

3.An algebra that deals with logical propositions which are either true or false is referred as
Options: (A)Boolean algebra (B) Modern Algebra (C) Abstract Algebra (D) None of these 13

Ans:133. (A),133. (A)

In which of the following adder circuits, the carry look ripple delay is eliminated?
Options: Half adder,    Full adder,    Parallel adder,    Carry-look-ahead adder

Ans:D ,D

A normal CD-ROM usually can store up to __________data?
Options: 680 KB B. 680 Bytes C. 680 MB D. 680 GB

Ans:– C ,

The pending invoice file should be stored on a DASD (Direct: Access Storage Device) if
Options: payment execution is batch,    invoice data entry is one-line,    inquiries concerning payable are to be answered on-line,    All of the above

Ans:C ,C

. The _____ Builder is an Access tool for selecting colors from a palette or creating custom colors.
Options: a. Color b. Expression c. Palette d. Property

Ans:5 – a ,5 – a

What is the most likely cause of an "FDD controller Failure" error message?
Options: you did not set the jumper on the floppy drive to drive A,    you forgot to flash CMOS,    you installed the floppy disk drive cable backward,    your computer's floppy drive is defective

Ans:C ,C

Which of the following term is least related to database?
Options: a. Attributes b. Tuples c. Relationship d. Columns

Ans:ndash; d,ndash; d

6.RAID (Redundant Array of Independent Disks) scheme consists of
Options: (A)Five levels from one to six. (B) Six levels, from zero to five. (C) Seven levels, from zero to six. (D) None of these. 14

Ans:146. (C),146. (C)

Shanta Kumar


458. sansad ka uchch sadan kaunasa hai?
Options: NA

Ans: raajyasabha, raajyasabha

4.Coarse-grain Parallelism
Options: (A)In parallel computing, it is a qualitative measure of the ratio of computation to communication (B) Here relatively small amounts of computational work are done between communication events (C) Relatively large amounts of computational work are done between communication / synchronization events (D) None of these 2

Ans:24. (C),24. (C)

What does fp point to in the program ? #include<stdio.h> int main() { FILE *fp; fp=fopen("trial", "r"); return 0; }
Options: The first character in the file,    A structure which contains a char pointer which points to the first character of a file.,    The name of the file.,    The last character in the file.

Ans:B ,B

What type of commands are individual programs kept, as separate files on the hard disk (DOS diskette)?
Options: External,    Internal,    Change,    File

Ans:A ,A

The middle latitude extends between
Options: 23(1/2)? North to 32(1/2)? South,    23(1/2)? and 66? in both the hemispheres,    66? North to 66? South,    North pole and South pole


During Solar eclipse
Options: NA

Ans:The moon comes in between the sun and earth.,The moon comes in between the sun and earth.

Which system was developed by Rank-Xeron for use with office computers and other equipment.
Options: UNIX,    ETHERNET,    PC-DOS,    MS-DOS

Ans:B ,B

raibeej ya haidrophobiya
Options: NA

Ans: 818. dakshin bhaarat ka sarvochch parvat shikhar kaunasa hai?, 818. dakshin bhaarat ka sarvochch parvat shikhar kaunasa hai?

1.In Microsoft PowerPoint we can replace a font on all slides with another font using the …. option
Options: (A)Edit, Fonts (B) Tools, Fonts (C) Tools, Replace Fonts (D) Format, Replace Fonts 15

Ans:151. (D),151. (D)

. The __________ can be defined as an upside down mouse.
Options: a. trackpad b. trackball c. trackpoint d. trackwell

Ans:5 – b ,5 – b

. What is Custom Shows in PowerPoint?
Options: a. Use the only some parts of the monitor is called Custom Shows b. The Presentation which can present only on particular date c. Creating Presentations within a Presentation d. There is no option of Custom Shows

Ans:7 – C ,7 – C

Profit made when an asset is sold more than the price at which it was bought is called
Options: capital,    capital-gain,    capitalism,    None of the above


A prewritten program that's sold to perform a common task is called an application
Options: System software,    Package,    Utilities,    Program

Ans:B ,B

255. panaama nahar kin do mahaasaagaron ko jodatee hai?
Options: NA

Ans: prashaant mahaasaagar aur uttaree atalaantik mahaasaagar, prashaant mahaasaagar aur uttaree atalaantik mahaasaagar

0.Which is not the part of scheduling process?
Options: (A)Creating project chart (B) Defining roles/activities (C) Estimating failures (D) Selling product 6

Ans:60. (D),60. (D)

The section of the CPU that selects, interprets and sees to the execution of program instructions
Options: Memory,    Register unit,    Control unit,    ALU

Ans:C ,C

D/A (digital to analog) conversion:
Options: results in a binary code as the final output,    has to be sampled at 1/2 the highest input frequency,    must be fed through a filter to reproduce the original signal accurately,    both (b) and (c)

Ans:C ,C

Monica Seles is associated with which games?
Options: Tennis,    Volley ball,    Athletics,    Badminton


What Elisha Otis invented?
Options: The brake used in modern elevators,    Jet Engine,    Turbine,    Hydraulic Crane


Which of the following summation operation is performed on the bits to check an error-detecting code?
Options: Codec,    Coder-decoder,    Checksum,    Attenuation

Ans:C ,C

738. ripablik’ pustak kisane likhee?
Options: NA

Ans: pleto ne, pleto ne

The code that should be adequate for present and anticipated data processing both for machine and human use is
Options: Conciseness,    Uniqueness,    Operability,    All of the above

Ans:C ,C

Processors of all computers, whether micro, mini or mainframe must have
Options: ALU,    Primary storage,    Control Unit,    All of the above

Ans:D ,D

District with lowest schedule cast in HP
Options: kinnaur , lahul, kullu, chamba

Ans:lahaul spiti,lahaul spiti

FFC stands for
Options: Foreign Finance Corporation,    Film Finance Corporation,    Federation of Football Council,    None of the above


. The option group ____ describes the contents of the entire option group.
Options: a. event b. frame c. label d. value

Ans:– c,– c

The amount of a certain product sold to a certain customer in a past period can be obtained from the
Options: customer file,    sales history file,    inventory file,    All of the above

Ans:D ,D

A modern electronic computer is a machine that is meant for
Options: Doing quick mathematical calculations,    Input storage, manipulation of outputting of data,    Electronic data processing,    Performing repetitive tasks accurately


363. bhaarateey raashtreey kaangres kee pratham mahila adhyaksh kaun thee? ainee besent
Options: NA

Ans: 364. shaheed-e-aajam’ ke naam se kaun jaane jaate hain?, 364. shaheed-e-aajam’ ke naam se kaun jaane jaate hain?

5.The record is the collection of
Options: (A)Fields (B) Files (C) Data base (D) None of these. 17

Ans:175. (A),175. (A)

. Press the enter key in all of the following circumstances except _____.
Options: a. to insert a blank line into a document b. when the insertion point reaches the right margin c. to begin a new paragraph d. in response to certain Word commands

Ans: – B , – B

. when you print preview a worksheet
Options: a. the entire worksheet is displayed b. the selected range is displayed c. the active portion of the worksheet is displayed d. a, b and c

Ans:– d,– d

who was last rular of sibba rajya
Options: shyam singh, durga singh, bhoop singh, umed singh

Ans:shyam singh,shyam singh

. A factor which would strongly influence a business person to adopt a computer is its

Options: A) Accuracy B) Reliability C) Speed D) All of above


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

While working with MS-DOS, which command is used to display a list of deleted files that DOS can undelete?

Ans:C ,C

What is the name of the temporary data storage area between a peripheral device and the CPU which compensates for the difference between their speeds?
Options: Backing storage,    Buffer,    Main storage,    Temporary storage

Ans:B ,B

What is gutter margin?
Options: a. Margin that is added to the left margin when printing b. Margin that is added to right margin when printing c. Margin that is added to the binding side of page when printing d. Margin that is added to the outside of the page when printing

Ans:– C,– C