In ________ mode, the communication channel is used in both directions at the same time?


Options: Full-duplex B. Simplex C. Half-duplex D. None of the above

Ans:– A ,


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

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More Computer Fundamental Related questions:


Artificial intelligence operates on the principle of using a _____ base as opposed to a data base.
Options: Character,    Knowledge,    PROLOG,    LISP

Ans:B ,B


Columns dialog box can be opened from
Options:  A) Format menu Columns submenu, B) Double click on column space in ruler, C) Press Alt + O + C, D) All of above, 

Ans:-D,-D


What is the shortcut key for repeat the recent find?
Options: A. CTRL + F4 B. SHIFT + F4 C. CTRL + F5 D. SHIFT + F5

Ans:– B ,SHIFT + F4


Which policy replace a page if it is not in the favoured subset of a process's pages?
Options: FIFO,    LRU,    LFU,    Working set

Ans:D ,D


A data dictionary doesn't provide information about:
Options: where data is located,    the size of the disk storage device,    It allows a many-to-many relationship,    It is conceptually simple

Ans:B ,B


. In order to arrange the countries from those with the highest population to those with the lowest, you need to sort on the population field in ……………
Options: a. ascending order b. descending order c. alphabetical order d. random order

Ans:– b,– b


. Which of the following are (is) considered to be video component?
Options: A) Resolution B) Color depth C) Refresh rate D) All of the alcove

Ans:8-D,8-D


A logical schema
Options: is the entire database,    is a standard way of organizing information into accessible parts,    describes how data is actually stored on disk,    All of the above

Ans:B ,B


Pressure sensors:
Options: use the piezoresistive effect in strain gauge sensors,    use an aneroid chamber with a variable resistance output,    use capacitive variations to sense pressure,    All of the above

Ans:D ,D


What will be the output of the program? #include<stdio.h> #include<stdlib.h> int main() { char *i = "55.555"; int result1 = 10; float result2 = 11.111; result1 = result1+atoi(i); result2 = result2+atof(i); printf("%d, %f", result1, result2); return 0; }
Options: 55, 55.555,    66, 66.666600,    65, 66.666000,    55, 55

Ans:C ,C


.   to save a presentation you
Options: a. click save on the windows start button b. press Ctrl + F5 c. select File, Save from the menu d. click the saver button on the formatting toolbar

Ans:2 – C ,2 – C


In Cisco's Unified Wireless Solution, what is the split-MAC architecture?
Options: The split-MAC architecture uses MAC addresses to create a forward/filter table and break up collision domains.,    The split-MAC architecture allows the splitting of 802.11 protocol packets between the AP and the controller to allow processing by both devices.,    The split-MAC architecture uses MAC addresses on the wireless network and IP addresses on the wired network.,    The split-MAC architecture uses MAC addresses to create a forward/filter table and break up broadcast domains.

Ans:B ,B


Pipeline implement
Options: A . fetch operand B . calculate operand C . execute instruction D . all of above

Ans:D, all of above


70. Which of the following is not on Home ribbon?
Options: a. Columns b. Font color c. Change Style d. Font

Ans:– A ,– A


Which area in an excel window allows entering values and formulas
Options: a. Title bar b. Menu bar c. Formula bar d. Standard toolbar

Ans:#8211; c,#8211; c


A language which is close to that used within the computer is
Options: High-level language,    Assembly language,    Low-level language,    All of the above

Ans:C,(Canswer


. Formatting a cell in Currency, you can specify
Options: a. Decimal Places b. Currency Symbol c. Both of above d. None of above

Ans:– c,– c


Which of the following is not an Input Device?
Options: A. Touch Screen B. Optical Scanners C. Touch Pad D. Mouse Pad

Ans:D,


If you begin typing an entry into a cell and then realize that you don’t want your entry placed into a cell, you:
Options: a. Press the Erase key b. Press Esc c. Press the Enter button d. Press the Edit Formula button

Ans:#8211; b,#8211; b


Controls of data communication deal with
Options: the communication channel,    the computer,    terminals,    All of the above

Ans:D ,D


Which of the following modifications may not succeed?
Options: Changing a column data type from char to date,    Changing a column data type from numeric to char,    Both of the above actions should succeed.,    Neither of the above actions will succeed.

Ans:A ,A


A smart solid-state sensor is:
Options: one that integrates both logic and a solid-state sensor into one unit.,    one that has two or three substrates,    not available today,    All of the above

Ans:A ,A


The bubbles in a bubble memory pack are created with the help of?
Options: Laser beam,    Magnetic field,    Electric field,    X-ray

Ans:B ,B


Which command will copy the IOS to a backup host on your network?
Options: transfer IOS to 172.16.10.1,    copy run start,    copy start tftp,    copy flash tftp

Ans:D ,D


One nibble is equal to
Options: 4 bits,    8 bits,    6 bits,    16 bits

Ans:A ,A


Which of the following is a problem of file management system?
Options: a. difficult to update b. lack of data independence c. data redundancy d. All of above

Ans:d,All of above


. 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


Point out the error in the program? #include<stdio.h> int main() { struct a { float category:5; char scheme:4; }; printf("size=%d", sizeof(struct a)); return 0; }
Options: Error: invalid structure member in printf,    Error in this float category:5; statement,    No error,    None of above

Ans:B ,B


Common Gateway Interface (CGI) is which of the following?
Options: An interface that accepts and returns data that may be written in SQL.,    An interface that accepts and returns data that may be written in any language that produces an executable file.,    A small program that executes within another application and is stored on the server.,    A small program that executes within another application and is stored on the client.

Ans:B ,B


Which command is used to display the end of the file?
Options: head - r,    tail,    eof,    bof

Ans:B ,B


The configuration register setting of 0x2102 provides what function to a router?
Options: Tells the router to boot into ROM monitor mode,    Provides password recovery,    Tells the router to look in NVRAM for the boot sequence,    Boots the IOS from a TFTP server

Ans:C ,C


When using the loopback address, if TCP/IP is installed correctly, when should you receive a response?
Options: Immediately,    Only if the address fails,    After the next host comes online,    Within two minutes

Ans:A ,A


. What is the result of ‘Select * from customer where CustID>10 and CustID<100’ query?
Options: a. display all customers with CustID from 10 to 100 b. display all customers with CustID above 10 c. display all customers with CustID below 100 d. display all customers with CustID from 11 to 99

Ans:– d,– d


A characteristic of a file server is which of the following?
Options: Manages file operations and is shared on a network.,    Manages file operations and is limited to one PC.,    Acts as a fat client and is shared on a network.,    Acts as a fat client and is limited to one PC.

Ans:A ,A


Each answer below shows example data from a table. Which answer is an example of the missing values 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:C ,C


Which type of OSPF network will elect a backup designated router? Broadcast multi-access Non-broadcast multi-access Point-to-point Broadcast multipoint
Options: 1 and 2,    3 and 4,    3 only,    None of the above

Ans:A ,A


 In Power Point, this is a container for text or graphics.
Options: A. Slide master B. Table C. Placeholder D. Text box

Ans:– D , Text box


To edit in an embedded excel worksheet object in a word document
Options: a. Use the excel menu bar and toolbars inside the word application b. Edit the hyperlink c. Edit the data in a excel source application d. Use the word menu bar and toolbars

Ans:#8211; a,#8211; a


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 command options are displayed when you use the Router# show frame-relay ? command? dlci neighbors lmi pvc map
Options: 1 only,    2 and 4,    3, 4 and 5,    All of the above

Ans:C ,C


In a _____ one module of the new information system is activates at a time.
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success factors

Ans:C ,C


How may valence electrons does a silicon atom have?
Options: 0,    1,    2,    4

Ans:D ,D


Structured design produces computer programs that are
Options: easily,    maintained,    easily understood,    both (a) and (b)

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Which of the following is not a reason that operational data are difficult to read?
Options: Non-duplicated data,    Dirty data,    Missing values,    Non-integrated data

Ans:A ,A


. The ..... program compresses large files into a smaller file
Options: a. WinZip b. WinShrink c. WinStyle d. None of above

Ans: a, a


What is the name of the earliest calculating machine which was based on concepts found in modern computers but was unfortunately never built?
Options: Babbage's Difference Engine,    Pascal's Adder,    Leibnitz's Multiplier,    Differential Analyser

Ans:A ,A


Visual clues that are helpful in computer vision include:
Options: colour and motion,    depth and texture,    height and weight,    a and b above

Ans:D ,D


The files required to maintain general ledger records include
Options: inventory file,    detail postings file,    chart of accounts file,    all of the above

Ans:B ,B


Which of the following symbols is (are) not the Data Flow Diagram (DFD):
Options: a square,    an open rectangle,    a circle,    a triangle

Ans:D ,D


The original LISP machines produced by both LMI and Symbolics were based on research performed at:
Options: CMU,    MIT,    Stanford University,    RAMD

Ans:B ,B

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