. Through which device the main components of the computer communicate with each other?


Options: Keyboard B. System Bus C. Monitor D. Memory

Ans: – B ,


Description: mcqquestions

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

Hits Today: 6873 | Level: Moderate




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


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

Click Here to take quick 5 mins MCQ test to find out.

More Computer Fundamental Related questions:


It is possible to _______ a data source before performing a merge.
Options:  A) Create, B) Modify, C) Sort, D) all of the above,

Ans:-D,-D


In CRC the quotient at the sender
Options: becomes the dividend at the receiver,    becomes the divisor at the receiver,    is discarded,    is the remainder

Ans:C ,C


Memory management is :
Options: not used in modern operating system,    replaced with virtual memory on current systems,    not used on multiprogramming systems,    critical for even the simplest operating systems

Ans:D ,D


Underlined character on the menu or dialog box known as
Options: a. Hot spot, b. Hot key, c. Pane, d. Underline word

Ans:b,Hot key


Ctrl + F
Options: Open Find and Replace Dialog box with activating Find Tab B. Open Page Setup Dialog box with activating Layout Tab C. Open Font Dialog Box with activating Font tab D. Open File Save as Dialog box

Ans:– A ,


What will be the output of the program? #include<stdio.h> #define MAX(a, b) (a > b ? a : b) int main() { int x; x = MAX(3+2, 2+7); printf("%d\n", x); return 0; }
Options: 8,    9,    6,    5

Ans:B ,B


The main idea behind computer files is that it is convenient to
Options: arrange them,    store information together,    create them,    access them

Ans:B ,B


. Which of the following uses the spelling and grammar feature to indicate an incorrect spelling?
Options: a. The incorrect word appears in all capital letters b. The incorrect word has a wavy red line under it c. The incorrect word appears italicized d. The incorrect word appears bold

Ans:7 – B ,7 – B


. To insert slide numbers
Options: a.  Insert a text box and select Insert >> Page Number b.  Insert a textbox and select Insert >> Number >> PageNumber c.  Choose Insert >> Slide Number d.  Insert a new text box and select Insert >> slide Number

Ans:8 – D ,8 – D


A __________ enables you to view data from a table based on a specific criterion
Options: a. Form b. Query c. Macro d. Report

Ans:ndash; b,ndash; b


You have a network with a subnet of 172.16.17.0/22. Which is the valid host address?
Options: 172.16.17.1 255.255.255.252,    172.16.0.1 255.255.240.0,    172.16.20.1 255.255.254.0,    172.16.18.255 255.255.252.0

Ans:D ,D


A data warehouse uses:
Options: partial operational data.,    historical operational data.,    future operational data.,    health care data.

Ans:B ,B


Which one of the following principles best describes the basic operation of an electromagnet?
Options: Current is induced in a conductor that is moving through a magnetic field,    Like magnetic poles repel, while unlike poles attract,    Current flowing through a conductor generates a magnetic field,    Like magnetic poles attract, while unlike poles repel

Ans:C ,C


The UNIX file system stores a data in physical blocks of
Options: 1024 bytes,    2048 bytes,    512 bytes,    256 bytes

Ans:C ,C


After entering all fields required for a table, if you realize that the third field is not needed, how will you remove?
Options: a. You need to delete the whole tablThere is no method to remove a particular field only. b. Delete all the fields from third downwards and reenter the required fields again. c. Select the third column in datasheet view then  Delete d. Select the third row in table design view then Delete

Ans:ndash; d,ndash; d


A device used to bring information into a computer is
Options: ALU,    Input device,    Control unit,    Output device

Ans:B ,B


. CPU speed of a personal computer is

Options: A) 32 KIPS B) 100 KIPS C) 1 MIPS D) None of these

Ans:B,B


A _____ is a program that serves as an interface between application program and a set of coordinated and integrated files called a database.
Options: DDS,    DBMS,    MIS,    Control

Ans:B ,B


. Which of the following cannot be toggled from View >> Toolbars?
Options: a.  Control Toolbox b.  Slides c.  Revisions d.  Reviewing

Ans:5 – B ,5 – B


When both inputs of a J-K flip-flop cycle, the output will:
Options: be invalid,    not change,    change,    toggle

Ans:B ,B


. What will be the output of command prompt $l$p$g
Options: a. C:/> b. <C:> c. C:<> d. None of above

Ans:8 – b ,8 – b


What is the benefit of the Networking?
Options: File Sharing B. Easier access to Resources C. Easier Backups D. All of the Above

Ans:– D ,


. What’s a quick way to extend these numbers to a longer sequence, for instance 1 through 20?
Options: a. Select both cells, and then drag the fill handle over the range you want, for instance 18 more rows b. Select the range you want, include both cells, point to fill on the Edit menu, and then click down. c. Copy the second cell, click in the cell below it, on the standard toolbar click the down arrow on the Paste button, and then click Paste Special d. All of above

Ans:– a,– a


54. If the number of columns is selected 1 and the line between check box is marked, where is the line drawn?
Options: a. in the left margin b. in the right margin c. both in left and right margin d. None of Above

Ans:– D ,– D


Which of the following is considered to be the address after translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:C ,C


Which of the following would be a good starting point for troubleshooting if your router is not translating?
Options: Reboot.,    Call Cisco.,    Check your interfaces for the correct configuration.,    Run the debug all command.

Ans:C ,C


When was punched-card equipment used for the first time to process the British census?
Options: 1910,    1907,    1911,    1914

Ans:C ,C


Which common bus specification provides the fastest data transfer rate?
Options: VL bus,    ISA,    PCI,    All of the above

Ans:C ,C


Which gate sends on a pulse when it receives one at either or both of its terminals.
Options: NOR,    NOT,    OR,    NAND

Ans:C ,C


Header labels contain
Options: creation data,    control totals,    both (a) and (b),    neither (a) nor (b)

Ans:A ,A


A wrist grounding strap contains which of the following:
Options: Surge protector,    Capacitor,    Voltmeter,    Resistor

Ans:D ,D


. The ALU of a computer normally contains a number of high speed storage element called
Options: A) Semiconductor memory B) Registers C) Hard disks D) Magnetic disk

Ans:B,B


. Which major database object stores all data?
Options: a. Field b. Query c. Record d. Table

Ans:3 – d ,3 – d


. Which of the following is not a term of MS-Excel?
Options: a. Cells b. Rows c. Columns d. Document

Ans:– d,– d


When was Pascaline invented?
Options: A) 1617 B) 1620 C) 1642 D) 1837

Ans:-C,-C


.   What is the name of the form used to input chart values?
Options: a. Datasheet b. Microsoft Excel c. Microsoft graph d. Auto form

Ans:5 – A ,5 – A


18. Which of the following command display the name of files in sorted order?
Options: a. Dir/o:n b. Dir/so c. Dir/an d. Dir/ah

Ans:Correct Answer: a,Correct Answer: a


. when you print preview a worksheet
Options: a. the entire worksheet is displayed b. the selected range is displayed c. the active portion of the worksheet is displayed d. a, b and c

Ans:– d,– d


Which is the most difficult environmentally to dispose of?
Options: floppy drives,    hard drives,    power supplies,    CRTs

Ans:D ,D


What is the standard code the computer industry created to represent characters?
Options: DASI,    ASSH,    ASCII,    BASCII

Ans:C ,C


One solution to the multivalued dependency constraint problem is to:
Options: split the relation into two relations, each with a single theme.,    change the theme.,    create a new theme.,    add a composite key.

Ans:A ,A


Portrait and Landscape are
Options: a. Page Orientation b. Paper Size c. Page Layout d. All of above

Ans:– A,– A


Point out the error in the following program. #include<stdio.h> #include<stdarg.h> fun(...); int main() { fun(3, 7, -11.2, 0.66); return 0; } fun(...) { va_list ptr; int num; va_start(ptr, n); num = va_arg(ptr, int); printf("%d", num); }
Options: Error: fun() needs return type,    Error: ptr Lvalue required,    Error: Invalid declaration of fun(...),    No error

Ans:C ,C


. To set an exception to an AutoCorrect rule, click _____ on the menu bar and then click AutoCorrect Options to display the AutoCorrect dialog box.
Options: a. Format b. Edit c. Tools d. View

Ans: – C , – C


The logic gate that will have HIGH or "1" at its output when any one of its inputs is HIGH is a(n):
Options: OR gate,    AND gate,    NOR gate,    NOT gate

Ans:A ,A


The tracks on a disk which can be accessed without repositioning the R/W heads is
Options: Surface,    Cylinder,    Cluster,    All of the above

Ans:B ,B


What command can be used to get information about yourself?
Options: which,    pwd,    i /4,    who am i

Ans:D ,D


What is a brand?
Options: A) The name of companies that made computers B) The name of product a company gives to identify its product in market C) A name of class to indicate all similar products from different companies D) All of above

Ans:-B,-B


How to change the order of Slides in Presentation?
Options: On Slide Sorter View, click on the Soft Slides B. On Slide Sorter View, click on the slide and drag to required position C. On Slide Thumbnail view, click on the slide and drag to required position D. Slides order cannot be changed once it created

Ans:– B ,


. An input /output device at which data enters or leaves a computer system is
Options: A) Keyboard B) Terminal C) Printer D) Plotter

Ans:8-B,8-B

www.000webhost.com