The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

Options: 1.568 x 103,    6.023 x 1019,    4.84 x 1017,    6.023 x 1023


More Chemistry Related questions:

A beam of light used to record and retrieve data on optical disks is known as
Options: polarized light,    unpolarized concentric light,    laser,    coloured light

Ans:C ,C

what makes AJAX unique?
Options: NA

Ans:It makes data requests asynchronously?,It makes data requests asynchronously?

. The ....contains commands associated with the My Computer window
Options: a. Standard menu b. Start menu c. System menu d. None of the above

Ans: c, c

. Analog computer works on the supply of
Options: A) Continuous electrical pulses B) Electrical pulses but not continuous C) Magnetic strength D) None of the above


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

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

9.Fail soft is
Options: (A)Trustworthiness with which a system or component can be modified to increase its storage or functional capacity (B) Pertaining to a system/component that automatically places itself in a safe operating mode in the event of a failure. (C) Pertaining to a system or component that continues to provide partial operational capability in the event of certain failures (D) None of these 18

Ans:179. (B),179. (B)

Layer 2 switching provides which of the following? Hardware-based bridging (ASIC) Wire speed Low latency Low cost
Options: 1 and 3,    2 and 4,    1, 2 and 4,    All of the above

Ans:D ,D

The complexity of linear search algorithm is
Options: A)O(n) b.O(log n) c.O(n2) d.O(n log n)


The general range of speed in revolutions per minute (rpm) at which floppy disks rotate is
Options: 2400-4700,    390-600,    150-250,    300-600


What command is used to display the top of the file?
Options: grep,    more,    head,    cat

Ans:C ,C

A storage system for small amounts of data is
Options: Magnetic card,    Magnetic tape,    Punched card,    Optical mark reader


How much current flows through a 0.02-H choke that is operating from a 12-V ac, 100-Hz source?
Options: 0.02 A,    0.955 A,    10 A,    2.02 A

Ans:B ,B

3.Reusability is
Options: (A)Extent to which a software module can be used in more than one computing program. (B) It involves regular monitoring of the risks identified and of new risks that develops. 106 | (C) It considers each of the key risks that are identified and also identifies strategies to manage the risk. (D) None of these 23

Ans:233. (A),233. (A)

Primitive operations common to all record management systems include
Options: Print,    Sort,    Look-up,    All of the above

Ans:C ,C

In the following code, the P2 is Integer Pointer or Integer? typedef int *ptr; ptr p1, p2;
Options: Integer,    Integer pointer,    Error in declaration,    None of above

Ans:B ,B

Vadik name of satluj river
Options: arjikia, asikini, purushani, sutudri, kaalindi


The United Nations Conference on Trade and Development (UNCTAD) is located at which of the following places?
Options: Geneva,    Rome,    Paris,    Vienna


Missile 'prithivi' aims
Options: to test the performance of an indigenously built heat-shield,    to hit target without the help of the Air Forces,    to defend a large installations like oil-fields etc. against enemy attacks,    None of the above


3.Every computer in a network has a network address, often called a
Options: (A)hardware address (B) software address (C) computer address (D) none of these

Ans:3. (A),3. (A)

The members of the Rajya Sabha are elected by
Options: the people,    Lok Sabha,    elected members of the legislative assembly,    elected members of the legislative council


Who invented Airship (rigid)?
Options: Dr. Alan M. Turing,    Roger Bacon,    G. Ferdinand Von Zeppelin,    Otto


969. bhaarat ke raashtreey dhvaj ka dijaeen kisane taiyaar kiya tha?
Options: NA

Ans: maidam bheekhaajee kaama, maidam bheekhaajee kaama

Options: (A)The science of collecting, organizing, and applying numerical facts (B) Measure of the probability that a certain hypothesis is incorrect given certain observations. (C) One of the defining aspects of a data warehouse, which is specially built around all the existing applications of the operational data(D) None of these 8

Ans:84. (A),84. (A)

Options: NA

Ans: 580. bhaarat ka kendreey baink kaunasa hai?, 580. bhaarat ka kendreey baink kaunasa hai?

Which of the following are the five built-in functions provided by SQL?

Ans:A ,A

. Which of the following operating system does not implement the multitasking truly?
Options: a. Windows 98 b. Windows NT c. Windows XP d. MS DOS

Ans: d, d

Bubble memory is a
Options: Sequential access device only,    Direct access device only,    Combination of sequential and direct access devices,    All of the above

Ans:C ,C

Devices interconnected by the LAN should include
Options: Computers and terminals,    mass storage device, printers and plotters,    bridges and gateways,    All of the above

Ans:D ,D

Which of the following does not contain a coinage metal?
Options: Silver and Gold,    Zinc and Gold,    Copper and Silver,    Copper and Gold


7.Human error is
Options: (A)It is concerned with the design, evaluation, and implementation of interactive computing systems for human use and with the study of major phenomena surrounding them. (B) Extent to which a software product fulfills its purpose without wasting user’s time/ energy/degrading their morale. (C) Human behavior that results in the introduction of faults into a system. (D) None of these 20

Ans:207. (C),207. (C)

9.Electronic catalogues referred to
Options: (A)The conduct of business with the assistance of telecommunications and telecommunications-based tools (B) The conduct of commerce in goods and services, with the assistance of telecommunications and telecommunications-based tools (C) It refers to means whereby sellers can communicate their offerings to potential buyers (D) None of these 1

Ans:9. (C),9. (C)

What is the short cut key to highlight the entire column?
Options: Ctrl+C B. Ctrl+Enter C. Ctrl+Page Up D. Ctrl+Space Bar

Ans:– D ,

Backing storage is so named because it
Options: is always kept at the back of the CP.U.,    is slow and backward,    backs up the computer's main memory,    lags behind the main memory


Operational budgeting require how many data files that would not otherwise be needed?
Options: 3,    2,    1,    0

Ans:D ,D

. You can set Page Border in Excel from
Options: a. From Border tab in Format Cells dialog box b. From Border tool in Formatting toolbar c. From Line Style tool in Drawing toolbar d. You can not set page border in Excel

Ans:– d,– d

During the normal PC boot process, which of the following is active first?
Options: RAM BIOS,    CMOS,    ROM BIOS,    Hard disk information

Ans:C ,C

Which of the following input/output devices is not associated with personal computers?
Options: mice,    color monitors,    punched cards,    dot-matrix printers


682. jend-avesta kis dharm kee dhaarmik pustak hai?
Options: NA

Ans: paarasee, paarasee

The maximum number of isomers for an alkene with molecular formula C4H8 is
Options: 5,    4,    2,    3


Creating a read-only database is a task that is ________ assigned to beginning database professionals.
Options: always,    commonly,    seldom,    never

Ans:B ,B

Which of the following are the two main components of the CPU?
Options: control unit and registers,    registers and main memory,    control unit and ALU,    ALU and bus


Which of the following line spacing is invalid?
Options:  A) Single, B) Double, C) Triple, D) Multiple,


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

The main factor determining a region's climate is
Options: longitude,    latitude,    temperature,    All of the above


where is motilal nehru library
Options: kangra, shimla, solan, hamirpur, kullu


3.Maximum character EBCDIC can code
Options: (A)8 (B) 16 (C) 64 (D) 256 5

Ans:53. (D),53. (D)

A program that is employed in the development, repair or enhancement of other programs is known as
Options: System software,    Software tool,    Applications program,    Utility program

Ans:B ,B

A composite attribute is which of the following?
Options: An attribute that can be broken into components,    An attribute that cannot be broken into components,    Multiple attributes,    An identifier

Ans:A ,A

Which of the following is being investigated as a means of automating the creation of a knowledge base?
Options: automatic knowledge acquisition,    simpler tools,    discovery of new concepts,    All of the above

Ans:D ,D

The three different types of pen plotter technology are flatbed, drum, and:
Options: electrostatic,    thermal,    pinch roller,    impact

Ans:C ,C