In mathematical term Table is referred as


Options: Relation B. Attribute C. Tuple D. Domain

Ans:– A ,


Description: mcqquestions

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

Hits Today: 14296 | 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 Database Systems Related questions:


. Anything you cut or copy on to the clipboard remains there until you
Options: a. Change it b. Clear c. Exit windows d. All of the above

Ans:3 – d ,3 – d


Which of the following is true when describing a unique local address?
Options: Packets addressed to a unicast address are delivered to a single interface.,    These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.,    These are like private addresses in IPv4 in that they are not meant to be routed.,    These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.

Ans:D ,D


You need to jump to the next column breaking current column right at the cursor position. How can you break column?
Options:  A) Pressing Ctrl+Enter, B) Pressing Alt+Shift+Enter, C) Break command from Insert menu, D) Both b and c, 

Ans:-C,-C


Which 8-bit chip was used in many of Tandy's TRS-80 computers?
Options: Z-8000,    Motorola 6809,    Z-8088,    Z-80

Ans:D ,D


In phase 1 of the system development life cycle, which of the following aspects are usually analyzed?
Options: outputs,    input (transactions),    controls,    All of the above

Ans:D ,D


The hardware device Jhat acts as both a switching and connecting unit is called a(n):
Options: concentrator,    RS-232C port,    multiplexer,    communications processor

Ans:C ,C


Which method is used to connect a remote computer?
Options: Device,    Dialup,    Diagnostic,    Logic circuit

Ans:B,(Banswer


27. Pressing F8 key for three times selects
Options: a. a word b. a sentence c. a paragraph d. entire document

Ans:– B ,– B


Which of the following is not available in Font Spacing?
Options:  A) Normal, B) Loosely, C) Condensed, D) Expanded, 

Ans:-B,-B


Communication ports are found on the back of microcomputers. They are used to connect the computer to _____
Options: printers,    modems,    other hardware,    All of the above

Ans:D ,D


14. Which command in DOS can be used to recover accidentally deleted files?
Options: a. UNDELETE b. DELETE/CANCEL c. RESTORE d. RECOVER

Ans:Correct Answer: a ,Correct Answer: a


Suppose you had an incurable computer virus and decided to wipe out all the data and partitions on your hard drive and reformat. What is the order in which you must delete the partitions?
Options: Extended, Logical, Primary,    Primary, Extended, Logical,    Logical, Extended, Primary,    Logical, Primary, Extended

Ans:C ,C


Which of the following types of databases are the most common?
Options: Personal,    Workgroup,    Department,    Enterprise

Ans:C ,C


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


Sort/Report generators
Options: a . are faster than index/report generators b . require more disk space than indexed/report generators c . do not need to sort before generating report d . both a and b

Ans:D,Both A and B


The powerful text editor called PC-Write can be used by anybody by paying a small fee. Such programs are called
Options: Software,    Shareware,    Firmware,    Mindware

Ans:B ,B


The subsystem appearing in each of the functional information systems is the
Options: internal accounting subsystem,    environmental intelligence subsystem,    information processor subsystem,    system analysis subsystem

Ans:A ,A


Which of the following can be output by a computer?
Options: graphics,    voice,    text,    computer-usable data or information

Ans:E ,E


. Tabs stop position cannot be the following alignment
Options: Decimal Alignment B. Center Alignment C. Bar Alignment D. Justify Alignment

Ans:– D ,


. In the Relationship window, related fields from each table are connected by a(n) _______________.
Options: a. default field b. linking tables c. index d. join line

Ans:3 – d ,3 – d


Virtual memory is
Options: simple to implement,    used in all major commercial operating systems,    less efficient in utilization of memory,    useful when fast I/O devices are not available

Ans:B ,B


What are the stages in the compilation process?
Options:  Feasibility study, system design and testing B.  Implementation and documentation C.  Lexical Analysis, syntax analysis, and code generation D.  None of the above

Ans:– C ,


. How do you magnify your document?
Options: a. View, Zoom b. Format, Font c. Tools, Options d. Tools, Customize

Ans: –  A , –  A


Administrative supervision of the activities relating to a database is the responsibility of the:
Options: DP manager,    Database administrator,    VP-DP Administration,    DB manager

Ans:B ,B


. Which of the following is the most quickly accessible storage?
Options: A) RAM B) Registers C) Disks D) Pen Drive

Ans:5-B,5-B


Which network topology is considered passive?
Options: Cross,    Bus,    Star,    Mesh

Ans:B,Bus


When inorder traversing a tree resulted E A C K F H D B G; the preorder traversal would return
Options: a. FAEKCDBHG b. FAEKCDHGB c. EAFKHDCBG d. FEAKDCHBG

Ans: b, b


Maximum length of DOS command using any optional parameter is
Options: a. 26 characters b. 87 characters c. 127 characters d. None of above

Ans:Correct Answer: c ,Correct Answer: c


. In EXCEL, you can sum a large range of data by simply selecting a tool button called …..?
Options: a. AutoFill b. Auto correct c. Auto sum d. Auto format

Ans:– c,– c


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

Ans:– A,– A


On the 16-bit ISA bus, IRQ2 is elevated to which higher level Interrupt?
Options: 9,    11,    13,    15

Ans:A ,A


. A ____ is a major database object used to display information in an attractive, easy-to-read screen format.
Options: a. form b. query c. report d. table

Ans:1 – a ,1 – a


On executing the below program what will be the contents of 'target.txt' file if the source file contains a line "To err is human"? #include<stdio.h> int main() { int i, fss; char ch, source[20] = "source.txt", target[20]="target.txt", t; FILE *fs, *ft; fs = fopen(source, "r"); ft = fopen(target, "w"); while(1) { ch=getc(fs); if(ch==EOF) break; else { fseek(fs, 4L, SEEK_CUR); fputc(ch, ft); } } return 0; }
Options: r n,    Trh,    err,    None of above

Ans:B ,B


Which, of the following checks, cannot be carried out on the input data to a system?
Options: consistency check,    Syntax check,    Range check,    All of the above

Ans:B ,B


A common example of a data storage medium is
Options: cartidge,    floppies,    cluge,    disk

Ans:D ,D


What is the alternative name for a diskette?
Options: Floppy disk,    Hard disk,    Flexible disk,    Winchester disk

Ans:A ,A


Any device that performs signal conversion is
Options: Modulator,    Modem,    Keyboard,    Plotter

Ans:A,(Aanswer


. How many steps are there between Start and Finish in AutoContent Wizard?
Options: a. 3 b. 4 c. 5 d. 6

Ans:9 – A ,9 – A


When you ping the loopback address, a packet is sent where?
Options: On the network,    Down through the layers of the IP architecture and then up the layers again,    Across the wire,    through the loopback dongle

Ans:B ,B


A goal of data mining includes which of the following?
Options: To explain some observed event or condition,    To confirm that data exists,    To analyze data for expected relationships,    To create a new data warehouse

Ans:A ,A


A network schema
Options: restricts the structure to a one-to-many relationship,    permits many-to-many relation¬ships,    stores data in tables,    All of the above

Ans:B ,B


The primary job of the operating system of a computer is to
Options: command resources,    manage resources,    provide utilities,    be user friendly

Ans:B ,B


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


A typical modern computer uses
Options: LSI chips,    Vacuum tubes,    Valves,    All the above

Ans:A,A


28. What do you call ‘a collection of character and paragraph formatting commands’?
Options: a. the defaults b. a template c. a style d. a boilerplate

Ans:–  C ,–  C


Which one of the following equations most directly determines the power dissipation of a resistance when you know the power dissipation of a resistance when you know the voltage drop and current?
Options: P = IE,    P = E2/R,    P = I2R,    I = P/E

Ans:A ,A


. Which would you choose to display the statistics about a document?
Options: a. tools, word count b. insert, statistics c. tools, spelling and grammar d. tools, statistics

Ans: –  A , –  A


97. What is the shortcut key for “Find and Replace” dialog box?
Options: a. Ctrl + F b. Ctrl + R c. Ctrl + H d. Ctrl + Shift + F

Ans:–  C ,–  C


Which, of the following, is true for testing and debugging?
Options: Testing checks for logical errors in the programs, while debugging is a process of correcting those errors in the program,    Testing detects the syntax errors in the program while debugging corrects those errors in the program,    Testing and debugging indicate the same thing,    All of the above

Ans:A ,A


Which of the following is responsible for coordinating various operations using timing signals?
Options: Arithmetic-logic Unit,    Control unit,    Memory unit,    Input/Output unit

Ans:B ,B

www.000webhost.com