What was the active medium used in the first working laser ever constructed?

Options: A diamond block,    Helium-neon gas,    A ruby rod,    Carbon dioxide gas


More technology Related questions:

The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is
Options: oxygen, aluminium, silicon,    aluminium, silicon, oxygen,    oxygen, silicon, aluminium,    silicon, oxygen, aluminium


The snow line of the Rocky Mountains of the USA is about
Options: 3 km above sea level,    6 km above sea level,    it is at the sea level,    None of the above


In this world of fast changing computer technology, one of the most important factor to be considered while purchasing a PC is, it should have a provision for
Options: high level integration,    self upgradability,    intelligent sensors,    faster data access

Ans:B ,B

24. The minimum number of rows and columns in MS Word document is
Options: a. 1 and 1 b. 2 and 1 c. 2 and 2 d. None of above

Ans:– A ,– A

It is more difficult to walk on a sandy road than on a concrete road because
Options: sand is soft and concreter is hard,    the friction between sand and feet is less than that between concrete and feet,    the friction between sand and feet is more than that between concrete and feet,    the sand is grainy but concrete is smooth


. When you rename a file five times then the number of file in the disk is
Options: a. 1 b. 2 c. 3 d. 5

Ans:1 – a ,1 – a

A computer has no more sense than a light
Options: bulb,    pen,    switch,    pad

Ans:C ,C

Which key deletes the character to the right of the cursor
Options: End B. Backspace C. Home D. Delete

Ans:– D ,

jim kaarbet neshanal paark naineetaal (uttaraakhand)
Options: NA

Ans: 887. kaun-sa abhyaarany jangalee haathiyon ke lie prasiddh hain?, 887. kaun-sa abhyaarany jangalee haathiyon ke lie prasiddh hain?

1972 ee
Options: NA

Ans: 872. bhaarat ka sabase bada saarvajanik upakram kaun-sa hai?, 872. bhaarat ka sabase bada saarvajanik upakram kaun-sa hai?

1.Auto Form allows you to
Options: (A)View a subset of your data (B) Create a simple report (C) Create a data entry form (D) Enter records 9

Ans:91. (B),91. (B)

Since 1983, the RBI's responsibility with respect to regional rural banks was transferred to
Options: ARDC,    SBI,    NABARD,    PACs


Which of the following is two way list?
Options: a. grounded header list b. circular header list c. linked list with header and trailer nodes d. List traversed in two directions

Ans:D,List traversed in two directions

Suppose a voltage source has an ideal voltage of 12V and an internal resistance of 0.5W. For what values of load resistance will the voltage source appear stiff?
Options: 5 Ohm,    50 Ohm or more,    100 Ohm,    6 Ohm

Ans:B ,B

4.The hexadecimal number system has a base of
Options: (A)2 (B) 4 (C) 8 (D) 16 5

Ans:54. (D),54. (D)

9.An unpaged cache associates disk domains with the address of the read and continues for a specific length. The major disadvantage of unpaged cache is that
Options: (A)it allows cache domain to contain redundant data (B) it does not allow writes to be cached (C) its access time is greater than that of paged caching (D) read ahead cache domain blocks are necessarily fixed in size 84 | 29

Ans:289. (A),289. (A)

What are the most likely conditions for ESD?
Options: Hot and dry,    Hot and wet,    Cold and dry,    Cold and wet

Ans:B ,B

. Which of the following is not a type of Software

Options: A) System Software B) Application Software C) Utility Software D) Entertainment Software


Who won 2017 nobble Peace Prize
Options: international campaign to abolish nuclear weapons, Juan Manuel Santos

Ans: international campaign to abolish nuclear weapons,A

Which option will be used with ps command to slow the entire command line of the process being run?
Options: -4,    -f,    -1,    -2

Ans:B ,B

Which of the following is not true about modifying table columns?
Options: You can drop a column at any time.,    You can add a column at any time as long as it is a NULL column.,    You can increase the number of characters in character columns or the number of digits in numeric columns,    You cannot increase or decrease the number of decimal places.

Ans:D ,D

http://www.indiabix.com - is an example of what?
Options: A URL,    An access code,    A directory,    A server


. The operating system allows the user to organize the computer’s contents in a hierarchical structure of directories that include all of the following except:
Options: a. Files b. Folders c. Drives d. System

Ans:0 – d ,0 – d

A high speed device used in CPU for temporary storage during processing is called
Options: A register,    A bus,    A databus,    All of the above


Amalgams are
Options: highly coloured alloys,    alloys which contain mercury as one of the contents,    alloys which have great resistance to abrasion,    alloys which contain carbon


Where is a hub specified in the OSI model?
Options: Session layer,    Physical layer,    Data Link layer,    Application layer

Ans:B ,B

The unit of hardware an operator uses to monitor computer processing is the:
Options: Card reader,    CPU,    Line printer,    Console

Ans:D ,D

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to
Options: the heating effect of current alone,    hysteresis loss alone,    both the heating effect of current and hysteresis loss,    intense sunlight at noon


The paperwork that travels with the materials through the production process is called a
Options: shop packet,    weigh bill,    picking ticket,    work order

Ans:A ,A

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 Pixel is __________
Options:  A computer program that draws picture B.  A picture stored in secondary memory C.  The smallest resolvable part of a picture D.  None of these

Ans: – C ,

. It is an association established between common
Options: a. Line b. Relationship c. Primary key d. Records

Ans:0 – b ,0 – b

. WAN is a most used abbreviation in Newtorking, what is its full form?
Options: A) WAP Area Network B) Wide Area Network C) Wide Array of Network D) Wireless Access Network


Shaanan Power


6.In Microsoft PowerPoint size of a table object
Options: (A)Is dependent on the amount of text within the table (B) Is determined by the presentation design but can be changed (C) Is determined by the presentation design and cannot be changed (D) (A)and (C) both are true 4

Ans:46. (B),46. (B)

4.In Excel how can you print three copies of a workbook?
Options: (A)Select File>Properties form the menu and type 3 in the Copies to print text box. (B) Select File >Print from the menu and type 3 in the Number of copies text box. (C) Click the Print button on the standard toolbar to print the document then take it to Kinko’s and have 2 more copies made (D) Press Ctrl+P+3 10

Ans:104. (B),104. (B)

Universities in the Presidency towns in India were established in
Options: 1857,    1858,    1900,    1909


. You have a Command button in the Form Footer, you click the Tabular Control Layout; an attached label will be added in what section?
Options: a. Detail b. Form Footer c. Form Header d. Page Header

Ans:4 – c ,4 – c

. You should choose this mode if you don’t know how long you won’t use your computer but want to have the same desktop state when you resume
Options: a. Shut Down b. Restart c. Sleep d. Hibernate

Ans:4 – d ,4 – d

The systems have been classified in different ways
Options: physical or abstract,    open or closed,    man-made information system,    All of the above

Ans:D ,D

8.Software requirement specification is
Options: (A)The official statement of what is required of the system developers (B) The non official statement of system interface (C) Non specified format of system working (D) None of these 1

Ans:18. (A),18. (A)

. When you point to a text entry in the Office Clipboard gallery in the Clipboard task pane, _____.
Options: a. the first several characters of text in the item display as a ScreenTip b. the text entry is deleted from the Office Clipboard gallery c. the text entry is pasted into the document at the location of the insertion point d. all of the above

Ans: – A , – A

0.Files created with Lotus 1-2-3 have an extension
Options: (A)DOC (B) XLS (C) 123 (D) WK1 4

Ans:40. (C),40. (C)

8.All formula in Excel start with
Options: (A)&percent; (B) + (C) = (D) 6

Ans:68. (D),68. (D)

Which of the following commands allows you to make a directory?
Options: MAKE,    DIR,    MD,    DD

Ans:C ,C

660. araavalee parvatamaala kee sabase oonchee chotee kaunasee hai?
Options: NA

Ans: guru shikhar, guru shikhar

The third crusade was led by
Options: Richard I of England,    Fredrick Barbarossa of Germany,    Philip II of France,    All of the above


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

Options: (A)are used to schedule processes (B) increase as a process remains in the processor (C) are attached to each page in the system (D) are assigned by the user. 20

Ans:202. (A),202. (A)

4.If normalized turnaround time of different process are given. Then Highest response ratio next policy in uniprocessor scheduling policy selects.
Options: (A)The ready process with lowest normalized turnaround time. (B) The ready process with highest normalized turnaround time. (C) The process with shortest expected processing time. (D) The process with highest expected processing time. 12

Ans:124. (B),124. (B)