. What is a light pen?


Options: Mechanical Input device B. Optical input device C. Electronic input device D. Optical output device

Ans: – B ,


Description: mcqquestions

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

Hits Today: 16023 | 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:


By default a real number is treated as a
Options: float,    double,    long double,    far double

Ans:B ,B


You are trying to decide which type of network you will use at your office, and you want the type that will provide communication and avoid collisions on the cable. Which of the following is the best choice?
Options: Token-Ring,    CSMA/CD,    Ethernet,    CSMA/CA

Ans:A ,A


The index consists of
Options: a list of keys,    pointers to the master list,    both (a) and (b),    All of the above

Ans:C ,C


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

Ans:–  D,–  D


Modulation is the process of
Options: converting analog signals to digital signals,    converting digital signals to analog signals,    Multiplexing various signals into high speed line signals,    performing data encryption.

Ans:B ,B


In which of the following technologies is the term HFC used?
Options: DSL,    PPPoE,    Frame Relay,    Dedicated T1

Ans:D ,D


. Which short cut key inserts a new slide in current presentation?
Options: a.  Ctrl+N b.  Ctrl+M c.  Ctrl+S d.  All of above

Ans:0 – B ,0 – B


Which of the following is true concerning the standard network protocol for connecting a client to a Web or database server via the Internet?
Options: Both TCP and IP are needed.,    TCP is needed but IP is not needed.,    TCP is not needed but IP is needed.,    Neither TCP and IP are needed.

Ans:A ,A


. Which programming languages are classified as low level languages?
Options: A) Basic, COBOL, FORTRAN B) Prolog 2, Expert Systems C) Knowledge based Systems D) Assembly Languages

Ans:D,D


The autofill feature
Options: a. extends a sequential series of data b. automatically adds range of cell values c. applies a boarder around the selected cells d. none of the above

Ans:#8211; d,#8211; d


. A(n) _____ is a control that, when clicked, executes an action or series of actions.
Options: a. combo box control b. AutoFormat c. Conditional Format d. command button

Ans:0 – d ,0 – d


. You have field ‘Sex’ of type Byte Number. How to limit its value to 0 and 1 only?
Options: a. By setting required to ‘Yes’ b. By using default value c. By defining validation rule d. By using format

Ans:– c,– c


Point out the error in the following program. #include<stdio.h> #include<stdlib.h> int main() { static char *p = (char *)malloc(10); return 0; }
Options: Error: Lvalue required,    Error: Rvalue required,    Error: invalid *p declaration,    No error

Ans:D ,D


. A utility that can be used to minimize the number of fragmented files and enhance the speed
Options: a. Disk space b. Defrag c. Scandisk d. Double space

Ans:4 – b ,4 – b


How can you disable extended selection mode?
Options: a. Press F8 again to disable b. Press Del to disable c. Press Esc to disable d. Press Enter to disable

Ans:– C,– C


Can you name of the major Operating System used in computers?
Options: MS DOS,    OS/2,    UNIX,    All of the above

Ans:D ,D


Where does a computer add and compare data?
Options: Hard disk,    Floppy disk,    CPU chip,    Memory chip

Ans:C ,C


If the number of bits in a virtual address of a program is 16 and the page size is 0.5 K bytes, the number of pages in the virtual address space is
Options: 16,    32,    64,    128

Ans:D ,D


.  By default, what is the name of a new module in the Modules folder of the Project pane called?
Options: a.            Bas1 b.           Module c.           New Module d.            Module1

Ans:– d,– d


_____ decisions concern the execution of specific tasks to assure that they are. carried out efficiently and effectively.
Options: tactical,    strategic,    operational,    management

Ans:C ,C


CSMA (Carrier Sense Multiple Access) is
Options: a method of determining which device has access to the transmission medium at any time,    a method access control technique for multiple-access transmission media.,    a very common bit-oriented data link protocol issued by ISO.,    network access standard for connecting stations to a circuit-switched network

Ans:B ,B


Graphic representation of the control logic of processing functions or modules representing a system, is known as:
Options: Structured analysis,    Structured chart,    Structured English,    System Flow chart

Ans:B ,B


In order to play and hear sound on a computer, one needs:
Options: a sound card and speakers B. a microphone C. all of them required D. none of them required

Ans:– A ,


What DOS program can you run to see which serial ports are detected?
Options: comdiag,    MSD,    command.com,    SDET

Ans:B ,B


9. ….share characteristics with both hardware and software
Options: a. Operating system b. Software c. Data d. None

Ans:Correct Answer: a,Correct Answer: a


Give me an example of a cell address.
Options: 11 25 B. 911 C. 41A D. A21

Ans:– D ,


The monitor of a computer is connected to it by a
Options: Wire,    Cable,    Bus,    Line driver

Ans:B,B


The BIOS is the abbreviation of ________.
Options: Basic Input Output System B. Best Input Output System C. Basic Input Output Symbol D. Base Input Output System

Ans:– A ,


To activate the previous cell in a pre-selected range, press
Options: a. The Alt key b. The Tab key c. The Enter key d. None of the above

Ans:D,None of the above


A system program that sets up an executable program in main memory ready for execution is
Options: assembler,    linker,    loader,    compiler

Ans:C ,C


Which of the following is not a level of data abstraction?
Options: Physical Level B. Critical Level       C. Logical Level D. View Level

Ans:– B ,


. To display the content of the disk we use
Options: a. Format b. Dir c. Copy d. WinZip

Ans:6 – b ,6 – b


Which scheduler selects which processes should be brought into the ready queue?
Options: Real-term B. Long-term C. Mid-term D. Short-term

Ans:– B ,


If communication software can be called the "traffic cop" of a micro communication system, then what should the modem be called?
Options: Park,    Bridge,    Interface,    Link

Ans:B ,B


If both data and database administration exist in an organization, the database administrator is responsible for which of the following?
Options: Data modeling,    Database design,    Metadata,    All of the above.

Ans:B ,B


An MIS may include operational/ tactical support, decision support, and automated _____ subsystems.
Options: office,    center,    body,    area

Ans:A ,A


The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?
Options: Laser scanner,    Wand,    OCR,    MICR

Ans:A,A


Fork is
Options: the dispatching of a task,    the creation of a new job,    the creation of a new process,    increasing the priority of a task

Ans:C ,C


Which of the following commands is used to count the total number of lines, words, and characters contained in a file.
Options: count p,    wc,    wcount,    countw

Ans:B ,B


In vi editor, forward search is performed using the command.
Options: :pat,    ?pat,    /pat,    All of the above

Ans:C ,C


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


Which of the following is used for serial access storage only?
Options: RAM,    Magnetic tape,    Magnetic disk,    Core memory

Ans:B ,B


Which of the following occurs when a transaction rereads data it has previously read and finds modification or deletions caused by a committed transaction?
Options: Nonrepeatable read,    Phantom read,    Dirty read,    Consistent read

Ans:A ,A


What command is used with vi editor to delete three words?
Options: 3$d,    3 dw,    3 x,    3 dd

Ans:B ,B


. Punched cards were first introduced by

Options: A) Powers B) Pascal C) Jacquard D) Herman Hollerith

Ans:D,D


Which generation of computers is covered by the period 1964-77?
Options: First,    Second,    Third,    Forth

Ans:C ,C


The disadvantages of "Compile and Go" loading scheme is (are):
Options: a portion of memory is wasted because the core occupied by the assembler is unavailable to the object program.,    it is necessary to retranslate the user's program deck every time it is run.,    it is very difficult to handle multiple segments, especially if the source programs are in different languages, and to produce orderly modular programs.,    all of the above

Ans:D ,D


The encoding method specified in the EIA-232 standard is _____.
Options: NRZ-I,    NRZ-L,    Manchester,    Differential Manchester

Ans:B ,B


In which of the following, each data item contains at most 2 points
Options: List structure,    LISP,    List sorting,    List head

Ans:B ,B


What command would you type to list all of the files in the current directory?
Options: DIR,    LIST ALL,    SHOW,    SHOW ME

Ans:A ,A

www.000webhost.com