When an iron nail gets rusted, iron oxide is formed

Options: without any change in the weight of the nail,    with decrease in the weight of the nail,    with increase in the weight of the nail,    without any change in colour or weight of the nail


More General Science Related questions:

Which of the following is not a characteristic of a system?
Options: operates for some purpose,    has homogeneous components,    operates within a boundary,    has interacting components

Ans:B ,B

Cursor is a ____
Options: Pixel B. Thin blinking line C. Pointing device D. None of these

Ans:– B ,

5.Cost estimation is
Options: (A)Process of estimating the costs associated with software development projects that include the effort, time, and labor required. (B) Overall cost of maintaining a computer system that includes the costs associated with personnel/training/ maintenance of hardware and software/ requirements growth. (C) Overall cost of operating a computer system that includes the costs associated with personnel / training / system operations. (D) Overall cost of a computer system to an organization that includes the costs associated with operating/ maintaining the system, and the lifetime of operational use of the system. 15

Ans:155. (A),155. (A)

What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."
Options: The keepalives are different times.,    The administrator has the interface shut down.,    The administrator is pinging from the interface.,    No cable is attached.

Ans:B ,B

. What was the nick name of the computer used by the Americans in 1952 for their H-bomb project?



Which of the following is a disadvantage of replication?
Options: Reduced network traffic,    If the database fails at one site, a copy can be located at another site.,    Each site must have the same storage capacity.,    Each transaction may proceed without coordination across the network.

Ans:C ,C

Properties that describe the characteristics of entities are called:
Options: entities.,    attributes.,    identifiers.,    relationships.

Ans:B ,B

Which one of the following statements is true for the voltages in a series RL circuit?
Options: The total voltages is equal to the sum of the voltages across the resistance and inductance,    The voltage always has the same amplitude and phase for every part of the circuit,    The total voltage is less than the sum of the voltages across the resistance and inductance,    The total voltage lags the total current by less than 90

Ans:C ,C

A CPU's processing power is measured in:
Options: IPS,    CIPS,    MIPS,    nano-seconds

Ans:C ,C

Eravikulam National Park
Options: Karnataka,Kerala,Tripura,MadhyaPradesh


The selected design template can be applied
Options: a. to current slide only b. to all the slides c. to all the new presentation you create d. all of above

Ans: – D , – D

What is the height of bhakhra dam ?
Options: NA

Ans:226 m ,226 m

Mica is used in electrical appliances such as electric iron because mica is
Options: a good conductor of heat but a bad conductor of electricity,    a bad conductor of heat but a good conductor of electricity,    a good conductor of heat as well as electricity,    a bad conductor of heat as well as electricity


5.In Microsoft PowerPoint the following provides a printed copy of your presentation
Options: (A)Outlines (B) Speaker notes (C) Audience handouts (D) All of above 13

Ans:135. (C),135. (C)

Which is a permanent database in the general model of compiler?
Options: Literal Table,    Identifier Table,    Terminal Table,    Source code

Ans:C ,C

9.Fragmentation of the file system
Options: (A)can always be prevented (B) occurs only if the file system is used improperly (C) can be temporarily removed by compaction (D) is a characteristic of all file systems 26

Ans:259. (C),259. (C)

How do you display current date only in MS Excel?
Options: date () B. Today () C. now () D. time ()

Ans:– B ,

Quantitative techniques used to solve business problems are called
Options: operations management,    operations science,    operations research,    management operations

Ans:C ,C

How many teeth does a normal adult dog have?
Options: 32,    34,    38,    42


  A Chart can be put as a part of the presentation using
Options: Insert -> Pictures –> Chart B. Insert –> Chart      C. Edit –> Chart D. View -> Chart

Ans:– A ,

Which is the artificial port of India?
Options: NA


Which of the following typically uses a keyboard for input?
Options: desktop terminal,    point-of-sale terminal,    financial transaction terminal,    executive workstation

Ans:E ,E

A name applied by Intel corp. to high speed MOS technology is called
Options: HDLC,    LAP,    HMOS,    SDLC

Ans:C ,C

Bison (Rajbari) National Park
Options: Karnataka,Kerala,Tripura,MadhyaPradesh


Options: place your PC on a rubber mat,    wear leather soled shoes,    periodically touch a safe ground point on the PC to discharge yourself,   wear an ESD wrist strap

Ans:D,wear an ESD wrist strap

A computer, by definition, is any device that computers. This broad definition includes which of the following?
Options: Calculators,    Cash registers,    Automotive controllers,    Desktop computers

Ans:E ,E

4.When new data are to be inserted into a data structure, but there is no available space; this situation is usually called
Options: (A)Housefull (B) Saturated (C) Underflow (D) Overflow

Ans:4. (D),4. (D)

The transistorized computer circuits were introduced in the
Options: First generation,    Second generation,    Third generation,    Fourth generation

Ans:B ,B

Two basic types of operating systems are:
Options: sequential and direct,    batch and timesharing,    sequential and realtime,    batch and interactive.

Ans:D ,D

What does the command routerA(config)#line cons 0 allow you to perform next?
Options: Set the Telnet password.,    Shut down the router.,    Set your console password.,    Disable console connections.

Ans:C ,C

4.User-visible register
Options: (A)Enables machine language programmer to minimize main memory reference by optimizing register use. (B) Enables assembly language programmer to minimize main memory reference by optimizing register use. (C) A and B both true. (D) A and B both false. 1

Ans:14. (C),14. (C)

Computers cannot communicate with each other directly over telephone lines because they use digital pulses whereas telephone lines use analog sound frequencies. What is the name of the device which permits digital to analog conversion at the start of a long distance transmission?
Options: Interface,    Modem,    Attenuation,    Teleprocessor

Ans:B ,B

Without using the mouse or the arrow keys, what is the fastest way of getting to cell A1 in a spreadsheet?
Options: a. Press Ctrl +Home b. Press Home c. Press Shift + Home d. Press Alt + Home

Ans:#8211; a,#8211; a

The mouse pointer moves erratically, what is the possible cause? The mouse
Options: ball is dirty,    is not connected,    driver is not installed properly,    has an incorrect IRQ setting

Ans:A ,A

The chairman of 21st Law Commission is
Options: NA

Ans:Justice Balbir Singh Chauhan,Justice Balbir Singh Chauhan

Miss World 2017
Options: Manushi Chillar, Iris Mittenaere ,Stephanie Del Valle,Manushi

Ans:A,Manushi Chillar

. Which is not an option for customizing a datasheet window?
Options: a. change one row’s height b. hide one column c. change one column’s width d. freeze one column

Ans:– a,– a

. Insert Date, Format Page Number, and Insert AutoText are buttons on the _____ toolbar.
Options: a. Formatting b. Header and Footer c. Standard d. Edit

Ans:– B,– B

143. el.pee.jee. gais mein kya hota hai ?
Options: NA

Ans: byooten, byooten

In what module, multiple instances of execution will yield the same result even if one instancy has not terminated before the next one has begun?
Options: non-reusable module,    serially reusable,    reenterable module,    recursive module

Ans:C ,C

The United Nations declared 1993 as a year of the
Options: disabled,    forests,    girl child,    indigenous people


The process that creates the deep oceanic trenches is called
Options: plate tectonics,    sea floor spreading,    continental drift,    isostasy


Another name for a computer chip is ...
Options: Execute,    Micro chip,    Microprocessor,    Select


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

Ans:Correct Answer: d,Correct Answer: d

6.You can display a database object in design view by
Options: (A)Opening the database object and clicking the view button on the toolbar (B) Selecting the database object and clicking the design button on the database window (C) Selecting the database object and press Ctrl + V (D) Opening the database object and selecting Tools>Design view 6

Ans:66. (B),66. (B)

IRQ6 is typically reserved for:
Options: The floppy,    The keyboard controller,    LPT2,    The modem

Ans:A ,A

Reading of a barometer going down is an indication of
Options: snow,    storm,    intense heat,    rainfall


Gross domestic capital formation is defined as
Options: flow of expenditure devoted to increased or maintaining of the capital stock,    expenditure incurred on physical assets only,    production exceeding demand,    net addition to stock after depreciation


Dr, Yashwant Singh Parmar Kangra palampur , andreta


A subdivision of main storage created by operational software is referred to as a:
Options: compartment,    time-shared program,    divided core,    partition

Ans:D ,D