For what does the world owe Almon Strowger a debt of gratitude?

Options: Parking Meters,    Vending Machines,    Automatic Telephone Exchanges,    Traffic Lights


More inventions Related questions:

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)

. To display hidden files
Options: a. Dir/hidden b. Attrib/ah c. Dir/ah d. None of above

Ans:1 – c ,1 – c

In an atomic explosion, enormous energy is released which is due to
Options: conversion of chemical energy into heat energy,    conversion of mechanical energy into nuclear energy,    conversion of mass into energy,    conversion of neutrons into protons


Logarithm tables were invented by
Options: John Napier,    John Doe,    John Harrison,    John Douglas


Conversion of binary number 1010101000010111 to hexadecimal number is
Options: D8F916,    A8B916,    AA1716,    D9F816


You just installed a new IDE hard drive, but your system BIOS will not recognize the new drive, what should you check first.
Options: cable sequence,    jumpers on the hard drive,    drivers that need to be loaded,    hard drive manufacturer web site information

Ans:B ,B

UART is a type of serial chip. Its letters stand for:
Options: unidirectional access regarding transmission,    universal asynchronous receiver/ transmitter,    upper advanced real transfer,    unable all restore t-bits

Ans:B ,B

It is a database object to view, change, and analyze data in different ways
Options: a. query b. form c. report d. None of the above

Ans:ndash; a,ndash; a

The two functional areas concerned with material flow are
Options: production and marketing,    manufacturing and purchasing,    marketing and finance,    manufacturing and finance

Ans:A ,A

67. maanav shareer kee kis granthi ko maastar granthi kaha jaata hai?
Options: NA

Ans: piyoosh granthi, piyoosh granthi

A condition that led to the development of databases was:
Options: the proliferation of data files,    an increase in the amount of data handled by organizations,    a demand for more data to support informational needs,    all the above.

Ans:D ,D

A characteristic of card systems is:
Options: slowness in processing data,    using cards as records of transactions,    needing a larger DP staff,    all the above


Bhitarkanika National Park
Options: Karnataka,Kerala,Tripura,Odisha


What is ACID properties of Transactions?
Options: Atomicity, Consistency, Isolation, Database B. Atomicity, Consistency, Isolation, Durability C. Atomicity, Consistency, Inconsistent, Durability D. Automatically, Concurrency, Isolation, Durability

Ans:– B ,

The unit of current is
Options: ohm,    watt,    ampere,    None of the above


In which year was UK's premier computing event called "The Which Computer" started?
Options: 1980,    1985,    1986,    1987

Ans:A ,A

3.In Microsoft PowerPoint on which part of the chart are the values entered in a data sheet displayed
Options: (A)The title area (B) The legend (C) The y-axis (D) The x-axis 6

Ans:63. (C),63. (C)

. A Pixel is _________

Options: A) 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


What is the population density of Nagaland?
Options: 120/sq. km,    220/sq. km,    320/sq. km,    420/sq. km


Which of the following refers to a cursor type where changes of any type and from any source are visible?
Options: Forward only,    Static,    Keyset,    Dynamic

Ans:D ,D

Batch files contain a group of MS-DOS commands that are run in successive order. What filename extension identifies batch files?
Options: COM,    BAT,    EXE,    SYS

Ans:B ,B

225. vitaamin ch’ ka raasaayanik naam kya hai?
Options: NA

Ans: eskorbik aml, eskorbik aml

3.Instruction processing consists of
Options: (A)Fetch cycle only (B) Execution cycle only (C) Fetch and Execution cycle both (D) None of these. 3

Ans:33. (C),33. (C)

A tool that can help designers understand the dependencies of database structures is a:
Options: dependency graph.,    data model.,    graphical display.,    None of the above is correct.

Ans:A ,A

A memory in which the information is stored last is on top & is retrieved first is known as
Options: PROM,    Buffer,    Stack,    RAM

Ans:C ,C

Point out the correct statement which correctly free the memory pointed to by 's' and 'p' in the following program? #include<stdio.h> #include<stdlib.h> int main() { struct ex { int i; float j; char *s }; struct ex *p; p = (struct ex *)malloc(sizeof(struct ex)); p->s = (char*)malloc(20); return 0; }
Options: free(p); , free(p->s);,    free(p->s); , free(p);,    free(p->s);,    free(p);

Ans:B ,B

A device that can accept data, hold them&deliver them on demand at a later time is known as
Options: Buffer,    Memory,    CPU,    Register

Ans:B ,B

Which command is used to link the files?
Options: lk,    ln,    cp,    tar

Ans:B ,B

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

Tirthan sanctury is located at ?
Options: NA

Ans:Kullu ,Kullu

If all the banks in an economy are nationalized and converted into a monopoly bank, the total deposits
Options: will decrease,    will increase,    will neither increase nor decrease,    None of the above


9.SizerClient in window programming ?
Options: (A)this type of sizer ensures that a panel window fills the complete client rectangle of a frame window (B) this sizer class makes a panel ‘stick’ to one side of a frame window and the size of the panel window is a fixed number of pixels. (C) this sizer ensures that a panel window is percentage of the size of a frame window. (D) None of these

Ans:39. (A),39. (A)

The PATH command is usually found as part of your _____ file.

Ans:D ,D

You have a network ID of and you need to divide it into multiple subnets in which at least 600 host IDs for each subnet are available. You desire to have the largest amount of subnets available. Which subnet mask should you assign?

Ans:D ,D

1.A fixed number of adjacent bits that represent a particular character or symbol are referred as
Options: (A)Byte (B) Octal (C) Bubble (D) None of these 15

Ans:151. (A),151. (A)

5.In semaphore the process blocked by wait operation is unblocked if
Options: (A)Semaphore value becomes nonnegative (B) Semaphore value becomes nonpositive (C) Semaphore value is negative (D) Semaphore value is positive. 6

Ans:65. (B),65. (B)

Which of the following is the correct order if calling functions in the below code? a = f1(23, 14) * f2(12/4) + f3();
Options: f1, f2, f3,    f3, f2, f1,    Order may vary from compiler to compiler,    None of above

Ans:C ,C

With a NAND latch a low R and a low S produce a _____ condition.
Options: race,    set,    reset,    no change

Ans:A ,A

writer of Himachal Pradesh Histry, culture and economy
Options: D N majumdar, devraj sharma, rahul sanskrityayan , Miyan goverdhan singh

Ans:Miyan goverdhan singh,Miyan goverdhan singh

. Which is NOT a method of creating a table?
Options: a. Datasheet View b. Design View c. Layout View d. Template

Ans:3 – c ,3 – c

An operating system is a program or a group of programs that
Options: Helps in checking the spelling of Word B. Maintain the relationship in Database C. Manages the resources of the Computer D. Performs the calculations of cells in Excel

Ans:– C ,

. … controls the way in which the computer system functions and provides a means by which users can interact with the computer
Options: a. The platform b. The operating system c. Application software d. The motherboard

Ans:1 – b ,1 – b

South Indian temples have
Options: tall towers with curving sides that taper at the top,    gateway towers shaped like trapezoidal pyramids,    both are correct,    None of the above


Which command is used to display all the lines with the string 'sales' from the file empl.lst?
Options: cut sales empl.lst,    /sales > empl.lst,    grep sales empl.lst,    cat | /sales > empl.lst

Ans:C ,C

What is the method of handling deadlocks?
Options: Use a protocol to ensure that the system will never enter a deadlock state. B. Allow the system to enter the deadlock state and then recover. C. Pretend that deadlocks never occur in the system. D. All of the Above

Ans:– D ,

12 varsh
Options: NA

Ans: 866. bhaarat mein kitane sthaanon par kumbh ka mela bharata hai?, 866. bhaarat mein kitane sthaanon par kumbh ka mela bharata hai?

. You can group noncontiguous worksheets with
Options: a. The group button on the standard toolbar b. The shift key and the mouse c. The ctrl key and mouse d. The alt+enter key

Ans:– c,– c

. 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

Which of the following types of databases are the most common?
Options: Personal,    Workgroup,    Department,    Enterprise

Ans:C ,C

Kilowatt is a unit to measure
Options: work,    power,    electricity,    current