A set of flip flops integrated together is called ____


Options: Counter B. Adder C. Register D. None of the above

Ans:– C ,


Description: mcqquestions

Asked in: KCC-2018   |   JOA 556-2018  |  HRTC JTO-2017

Hits Today: 13904 | Level: Moderate


******************************************************

Want to see where do you stand among other aspirants in "Computer" category?

Click Here to take quick 10 mins MCQ test to find out.




Got some suggestion about this question or to make this site better? Please leave your comments below.




More Computer Fundamental Related questions:


What command is used with vi editor to save file and remain in the editing mode?
Options: x,    q!,    :w,    :q

Ans:C ,C


The acronym HDI stands for:
Options: Half duplex interface,    Hard disk interface,    Head to disk interference,    Help desk interference

Ans:D ,D


Each answer below shows example data from a table. Which answer is an example of the multivalue, multicolumn problem?
Options: Three columns have the values 534-2435, 534-7867, and 546-2356 in the same row.,    Three rows have the values Brown Small Chair, Small Chair Brown, and Small Brown Chair in the same column.,    Three rows have the values Brown, NULL, and Blue in the same column.,    One row has the value "He is interested in a Silver Porsche from the years 1978-1988" in a column.

Ans:A ,A


. What is the difference between ‘open’ and ‘open exclusively’
Options: a. Open statement opens access database files and open exclusively opens database files of other program like oracle b. Open exclusive locks whole database so that no one can access it whereas open locks only the record that is being accessed c. Both open and open exclusively are same d. Open exclusive command does not exist in MS Access

Ans:6 – b ,6 – b


When mapping a regular entity into a relation which of the following is true?
Options: One relation is created.,    Two relations are created.,    Three relations are created.,    Four relations are created.

Ans:A ,A


Memory unit is one part of
Options: Input device B. Control unit C. Output device D. Central Processing Unit

Ans:– D ,


The data appearing first in the left portion of punched card is
Options: descriptive data,    coded data,    quantitative data,    All of the above

Ans:B ,B


Which of the following applies to a class rather than an object?
Options: Query,    Update,    Scope,    Constructor

Ans:C ,C


. The memory which is programmed at the time it is manufactured
Options: A) ROM B) RAM C) PROM D) EPROM

Ans:5-C,5-C


Which type of pc card (PCMCIA) slot will allow the insertion of a hard drive?
Options: type I,    type II,    type III,    type IV

Ans:C ,C


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


The command to remove rows from a table 'CUSTOMER' is:
Options: REMOVE FROM CUSTOMER ...,    DROP FROM CUSTOMER ...,    DELETE FROM CUSTOMER WHERE ...,    UPDATE FROM CUSTOMER ...

Ans:C ,C


.   What is the term used when you press and hold the left mouse key and move the mouse around the slide?
Options: a. Highlighting b. Dragging c. Selecting d. b and c

Ans:3 – D ,3 – D


. Weight refers to
Options: a. The print density of characters b. The height of the printed character c. Upright or slanted shape d. The design and appearance of characters

Ans:– a,– a


For a memory system, the cycle time is
Options: same as the access time,    longer than the access time,    shorter than the access time,    submultiple of the access time

Ans:B ,B


What should be the first step while OS upgrading? A)  Delete old Operating System B)  Backup old Operating System C)  Backup Critical Data D)  Format Hard Disks
Options:

Ans:– C ,


The basic unit of measurement for resistance is the:
Options: volt,    ampere,    ohm,    watt

Ans:C ,C


Nils Nilsson headed a team at SRI that created a mobile robot named:
Options: Robitics,    Dedalus,    Shakey,    Vax

Ans:C ,C


The first firm to mass-market a microcomputer as a personal computer was
Options: IBM,    Sperry Univac,    Radio Shack,    Data General Corporation

Ans:C ,C


Which of the following terms is the most closely related to main memory?
Options: nonvolatile,    permanent,    control unit,    temporary

Ans:D ,D


. To remove all Sorts in a table you can click the ______ command.
Options: a. Clear All Sorts b. Delete All Sorts c. Eliminate All Sorts d. Remove All Sorts

Ans:9 – a ,9 – a


SQL is:
Options: a programming language.,    an operating system.,    a data sublanguage.,    a DBMS.

Ans:C ,C


The ALU of a computer responds to the commands coming from
Options: A) Primary memory B) Control section C) External memory D) Cache memory

Ans:-B,-B


_____ assist management is answering what-if-questions.
Options: relevant,    management by exception,    predictive reports,    control

Ans:C ,C


The advantage of optimistic locking is that:
Options: the lock is obtained only after the transaction has processed.,    the lock is obtained before the transaction has processed.,    the lock never needs to be obtained.,    transactions that are best suited are those with a lot of activity.

Ans:A ,A


A proposed network infrastructure of interconnected local, regional, and global networks that would support universal interactive multimedia communications. Select the best fit for answer:
Options: Internetworked enterprise,    Information super highway,    Business applications of telecommunications,    Client/Server networks

Ans:B ,B


Which of the following is not critical in PC CAD software?
Options: Crosshatching,    Layering,    Drawing/editing,    Damping

Ans:D ,D


A table that displays data redundancies yields ____________ anomalies
Options: Insertion B. Deletion C. Update D. All of the above

Ans:– D ,


Which of the following is used to derive the address, of a record from the record key
Options: comma,    hashing,    variable,    field

Ans:B ,B


In SQL, which command is used to add new rows to a table?
Options: ALTER TABLE,    ADD ROW,    INSERT,    APPEND

Ans:C ,C


An encyclopedic database
Options: is an information utility that specializes in storing and searching information,    is generally free,    is easy for beginners to use,    All of the above

Ans:A ,A


Which of the following items is not used in Local Area Networks (LANs)?
Options: Computer,    Modem,    Printer,    Cable

Ans:B ,B


Resolution of externally defined symbols is performed by
Options: Linker,    Loader,    Compiler,    Assembler

Ans:A ,A


The ASCII code for the character J is:
Options: 1001 0001,    1001 1010,    0100 1010,    1010 0001

Ans:C ,C


The floppy drive uses which DMA (direct memory access) channel?
Options: 5,    4,    1,    2

Ans:2,D


In help menu of Excel, which of the following tabs are found?
Options: Contents tab B. Answer Wizard tab C. Index tab D. all of the above.

Ans:– D ,


Fifth generation computers are likely to exhibit
Options: artificial intelligence,    heuristic behaviour,    advanced parallel processing,    All of the above

Ans:D,D


. To show/hide the grid lines in Microsoft Excel 2007
Options: Page Layout -> Grid lines -> View B. Insert -> Grid lines -> View C. View -> Grid lines -> View D. Edit -> Grid lines -> View

Ans:– A ,


. A normal CD-ROM usually can store up to __________data?
Options: A) 680 KB B) 680 Bytes C) 680 MB D) 680 GB

Ans:C,C


. What are inserted as cross-reference in Word?
Options: a. Placeholders b. Bookmarks c. Objects d. Word fields

Ans:–  D,–  D


Flood guns bombard the phosphor surface of the tube in which one of the following types of CRT technology?
Options: Direct view storage tube,    Raster scan CRT,    Refresh-vector CRT,    Stroke CRT

Ans:A ,A


. Which of the following is used only for data entry and storage, and never for processing?
Options: A) Mouse B) Dumb terminal C) Micro computer D) Dedicated data entry system

Ans:B,B


. Which of the following is not input unit device?
Options: A) scanner B) camera C) plotter D) digitizer

Ans:C,C


Assembly languages are most commonly used to write computing systems that provide
Options: supervisory information,    priority setting information,    planning information,    All of the above

Ans:A ,A


. What is an intersection of a row and a column?
Options: a. Form b. Cursor c. Cell d. Record

Ans:– c,– c


Which of the following is the original purpose of SQL?
Options: To specify the syntax and semantics of SQL data definition language,    To specify the syntax and semantics of SQL manipulation language,    To define the data structures,    All of the above.

Ans:D ,D


An attribute name should be which of the following?
Options: Singular verb or verb phrase,    Follow a standard format,    Use a alias,    All of the above.

Ans:B ,B


Transient data is which of the following?
Options: Data in which changes to existing records cause the previous version of the records to be eliminated,    Data in which changes to existing records do not cause the previous version of the records to be eliminated,    Data that are never altered or deleted once they have been added,    Data that are never deleted once they have been added

Ans:A ,A


A loader is
Options: a program that places programs into memory and prepares them for execution,    a program that automate the translation of assembly language into machine language,    is a program that appears to execute a source program as if it were machine language,    program that accepts a program written in a high level language and produces an object program

Ans:A ,A


The two classifications of inputs are
Options: energies and maintenance,    maintenance and waste,    maintenance and signal,    products and waste

Ans:C ,C

www.000webhost.com