The basic operations performed by a computer are


Options: Arithmetic operation B. Logical operation C. Storage and relative D. All the above

Ans:– D ,


Description: mcqquestions

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

Hits Today: 17402 | 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:


. In maximum, how many sheets can be set as default while creating new workbook? 
Options: a. 254 b. 255 c. 256 d. No Limit

Ans:– b,– b


. Which command is used to copy system files?
Options: a. Sys b. Command c. MD d. Move

Ans:9 – a ,9 – a


Which file starts MS Word?
Options: a. winword.exe b. word.exe c. msword.exe d. word2003.exe

Ans:– A,– A


. Which of the cell pointer indicates you that you can make selection?
Options: a.  Doctor’s symbol (Big Plus) b.  small thin plus icon c.  Mouse Pointer with anchor at the tip d.  None of above

Ans:– a,– a


In AI programming, a list may contain:
Options: cells,    fields,    pointers,    All of the above

Ans:D ,D


A __ name must be unique within a database
Options: a. Table b. Field c. Record d. Character

Ans:ndash; a,ndash; a


If you wanted to deny all Telnet connections to only network 192.168.10.0, which command could you use?
Options: access-list 100 deny tcp 192.168.10.0 255.255.255.0 eq telnet ,    access-list 100 deny tcp 192.168.10.0 0.255.255.255 eq telnet,    access-list 100 deny tcp any 192.168.10.0 0.0.0.255 eq 23,    access-list 100 deny 192.168.10.0 0.0.0.255 any eq 23

Ans:C ,C


Personnel Administration Data systems, personnel planning data systems and the payroll system all
Options: calculate payroll deductions,    update the accounts payable file,    access the inventory file,    Ail of the above

Ans:E ,E


. In MS Word, Ctrl+S is for …..
Options: a. Scenarios b. Size c. Save d. Spelling Check

Ans:–  C,–  C


.  To assign a macro to an event, users need to open the form in Design View.
Options: a.            event b.            property c.           title d.           macro

Ans:– a,– a


What IRQ is used for COM 2?
Options: 4,    3,    2,    1

Ans:B ,B


The smallest logical data entity is called a data item or data
Options: Base,    Field,    Bank,    Collection

Ans:B ,B


. Which of the following is a correct order of precedence in a formula calculation?
Options: a. Multiplication and division, exponential positive and negative value b. Multiplication and division, positive and negative values, addition and subtraction c. Addition and subtraction, positive and negative values, exponentiation d. None of above

Ans:– d,– d


Data base preparation would be most difficult in a(n)
Options: college or university,    supermarket,    hospital,    bank

Ans:D ,D


What do the following declaration signify? void *cmp();
Options: cmp is a pointer to an void type.,    cmp is a void type pointer variable.,    cmp is a function that return a void pointer.,    cmp function returns nothing.

Ans:C ,C


A device that transmits messages in verbal form is
Options: Audit trail,    Card punch,    Audio response unit,    Magnetic tape

Ans:C ,C


A _____ is responsible for the design and control of a company's data base
Options: DBA,    DBM,    DPMA,    EDP auditor

Ans:A ,A


A storage system for small amounts of data is
Options: Magnetic card,    Magnetic tape,    Punched card,    Optical mark reader

Ans:A,(Aanswer


. Which button might you find in a windows title bar?
Options: a. Close button b. Maximize button c. Minimize button d. All of the above

Ans:3 – d ,3 – d


Which of the following refers to the terms "residual error rate"?
Options: the number of bit errors per twenty four hours of continuous operation on an asynchronous line,    The probability that one or more errors will be undetected when an error detection scheme is used,    the probability that one or more errors will be detected when an error detection mechanism is used,    signal to noise ratio divided by the ratio of energy per bit to noise per hertz

Ans:B ,B


The electronic component that has been the key to recent developments in automation is the:
Options: improved vacuum tube,    integrated circuit,    diode,    transistor

Ans:B ,B


. Which of the following are the two main components of the CPU?
Options: A) Control Unit and Registers B) Registers and Main Memory C) Control unit and ALU D) ALU and bus

Ans:C,C


After you _____ a record, many data management the environments require you to issue a command to save the changes you made.
Options: Delete,    Update,    Sort key,    Index

Ans:B ,B


. How do you rearrange the data in ascending or descending order?
Options: Data, Sort B. Data, Form C. Data, Table D. Data Subtotals

Ans: – A ,


We have Market Basket data for 1,000 rental transactions at a Video Store. There are four videos for rent -- Video A, Video B, Video C and Video D. The probability that Video D will be rented given that Video C has been rented is known as ________ .
Options: the basic probability,    support,    lift,    confidence

Ans:D ,D


Which of the declaration is correct?
Options: int length;,    char int;,    int long;,    float double;

Ans:A ,A


Which of the following tool is used to partition your hard drive?
Options: mkfs,    fdisk,    fsck,    mount

Ans:B ,B


. Which of the following is the DBMS type
Options: a. Flat File System b. Hierarchical DBMS c. Relational DMBS d. All of the Above

Ans:– d,– d


What hardware architectures are not supported by Red Hat?
Options: SPARC,    IBM-compatible,    Alpha,    Macintosh

Ans:D ,D


What is the shortcut key to “Insert Hyperlink ” in a document?
Options: Ctrl + H B. Ctrl + L C. Ctrl + K D. None of above

Ans:– C ,


Which constraint requires that the binary relationship indicate all combinations that must appear in the ternary relationship?
Options: MUST COVER,    MUST NOT,    Both of the above.,    None of the above is correct.

Ans:A ,A


. What are the three options available in Insert >> Picture menu?
Options: a.  Clipart, Pictures, Shapes b.  Clipart, From File, Shapes c.  Clipart, From Files, AutoShapes d.  Clipart, Pictures, AutoShapes

Ans:7 – C ,7 – C


. An operating system version designed for use with a tablet PC is Microsoft Windows XP
Options: a. Home edition b. Media center edition c. Tablet PC edition d. None of the above

Ans: c, c


Which of the following is not true of nonprocedural language?
Options: They can be English-like.,    They can take user-friendly forms.,    BASIC is an example of a nonprocedural language.,    All of the above are true

Ans:C ,C


Which of the following is used as a primary storage device?
Options: A) Magnetic drum B) Hard Disks C) Floppy D) All of above

Ans:-A,-A


. The virtual memory is
Options: a. An extremely large main memory b. An extremely large secondary memory c. An illusion of extremely large main memory d. A type of memory used in super computer

Ans:5 – c ,5 – c


Which command below will instruct DOS to do a "quick format".
Options: FORMAT A: /QUICK,    FORMAT A: /Q,    FORMAT A: /QU,    FORMAT A: /QF

Ans:B ,B


Baseband is
Options: transmission of signals without modulation,    a signal all of whose energy is contained within a finite frequency range,    the simultaneous transmission of data to a number of stations,    All of the above

Ans:A ,A


A lockbox service is used for
Options: depositing cash when bank is closed,    paying bank customer bills automatically,    storing papers in a bank vault,    depositing payments to bank customers

Ans:D ,D


The first step of the implementation phase is
Options: select the computer,    announce the implementation project,    implementation planning,    prepare physical facilities

Ans:C ,C


. A(n) _____ is an image control that displays in the background of a page on a form or report.
Options: a. legend b. icon c. logo d. watermark

Ans:9 – d ,9 – d


A step-down transformer has turns ration of 5:1. If the primary voltage is 120 Vrms, what is the secondary voltage?
Options: 12 V,    18 V,    24 V,    30 V

Ans:C ,C


X.21 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:D ,D


You can automatically include all of the field in a table in a query by___ a strike that appear list box in query design view
Options: a. Clicking b. Right clicking c. Double clicking d. None of the above

Ans:ndash; c,ndash; c


Which file executes commands in DOS?
Options: MS-DOS.SYS,    CONFIG.SYS,    COMMAND.COM,    SYSTEM.INI

Ans:C ,C


. The latest PC keyboards use a circuit that senses the movement by the change in its capacitance,

Options: A) Capacitance keyboard B) Mechanical keyboard C) Qwerty keyboard D) Dvorak keyboard

Ans:A,A


You are troubleshooting a connectivity problem in your corporate network and want to isolate the problem. You suspect that a router on the route to an unreachable network is at fault. What IOS user exec command should you issue?
Options: Router> ping,    Router> trace,    Router> show ip route,    Router> show interface

Ans:B ,B


One million bytes of information is abbreviated as
Options: Bit,    MB,    KB,    GB

Ans:B ,B


A bidirectional feedback loop links computer modelling with:
Options: artificial science,    heuristic processing,    human intelligence,    cognitive science

Ans:D ,D


The access method used for cassette tape is
Options: Direct,    Random,    Sequential,    All of the above

Ans:C,C

www.000webhost.com