What African-American inventor received 5 patents in the field of shoemaking?

Options: Elijah McCoy,    Jan Ernst Matzeliger,    Ernest Just,    Lewis Latimer


More inventions Related questions:

1.In Windows operating system after you double-click a character on the grid of characters, keyboard shortcut CTRL+HOME is used for
Options: (A)Move to the first character (B) Move to the last character (C) Switch between Enlarged and Normal mode when a character is selected (D) None of these 2

Ans:21. (A),21. (A)

The Enterprise tier of the three-tiered database architecture includes:
Options: managing the data.,    managing the User-system interface.,    processing HTTP protocol.,    processing scripting tasks.

Ans:A ,A

Which of the following is false about disk when compared to main memory?
Options: non-volatile,    longer storage capacity,    lower price per bit,    faster

Ans:D ,D

The latest PC keyboards use a circuit that senses the movement by the change in its capacitance. What are these keyboards called?
Options: Capacitance keyboards,    Mechanical keyboards,    Qwerty keyboards,    Dvorak keyboards

Ans:A ,A

4.A connected graph T without any cycles is called
Options: (A)tree graph (B) free tree (C) tree (D) All of the above 5

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

What scheduling algorithm allows processes that are logical runnable to be temporarily suspended?
Options: preemptive scheduling,    non-preemptive scheduling,    FIFO,    FCFS

Ans:A ,A

The term Nirgrantha is associated with
Options: Ajivikas,    Charvakas,    Jainas,    Pasupatas


9.In Excel you can select a single range of cells by
Options: (A)Clicking the upper-left cell in a group of cells and then pressing the Shift key while clicking the lower right cell in a group of cells (B) Pressing the Ctrl key while dragging over the desired cells (C) Pressing the Shift key and an arrow key (D) Dragging over the desired cells 9

Ans:89. (D),89. (D)

The unit of a computer system that executes program, communicates with and often controls the operation of other subsystems of the computer is known as
Options: CPU,    Control Unit,    I/O unit,    Peripheral unit

Ans:A ,A

Where is trilokinath temple in himachal
Options: NA

Ans:Lahaul Spiti,Mandi

. Which of the following data type is used to store logical value in MS Access?
Options: a. True/False b. On/Off c. Yes/No d. All of Above

Ans:– c,– c

When a group of computers is connected together in a small area without the help of telephone lines, it is called
Options: Remote communication network (RCN),    Local area network(LAN),    Wide area network (WAN),    Value added network (VAN)

Ans:B ,B

When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the
Options: a . stack pointer b . accumulator c . program counter d . stack


The complete picture of data stored in database is known as
Options: Record,    Schema,    System flowchart,    DBMS


A proxy server is used for which of the following?
Options: To provide security against unauthorized users,    To process client requests for Web pages,    To process client requests for database access,    To provide TCP/IP

Ans:A ,A

Which device of computer operation dispenses with the use of the keyboard?
Options: Joystick,    Light pen,    Mouse,    Touch

Ans:C ,C

You want to create a standard access list that denies the subnet of the following host: Which of the following would you start your list with?
Options: access-list 10 deny,    access-list 10 deny,    access-list 10 deny,    access-list 10 deny

Ans:D ,D

First Chief minister of HP
Options: Dr, Y S parmar, raja veerbadhra, prem kumar dhumal, shri gumaan singh

Ans:Dr, Y S parmar,Dr, Y S parmar

Options: are easily developed,    probably will not improve over the next decade,    are not important in automation,    will be much smarter and more sophisticated in the future

Ans:D ,D

Naina Devi mela


0.Completeness in software system is referred as
Options: (A)Extent to which all the parts of a software system or component are present and each of its parts is fully specified and developed. (B) Testing of individual hardware/software components (C) An Entity-relation (E-R) diagram show how entities in the system are composed of other entities. (D) It consists of wide range of different types of computer programs, which be used to support software process activities such as a requirement analysis, system modeling, debugging and testing. 15

Ans:150. (A),150. (A)

Deep blue colour is imparted to glass by the presence of
Options: cupric oxide,    nickel oxide,    cobalt oxide,    iron oxide


Compared to analog signals, digital signals
Options: allow faster transmission,    are more accurate,    both (a) and (b),    All of the above

Ans:C ,C

8.Window class, onClick/1, defines
Options: (A)a mouse button was double clicked (B) the user clicks on a window (C) a key on the keyboard is pressed (D) a key on the keyboard is released 2

Ans:28. (B),28. (B)

Which command will allow you to see real-time translations on your router?
Options: show ip nat translations,    show ip nat statistics,    debug ip nat,    clear ip nat translations *

Ans:C ,C

hangrang valley in which district
Options: kinnaur , lahul, kullu, chamba


Most important advantage of an IC is its
Options: Easy replacement in case of circuit failure,    Extremely high reliability,    Reduced cost,    Low power consumption

Ans:B ,B

3.In spiral development the software process form
Options: (A)Sequences (B) Loops (C) Zigzag (D) None of these 3

Ans:33. (B),33. (B)

. Slides can have
Options: a. title, text, graphs b. drawn objects, shapes c. clipart, drawn art, visual d. any of the above

Ans:9 – D ,9 – D

What will be the output of the program? #include<stdio.h> int get(); int main() { const int x = get(); printf("%d", x); return 0; } int get() { return 20; }
Options: Garbage value,    Error,    20,    0

Ans:C ,C

The part of continental margin that is structurally a part of continent?
Options: Continental shelf,    Continental Slope,    both (a) and (b),    None of the above


This data type allows alphanumeric characters and special symbols.
Options: a. text b. memo c. auto number d. None of the above

Ans:dash; a,dash; a

The most electropositive elements among the following is
Options: Na,    Ca,    K,    Cs


The planets with no natural satellites (reported so far) are
Options: Mercury and Venus,    Earth and Pluto,    Mars and Neptune,    Jupiter and Saturn


Which layer 4 protocol is used for a Telnet connection?
Options: IP,    TCP,    TCP/IP,    UDP

Ans:B ,B

First mugal emperor of Kangra
Options: jahangir, momahad gauri, akbar, mahmood gajni


bardosar lake is in which district?
Options: kinnaur , lahul, kullu, mandi


A system design aid should primarily
Options: help analyse both data and activities,    help in documentation,    generate code,    using a graphical user interface

Ans:A ,A

1.In Windows operating system Shortcut for copy is
Options: (A)CTRL+C (B) CTRL+X (C) CTRL+V (D) None of these 4

Ans:41. (C),41. (C)

A batch processing terminal would not include a
Options: CPU,    card reader,    card punch,    line printer

Ans:A ,A

The language that the computer can understand and execute is called
Options: Machine language,    Application software,    System program,    All of the above

Ans:A ,A

What is the difference between mnemonic codes and machine codes?
Options: There is no difference.,    Machine codes are in binary, mnemonic codes are in shorthand English.,    Machine codes are in shorthand English, mnemonic codes are in binary.,    Machine codes are in shorthand English, mnemonic codes are a high-level language.

Ans:B ,B

The two form layout types which display multiple records at one time are tabular and___
Options: a. columnar b. justified c. date sheet d. pivot table

Ans:ndash; b,ndash; b

Which key deletes the character to the left of the cursor
Options: macros B. template C. mail merge D. none

Ans: B ,

A hardware device that is capable of executing a sequence of instructions, is known as
Options: CPU,    ALU,    CU,    Processor

Ans:D ,D

Which of the following does not occur in phase - 4 of the system development life cycle (SDLC)
Options: conduct interviews,    train users,    acquire hardware and software,    test the new system

Ans:A ,A

. When increasing the Control Padding, space is added where?
Options: a. Between the content of the controls and the outside edge of then controls b. Between all controls c. Between the control and the Form’s edge d. Between controls and gridlines

Ans:4 – b ,4 – b

Error control is needed at the transport layer because of potential errors occurring _____.
Options: from transmission line noise,    in routers,    from out-of-sequence delivery,    from packet losses.

Ans:B ,B

We combine hardware, software, people, procedures, and data to create an _____
Options: people,    icons,    information system,    on-line

Ans:C ,C

A hashing scheme is used with
Options: sequential file organization,    direct file organization,    indexed sequential file organization,    partitioned file organization