Which of the following is Database Language?


Options: Data Definition Language B. Data Manipulation Language C. Query Language D. All of the above

Ans:– D ,






More Database Systems Related questions:


The Acme Corporation is implementing dial-up services to enable remote-office employees to connect to the local network. The company uses multiple routed protocols, needs authentication of users connecting to the network, and since some calls will be long distance, needs callback support. Which of the following protocols is the best choice for these remote services?
Options: 802.1,    Frame Relay,    HDLC,    PPP

Ans:D ,D


A register in which of the following that holds the current instruction while it is being executed is called instruction register.
Options: ALU,    CPU,    Memory,    Address

Ans:B ,B


A process that is repeated, evaluated, and refined is called:
Options: diagnostic,    descriptive,    interpretive,    iterative

Ans:D ,D


Contention is
Options: One or more conductors that serve as a common connection for a related group of devices,    a continuous frequency capable of being modulated or impressed with a second signal,    the condition when two or more stations attempt to use the same channel at the same time,    a collection of interconnected functional units that provides a data communications service among stations attached to the network

Ans:C ,C


What does the acronym ISDN stand for?
Options: Indian Standard Digital Network,    Integrated Services Digital Network,    Intelligent Services Digital Network,    Integrated Services Data Network

Ans:B ,B


The heart of automation technology is.
Options: robots,    computers,    control,    sensors

Ans:B ,B


Which command is used with vi editor to save file and remain in the editing mode?
Options: :q,    :w,    q!,    :x

Ans:B ,B


A machine that connects to two or more electronic mail systems and transfers mail messages among them is known as
Options: Gateways,    mail gateway,    bridges,    User Agent

Ans:B ,B


A 32 bit microprocessor has the word length equal to
Options: 2 bytes,    32 bytes,    4 bytes,    8 bytes

Ans:C,C


Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?
Options: Number of lines of force,    Flux density,    Reluctance,    Magnetomotive force

Ans:A ,A


Which of the following is (are) the characteristic(s) of a system?
Options: organization,    Interaction,    Interdependence,    All of the above

Ans:D ,D


The advantage of Purchase Option is (are)
Options: No financing is requird. The risk of system obsolescence is shifted to the lessor,    the flexibility of modifying the system at will,    Insurances, maintenance, and other expenses are included in the rental charge,    All of the above

Ans:B ,B


Which combination of keys allows you to perform a warm boot?
Options: Ctrl+ESC,    Ctrl+Alt+DEL,    Ctrl+Shift+DEL,    Ctrl+Shift+ENTER

Ans:B ,B


Which of the following device copies electrical signals from one Ethernet to another?
Options: bridge,    repeater,    hub,    passive hub

Ans:B ,B


Which command will prevent subsequent changes to the file CBT.EXE?
Options: RENAME + r CBT.EXE,    ATTRIB + r CBT.EXE,    COPY + r CBT.EXE,    MODE + r CBT.EXE

Ans:B ,B


Number cruncher is the informal name for
Options: Mini computer,    Super computer,    Micro computer,    Mainframe computer

Ans:B ,B


A path by which communication is achieved between a central processor and other devices is called
Options: Audit trail,    Network,    Bus,    Channel

Ans:C ,C


to edit the text within the boxes of an organization chart, you
Options: a. select the box and text, then make changes b. select the box, then make the changes c. highlight the text, them make the changes d. a and b both

Ans: – A , – A


What is the purpose of inserting header and footer in document?
Options:  A) To enhance the overall appearance of the document, B) To mark the starting and ending of page, C) To make large document more readable, D) To allow page headers and footers appear on document when printed,

Ans:-D,-D


What is the main advantage of magnetic core memory over semiconductor RAM memory?
Options: more compact and smaller,    more economical,    a bit does not have to write after reading,    non volatile

Ans:D ,D


How many non-overlapping channels are available with 802.11g?
Options: 3,    12,    23,    40

Ans:A ,A


.The elements of an array are stored successively in memory cells because
Options: A)by this way computer can keep track only the address of the first element and the addresses of other elements can be calculated b.the architecture of computer memory does not allow arrays to store other than serially c.both of above d.none of above

Ans:A,A


The model for a record management system might be
Options: handwritten list,    a Rolodex card file,    a business form,    All of the above

Ans:D ,D


. Which command will you use in PowerPoint if you need to change the color of different objects without changing content?
Options: a.  Design Template b.  Color Scheme c.  Font Color d.  Object Color

Ans:2 – B ,2 – B


Unit testing is
Options: running the system with line data by the actual user,    making sure that the new programs do in fact process certain transactions according to Specifications,    is checking the logic of one or more programs in the candidate system,    testing changes made in an existing or a new program

Ans:D ,D


The step-by-step instructions that solve a problem are called _____.
Options: An algorithm,    A list,    A plan,    A sequential structure

Ans:A ,A


. What is the full form of SQL?
Options: a. Sophisticated Question List b. Structured Question List c. Structured Query Language d. Small Query Length

Ans:– c,– c


The 2's complement of a binary no. is obtained by adding.....to its 1's complement.
Options: 0 ,    1,    10,    12

Ans:B ,B


The size of Yes No field is always
Options: a. 1 bit b. 1 byte c. 1 character d. 1 GB

Ans:ndash; a,ndash; a


A favourable reason for automation is to:
Options: decrease throughput,    raises assembly cost,    perform difficult operations,    increase number of operations

Ans:C ,C


Data communications monitors available on the software market include
Options: ENVIRON/1,    TOTAL,    BPL,    Telenet

Ans:A ,A


The first machine to successfully perform a long series of arithmetic and logical operations was:
Options: ENIAC,    Mark I,    Analytic engine,    UNIVAC-I

Ans:B ,B


The Software which contains rows and columns is called ______
Options: Database B. Drawing C. Spreadsheet D. Word processing

Ans:– C ,


Impact printers
Options: strike a ribbon against the paper to produce character images,    include ink-jet and thermal devices,    are more expensive than Laser printers,    use optical technology

Ans:A ,A


In table design view what are the first column of buttons used for
Options: a. Indicate Primary Key b. Indicate Current Row c. Both of above d. None of above

Ans:ndash; c,ndash; c


How many bits in a byte?
Options: 16,    8,    255,    10

Ans:B ,B


A compiler is a translating program which
Options: A) Translates instruction of a high level language into machine language B) Translates entire source program into machine language program C) It is not involved in program’s execution D) All of above

Ans:-D,-D


Semiconductor devices:
Options: are less reliable than electro¬mechanical components,    usually have a very short MTBF (mean time between failure),    have a very short infant mortality period,    All of the above

Ans:C ,C


. This is the stage in database design where one gathers and list all the necessary fields for the database project.
Options: a. Data definition b. Data refinement c. Establishing relationship d. None of the above

Ans:1 – a ,1 – a


The first mechanical calculating machine was made by
Options: William Oughtred,    Gottfried Leibnitz,    Blaise Pascal,    Charles Babbage

Ans:C ,C


. The meaning of Straight-through Cable is
Options: Four wire pairs connect to the same pin on each end B. The cable Which Directly connects Computer to Computer C. Four wire pairs not twisted with each other D. The cable which is not twisted

Ans: – A ,


Information can be transferred between the DBMS and a
Options: a. spreadsheet program b. word processor program c. graphics program d. all of the above

Ans:D,All of the above


Point out the error in the program. #include<stdio.h> int main() { const int k=7; int *const q=&k; printf("%d", *q); return 0; }
Options: Error: RValue required,    Error: Lvalue required,    Error: cannot convert from 'const int *' to 'int *const',    No error

Ans:D ,D


Which of the following correctly shows the hierarchy of arithmetic operations in C?
Options: / + * -,    * - / +,    + - / *,    / * + -

Ans:D ,D


Which of the plotters listed below eliminates media size limitations?
Options: Drum,    Flatbed,    Electrostatic,    Pinch roller

Ans:A ,A


Layer-2 Switch is also called
Options: Multiport Hub B. Multiport Switch C. Multiport Bridge D. Multiport NIC

Ans:– C ,


A new presentation can be created from
Options: a. Blank Presentation b. From Existing Presentation c. From Design Template d. All of above

Ans: – D , – D


. Offline device is
Options: A) A device which is not connected to CPU B) A device which is connected to CPU C) A direct access storage device D) An I/O device

Ans:A,A


Which class network is used for a collection of a small number of networks with a large number of nodes?
Options: Class A,    Class B,    Class C,    All of the above

Ans:A ,A


The MIS consists of
Options: the central processing unit of the computer only.,    the central processing unit of the computer and input/output units only,    the central processing unit of the computer, input/output units, and data storage units only,    All of the above

Ans:E ,E

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