Which of these is a valid e-mail address?


Options: professor.at.learnthenet,    www.learnthenet.com,    professor@learnthenet.com,    professor@learnthenet

Ans:C,C

More technology Related questions:


To move the cursor page to page of document
Options:  A) Ctrl+PgDn, B) Ctrl+PgUp, C) Both of above, D) None of above, 

Ans:-C,-C


If the present value in a timer in the TI510 is 8, how many milliseconds is required from the time the timer is started until the output is enabled?
Options: 18.0,    133.36,    149.88,    1275.41

Ans:B ,B


The Banker’s algorithm is used
Options:  to rectify deadlock B.  to detect deadlock         C.  to prevent deadlock D.  to slove deadlock

Ans:– C ,


7.Diagnostic routines is a
Options: (A)Programs used to print error messages (B) Indicates system problems and improper program instructions. (C) Both A & B are true (D) None of these 1

Ans:17. (C),17. (C)


Which of the following is not a standard synchronous communication protocol?
Options: SDLC,    SMTP,    SLIP,    PAS

Ans:D ,D


To select an entire column in MS-EXCEL, press?
Options: CTRL + C B. CTRL + Arrow key C. CTRL + S D. None of the above

Ans:– D ,


Chandra Dhar Sharma Guleri belongs to which district
Options:

Ans:Rajasthan,Rajasthan


. Which of the following is required when more than one person uses a central computer at the same time?

Options: A) Terminal B) Light pen C) Digitizer D) Mouse

Ans:A,A


When a new trunk link is configured on an IOS-based switch, which VLANs are allowed over the link?
Options: By default, all VLANs are allowed on the trunk.,    No VLAN's are allowed, you must configure each VLAN by hand.,    Only configured VLAN's are allowed on the link.,    Only extended VLAN's are allowed by default.

Ans:A ,A


Which company carries the construction of submarines, missile-boats and destroyers and so on for the India navy and offshore supply vessels and well-head platforms and so on?
Options: Mazgaon Dock Limited (MDL),    Garden Reach Shipbuilders and Engineering Limited (GRSE),    Goa Shipyard Limited (GSL),    None of the above

Ans:A,A


. 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

Ans:B,B


. Unicode standard is
Options: a. Keyboard layout b. Software c. Font d. Character encoding system

Ans:5 – d ,5 – d


An identifying label on the first record of magnetic tape is
Options: Punched paper tape,    Optical mark reader,    Tape label,    Joystick

Ans:C ,C


Which of the following is not true of future computers?
Options: increased use of CAD/CAM techniques,    faster turnaround time,    developments in artificial intelligence systems,   All are true

Ans:D,all are true


Ctrl + W
Options: a. Save and Print the Document b. Save and Close Word Application c. Save and Close document d. Without Save, Close Document

Ans:–  C,–  C


Which of the following is commonly called a 'polyamide'?
Options: Terylene,    Nylon,    Rayon,    Orlon

Ans:B,B


The heat required to raise the temperature of body by 1 K is called
Options: specific heat,    thermal capacity,    water equivalent,    None of the above

Ans:B,B


A basic capacitor is composed of:
Options: two conductors separated by a dielectric,    two dielectrics separated by a conductor,    two coils separated by a dielectric,    two coils separated by a conductor

Ans:A ,A


What is the 2's complement of 0011 0101 1001 1100 number?
Options: 1100 1010 1100 1011,    1100 1010 0110 0011,    1100 1010 0110 0100,    1100 1010 1111 1111

Ans:C ,C


What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?
Options: DASD,    FMS,    EMMS,    DBMS

Ans:D ,D


When light passes from air into glass it experiences change of
Options: frequency and wavelength,    frequency and speed,    wavelength and speed,    frequency, wavelength and speed

Ans:C,C


. Ctrl + Y
Options: Undo the last Action B. Repeat the last Action C. Delete the last page D. Delete the first page

Ans:– B ,


The average time necessary for the correct sector of a disk to arrive at the read write head is _____
Options: Down time,    Seek time,    Rotational delay,    Access time

Ans:C,(Canswer


who was founder of thiyog riyasat
Options: shivram chand, jai chand, hari chand, datar chand

Ans:jai chand,jai chand


The area of computer science which is concerned with the display of pictures is
Options: Networks,    Graphics,    Designing,    Architecture

Ans:B ,B


'Eight Lives' is a book written by
Options: Raja Ramana,    Savita Ambedkar,    Mahesh Yogi,    Raj Mohan Gandhi

Ans:D,D


Accessing records from a file directly without searching from the beginning of the file is
Options: Time sharing,    Random,    Direct access,    Access time

Ans:C ,C


Interconnected networks need communication processors such as switches, routers, hubs, and gateways. Select the best fit for answer:
Options: TCP/IP,    Protocol,    Open Systems,    Internetwork processor

Ans:D ,D


. A global join will be created automatically when using tables in a(n) _____.
Options: a. form b. report c. query d. field

Ans:1 – b ,1 – b


Hardware devices that are not part of the main computer system and are often added later to the system.
Options: Peripheral,    Clip art,    Highlight,    Execute

Ans:A,A


784. bhaarat ke kis raajy mein janasankhya ghanatv sabase kam hai?
Options: NA

Ans: arunaachal pradesh, arunaachal pradesh


what is populatin of HP
Options: 6864602, 6864206, 6865065, 6864620

Ans:6864602,6864602


Digital signals:
Options: can have three possible levels,    are assigned values of 1 or 0 depending on the voltage level,    have a sinusoidal shape.,    have a frequency measured in units of hertz

Ans:B ,B


Which of the following is the most important raw material for generation of power in India?
Options: Coal,    Mineral Oil,    Natural Gas,    Uranium

Ans:A,A


What layer of the OSI model would you assume the problem is in if you type show interface serial 1 and receive the following message? "Serial1 is down, line protocol is down."
Options: Physical layer,    Data Link layer,    Network layer,    None. It is a router problem.

Ans:A ,A


The size or magnitude of a voltage or current waveform is
Options: Amplitude,    Aloha,    Angle Modulation,    Attenuation

Ans:A ,A


The microcomputer, Intel MCS-80 is based on the widely used Intel
Options: 8080 microprocessor,    8085 microprocessor,    8086 microprocessor,    8082 microprocessor

Ans:A ,A


If a switch receives a frame and the source MAC address is not in the MAC address table but the destination address is, what will the switch do with the frame?
Options: Discard it and send an error message back to the originating host,    Flood the network with the frame,    Add the source address and port to the MAC address table and forward the frame out the destination port,    Add the destination to the MAC address table and then forward the frame

Ans:C ,C


What is the maximum data rate for the 802.11a standard?
Options: 6Mbps,    11Mbps,    22Mbps,    54Mbps

Ans:D ,D


.   An organization has a president, vice president, managers and supervisors. On what level of an organization chart are the vice presidents
Options: a. Fourth level b. Third level c. Second level d. First level

Ans:0 – C ,0 – C


Which statement about sequences is not true?
Options: A sequence is an object that generates a sequential series of unique numbers.,    Sequences are most often used to provide values for surrogate keys.,    NextVal and CurrVal are both sequence methods.,    Sequences guarantee valid surrogate key values.

Ans:D ,D


When not in use, it is very important to keep 5 1/4 diskettes in _____.
Options: Their protective sleeves,    In a plastic bag,    On a shelf in an upright position,    In the floppy drive

Ans:A ,A


The main objective of centrally sponsored Command Area Development programme is
Options: improving the utilisation of irrigation potential,    optimizing agricultural productivity and production from the irrigated area,    both (a) and (b),    None of the above

Ans:C,C


periyaar (keral)
Options: NA

Ans: 888. laahaur-dillee bas seva kya kahalaatee hai?, 888. laahaur-dillee bas seva kya kahalaatee hai?


Which of the following commands is used to update access and modification times of a file?
Options: grep,    wc,    touch,    cat

Ans:C ,C


A turnkey package includes
Options: software,    hardware,    training,    All of the above

Ans:D ,D


. IBM 7000 digital computer
Options: A) Belongs to second generation B) Uses VLSI C) Employs semiconductor memory D) Has modular constructions

Ans:6-D,6-D


The invention of the slide rule is attributed to
Options: Babbage,    Oughtred,    Pascal,    Napier

Ans:B,B


The emitter diode is usually
Options: Forward-biased,    Reverse-biased,    Nonconducting,    Operating in the breakdwon region

Ans:A ,A


File record length
Options: should always be fixed,    Should always be variable,    depends upon the size of the file,    should be chosen to match the data characteristics

Ans:D ,D

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