The device that can both feed data into and accept data from a computer is


Options: ALU,    CPU,    Input-Output device,    All of the above

Ans:C,(Canswer


Description:






More Computer Fundamental Related questions:


What does RIPv2 use to prevent routing loops? CIDR Split horizon Authentication Classless masking Holddown timers
Options: 1 and 3,    2, 3 and 5,    2 and 5,    3 and 4

Ans:C ,C


Which of the following is (are) not a tool for Application Prototyping?
Options: Application generators,    third generation language,    screen generators,    report generators

Ans:B ,B


Conversion of binary number 1010101000010111 to hexadecimal number is
Options: D8F916,    A8B916,    AA1716,    D9F816

Ans:C,C


. How do you connect internet in your system?
Options: a. My computer >> dialup networking b. Control panel >> modem c. Network neighborhood d. None of above

Ans:3 – a ,3 – a


Which of the following commands can be used to get information about all users who are currently logged into the system?
Options: which,    who,    who am i,    1 /u

Ans:B ,B


. What term refers to a specific set of values saved with the workbook?
Options: a. Range b. Scenario c. Trend line d. What-if analysis

Ans:– b,– b


A computer program that contains expertise in a particular domain is called an:
Options: intelligent planner,    automatic processor,    expert system,    operational symbolizer

Ans:C ,C


. A smart tag will be removed from a cell when
Options: the cell is moved B. the cell is hidden C. the data in the cell is changed or deleted D. the formatting of the cell is changed

Ans:– C ,


Which would you choose to move selected text from one place to another?
Options: Press Ctrl+S B. Click File, Save C. Click Tools, Options, Save D. Click File, Save As

Ans:C ,


How many DMA channels are in an AT-machine?
Options: 3,    4,    7,    8

Ans:B ,B


Which EIGRP information is held in RAM and maintained through the use of Hello and update packets? Neighbor table STP table Topology table DUAL table
Options: 2 only,    4 only,    1 and 3,    All of the above

Ans:C ,C


Which of the following is a group of one or more attributes that uniquely identifies a row?
Options: Key,    Determinant,    Tuple,    Relation

Ans:A ,A


. Pick the one that is used for logical operations or comparisons such as less than equal to or greater than.
Options: A) Arithmetic and Logic Unit B) Control Unit C) Both of above D) None of above

Ans:A,A


A LISP environment consists of a language, a programming environ¬ment, and:
Options: random-access storage,    a processor,    a large address,    a set of functions

Ans:D ,D


All worksheet formula
Options: a. Manipulate values b. Manipulate labels c. Return a formula result d. Use the addition operator

Ans:#8211; c,#8211; c


A structure chart is
Options: a document of what has to be accomplished,    a hierarchical partitioning of the program,    a statement of information processing requirements,    All of the above

Ans:B ,B


What will be the output of the program if the array begins at address 65486? #include<stdio.h> int main() { int arr[] = {12, 14, 15, 23, 45}; printf("%u, %u\n", arr, &arr); return 0; }
Options: 65486, 65488,    65486, 65486,    65486, 65490,    65486, 65487

Ans:B ,B


Which one of the following phrasers best describes flux density?
Options: The concentration of lines of magnetic force,    The rate of change of the number of lines of magnetic force,    The opposition to a build-up of magnetic fields,    The force that maintains lines of force

Ans:A ,A


In MS-Word, for what does ruler help?
Options: to set tabs B. to set indents C. to change page margins D. All of the above

Ans:– D ,


Which one of the following statements is true for the currents in a parallel RC circuit?
Options: The total current is equal to the sum of the currents for the resistance and capacitance,    The current always has the same amplitude and phase for every part of the circuit,    The total current is less than the sum of the currents for the resistance and capacitance,    The total current. is greater than the sum of the currents for the resistance and capacitance

Ans:A ,A


. Which is built directly on the hardware?
Options: a. Computer Environment b. Application Software c. Operating System d. Database System

Ans:0 – c ,0 – c


The records in a file on magnetic tape
Options: can only be accessed serially,    are meant for backup,    cannot be transformed to a disk file,    have to be arranged in a key sequence

Ans:A ,A


Want a PowerPoint photo album slide show to play continuously?
Options: a. Use random slide transitions b. Launch an online broadcast c. Loop continuously d. All of the above

Ans: – A , – A


. Which of the following methods can not be used to enter data in a cell?
Options: a. Pressing an arrow key b. Pressing the tab key c. Pressing the Esc key d. Clicking the enter button to the formula bar

Ans:– c,– c


A numeric value can be treated as label value if …… precedes it.
Options: Apostrophe (‘) B. Exclamation (!) C. Hash (#) D. Tilde (~)

Ans:– A ,


What technology is used for flat panel displays?
Options: Solid state,    RBG monitor,    VLSI,    Direct view storage tube

Ans:A ,A


What is the maximum number of entries in the HOSTS file?
Options: 8,    255,    500,    Unlimited

Ans:D ,D


Which, of the following is not true about the description of a decision table?
Options: A decision table is easy to modify,    A decision table is directly understood by the computer,    A decision table is easy to understand,    All of the above

Ans:B ,B


.   To adjust the width of table columns, you
Options: a. Click table menu. Column width, then make adjustments b. Drag the vertical gridline between two columns c. Drag the column markers on the table ruler bar d. b and c

Ans:7 – D ,7 – D


You have a class A network address 10.0.0.0 with 40 subnets, but are required to add 60 new subnets very soon. You would like to still allow for the largest possible number of host IDs per subnet. Which subnet mask should you assign?
Options: 255.240.0.0,    255.248.0.0,    255.252.0.0,    255.254.0.0

Ans:D ,D


67. Which of the following is not a type of page margin?
Options: a. Left b. Right c. Center d. Top

Ans:– C ,– C


Which one of the following devices is most often used for measuring electrical potential difference?
Options: Voltmeter,    Ohmmeter,    Ammeter,    Wattmeter

Ans:A ,A


. While inserting a diskette into the diskette drive of a PC, the diskette’s label side should face

Options: A) East B) North C) South D) Up

Ans:D,D


Addressing structure
Options: defines the fundamental method of determining effective operand addresses,    are variations in the use of fundamental addressing structures, or some associated actions which are related to addressing.,    performs indicated operations on two fast registers of the machine and leave the result in one of the registers.,    all of the above

Ans:A ,A


. The delete confirmation generated by …switch
Options: a. /p b. /b c. /w d. /c

Ans:4 – a ,4 – a


How many DMA channels are there in an AT class PC?
Options: 3,    4,    7,    8

Ans:D ,D


What does that acronym VGA stand for?
Options: Extended Graphics Adapter,    Enhanced Graphics Array,    Video Graphics Array,    Color Graphics Array

Ans:C ,C


________ is a cover for utilizing OLE DB that is designed for use by almost any language.
Options: ODBC,    ASP,    JPCD,    ADO

Ans:D ,D


What OSI layer handles logical address to logical name resolution?
Options: Transport,    Physical,    Presentation,    Data Link

Ans:A ,A


Routing tables of a router keeps track of
Options: MAC Address Assignments B. Port Assignments to network devices C. Distribute IP address to network devices D. Routes to use for forwarding data to its destination

Ans:– D ,


Why are vacuum tubes also called valves?
Options: A) Because they can amplify the weak signals and make them strong B) Because they can stop or allow the flow of current C) Both of above D) None of above

Ans:-B,-B


. Which of the following can be use as slide background?
Options: a. Gradient b. Texture c. Picture d. All of the Above

Ans:7 – D ,7 – D


A shared lock allows which of the following types of transactions to occur?
Options: Delete,    Insert,    Read,    Update

Ans:C ,C


The OCR reading unit attached to a POS terminal is called a
Options: light pen,    wand,    cursor,    All of the above

Ans:B ,B


_____ is the ratio of correct information to the total amount of information produced over a period.
Options: accuracy,    concise,    simulation,    decision

Ans:A ,A


A key verifier machine is used In controlling
Options: transaction entry,    data communication,    computer processing,    transaction origination

Ans:A ,A


What does the NOW() function return?
Options: It returns the serial number of the current date and time B. It returns the serial number of the current date C. It returns the serial number of the current time D. None of the above

Ans:– D ,


Which area in an Excel window allows entering values and formulas?
Options: Title Bar B. Menu Bar C. Formula Bar D. Standard Tool Bar

Ans:– C ,


Which command displays current directory name or change from one to another?
Options: a. Chdir b. Cd c. Mkdir d. Both a and b

Ans:d. Both a and b,d. Both a and b


Which of the following is NOT a type of SQL constraint?
Options: PRIMARY KEY,    FOREIGN KEY,    ALTERNATE KEY,    UNIQUE

Ans:C ,C

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