Rectifiers are used to convert

Options: Direct current to Alternating current,    Alternating current to Direct current,    high voltage to low voltage,    low voltage to high voltage


More physics Related questions:

To define what columns should be displayed in an SQL SELECT statement:
Options: use FROM to name the source table(s) and list the columns to be shown after SELECT.,    use USING to name the source table(s) and list the columns to be shown after SELECT.,    use SELECT to name the source table(s) and list the columns to be shown after USING.,    use USING to name the source table(s) and list the columns to be shown after WHERE.

Ans:A ,A

. To return the remainder after a number is divided by a divisor in EXCEL we use the function?
Options: a. ROUND ( ) b. FACT ( ) c. MOD ( ) d. DIV ( )

Ans:– c,– c

where is bajora templte in HP
Options: kinnaur , lahul, kullu, mandi


80. sanyukt raashtr sangh kee sthaapana kab huee ?
Options: NA

Ans: 24 aktoobar 1945, 24 aktoobar 1945

If you get both local and remote echoes, every character you type will appear on the screen
Options: once,    twice,    three times,    never

Ans:B ,B

How to implement a network medium that is not susceptible to EMI. Which type of cabling should you use?
Options: Thicknet coax,    Thinnet coax,    Category 5 UTP cable,    Fiber-optic cable

Ans:D ,D

When using ODBC, which of the following serves as an intermediary between the application and the DBMS drivers?
Options: Data source,    Driver,    Driver manager,    OLE DB

Ans:C ,C

What is the usual number of bits transmitted simultaneously in parallel data transmission used by microcomputers?
Options: 16,    9,    8,    4

Ans:B ,B

An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Options: Magnetic tape,    Voice response unit,    Voice recognition unit.,    Voice band

Ans:B ,B

In Bourne shell, which file sets the Unix environment for the user when the logs into his HOME directory.
Options: .exrc,    .profile,    lastlogin,    .mbox

Ans:B ,B

The nucleus of the copper atom contains how many protons?
Options: 1,    4,    18,    29

Ans:D ,D

Which is not application software?
Options: a. Windows NT b. Page Maker c. WinWord XP d. Photoshop


The first movie with terrific computer animation and graphics was released in 1982. What was its name?
Options: Star Wars,    Tron,    Forbidden Planet,    Dark Star

Ans:B ,B

. If you want all of the white cats grouped together in the database, you need to sort by ________.
Options: a. Color, then Gender b. Pet Type, then Color c. Pet Type, then Gender d. Color, then Pet Name

Ans:– b,– b

642. bhaarat ka poorv se pashchim tak vistaar kitana hai?
Options: NA

Ans: 2933 ki.mee., 2933 ki.mee.

Who has won the Nobel Prize in Economic Sciences 2017?
Options: A. richard thaler B. Colin F Camerer C. Stewart C. Myers D. Richard H. Thaler

Ans:A,richard thaler

3.A data item, which is not broken down into smaller units, is
Options: (A)Data element (B) Elementary data item (C) Data entry (D) Database management 10

Ans:103. (B),103. (B)

aurangajeb ne
Options: NA

Ans: 852. shaahajahaan ne apanee begam mumataaj mahal kee yaad mein kaun-sa smaarak banavaaya tha?, 852. shaahajahaan ne apanee begam mumataaj mahal kee yaad mein kaun-sa smaarak banavaaya tha?

The tropical cyclones with maximum sustained surface winds of 33 ms are called
Options: tropical depressions,    tropical storms,    hurricane,    None of the above


. What should be the extension to execute files?
Options: EXE B. BAT C. COM D. All of the above

Ans: – D ,

where is rohla jharne
Options: kangra, chamba, bilaspur, hamirpur, kullu


In which season do we need more fat?
Options: Rainy season,    Spring,    Winter,    Summer


A file produced by a spreadsheet
Options: is generally stored on disk in an ASCII text format,    can be used as it by the DBMS,    can be used for graphic,    All of the above

Ans:A ,A

Which of the following is a problem of file management system?
Options: a. difficult to update b. lack of data independence c. data redundancy d. All of above

Ans:d,All of above

2.In Data migration
Options: (A)Here data-flow diagram show, how data is processed at different stages in the system. (B) It registers all/ selected activities of a computer system. (C) Technique used to transform raw data into a more useful form (D) Data is shifted to modern data base management system 16

Ans:162. (D),162. (D)

When of the following produces the best quality graphics reproduction?
Options: Dot metric printers,    Ink jet printers,    Laser printers,    Plotters

Ans:D ,D

1.Arrays are best data structures for
Options: (A)relatively permanent collections of data (B) the size of the structure and the data in the structure are constantly changing (C) both of above situation (D) none of above situation 3

Ans:31. (A),31. (A)

5.In Microsoft PowerPoint the following is not a way to cut ext
Options: (A)Select the text and press the delete button (B) Select the text and select Edit, Cut from the menu (C) Select the text and click the Cut button on the toolbar (D) Select the text and press Ctrl + X 6

Ans:65. (A),65. (A)

Point out the error in the following program. #include<stdio.h> #include<stdarg.h> int main() { void display(int num, ...); display(4, 12.5, 13.5, 14.5, 44.3); return 0; } void display(int num, ...) { float c; int j; va_list ptr; va_start(ptr, num); for(j=1; j<=num; j++) { c = va_arg(ptr, float); printf("%f", c); } }
Options: Error: invalid va_list declaration,    Error: var c data type mismatch,    No error,    No error and Nothing will print

Ans:B ,B

The word processing task associated with changing the appearance of a document is
Options: A) Editing B) Writing C) Formatting D) All of above


Damdama Mahal
Options: Sevant Sen, rajender prakash,Suraj Sen, Sidh Sen

Ans:C,Suraj Sen

The agreement according to which the UK, the USA and the former USSR cannot assist other countries in acquiring technology to develop nuclear weapons, is known as
Options: Izmir Treaty,    Nuclear Non-proliferation Treaty (NPT),    both (a) and (b),    None of the above


The time lag, between the keying of the last character on the keyboard input and the appearance of the first output character on the screen, is known as
Options: Key,    System review,    response time,    batch Processing

Ans:C ,C

Ctrl + T
Options: a. Hanging Indent b. Left Indent c. Open Tabs Dialog box d. Terminate all opened Dialog box

Ans:–  A,–  A

who made Rang Mahal
Options: jagat singh, vijay chand, heera chand, jai chand

Ans:B,Vijay chand

The Internet was developed in the...
Options: Early 1990s,    Late 1980s,    Early 1970s,    Late 1960s


. Which of the following is a Data Model?
Options: Entity-Relationship model B. Relational data model C. Object-Based data model D. All of the above

Ans: – D ,

4.UNIX is a
Options: (A)Operating system (B) Hardware (C) Programming language (D) None of these. 19

Ans:194. (A),194. (A)

The set of. instructions for how to tie a bow is an example of the _____Structure.
Options: Control,    Repetition,    Selection,    Sequence

Ans:D ,D

5.Bayesian classifiers is
Options: (A)A class of learning algorithm that tries to find an optimum classification of a set of examples using the probabilistic theory. (B) Any mechanism employed by a learning system to constrain the search space of a hypothesis. (C) An approach to the design of learning algorithms that is inspired by the fact that when people encounter new situations, they often explain them by reference to familiar experiences, adapting the explanations to fit the new situation. (D) None of these

Ans:5. (A),5. (A)

This part-time race car driver invented the bucket seat in 1969. Who was he??
Options: Steve McQueen,    Harrison Frazier,    Paul Newman,    John Wayne


The average rate of domestic savings (gross) for the Indian economy is currently estimated to be in the range of
Options: 15 to 20 percent,    20 to 25 percent,    25 to 30 percent,    30 to 35 percent


Potassium nitrate is used in
Options: medicine,    fertiliser,    salt,    glass


In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
Options: parent,    child,    instance,    subtype

Ans:B ,B

Binary search algorithm can not be applied to
Options: a. sorted linked list b. sorted binary trees c. sorted linear array d. pointer array  


The greatest variety of animal and plant species is fund in
Options: temperate grasslands,    tropical moist forests,    tundra regions,    in hot deserts


National Agricultural Insurance Scheme replacing Comprehensive Crop Insurance Scheme was introduced in the year
Options: 1997,    1998,    1999,    2000


0.Patterns is
Options: (A)General class of approaches to a problem. (B) Performing several computations simultaneously. (C) Structures in a database those are statistically relevant (D) Simple forerunner of modern neural networks, without hidden layers. 8

Ans:80. (C),80. (C)

What will be the output of the program? #include<stdio.h> #include<stdarg.h> void fun(char *msg, ...); int main() { fun("IndiaBIX", 1, 4, 7, 11, 0); return 0; } void fun(char *msg, ...) { va_list ptr; int num; va_start(ptr, msg); num = va_arg(ptr, int); num = va_arg(ptr, int); printf("%d", num); }
Options: IndiaBIX 1 7 11 0,    1,    4,    7

Ans:C ,C

743.paramaanu riektar mein mandak ke roop mein kisaka prayog kiya jaata hai?
Options: NA

Ans: bhaaree paanee aur grephait ka, bhaaree paanee aur grephait ka