The barcode which is used on all types of items, is read by a scanning device directly into the computer. What is the name of this scanning device?


Options: Laser scanner,    Wand,    OCR,    MICR

Ans:A,A






More Computer Fundamental Related questions:


A development stategy whereby the executive control modules of a system are coded and tested first, is known as
Options: Bottom-up development,    Top-down development,    Left-Right development,    All of the above

Ans:B ,B


The [line number G] key allows you
Options: to move cursor left by one position,    to move cursor right by one position,    to move cursor down by one line,    to move cursor to the beginning of the line specified by the number

Ans:D ,D


The new industrial revolution has been caused by:
Options: social unrest,    advances in electronics,    the Vietnam War,    demand for higher wages

Ans:B ,B


What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?
Options: DASD,    FMS,    EMMS,    DBMS

Ans:D ,D


Which of the following is not true of the traditional approach to information processing?
Options: There is common sharing of data among the various applications,    It is file-oriented,    Programs are dependent on the files,    It is inflexible

Ans:A ,A


What will function gcvt() do?
Options: Convert vector to integer value,    Convert floating-point number to a string,    Convert 2D array in to 1D array.,    Covert multi Dimensional array to 1D array

Ans:B ,B


How many types of keys in Database Design?
Options: a. Candidate key b. Primary key c. Foreign key d. All of these

Ans:– d ,


Analog and digital controllers:
Options: cost the same to build,    accept the same input signals,    can be changed with equal case,    All of the above

Ans:E ,E


An audit trail
Options: a . is used to make backup copies b . is the recorded history of operations performed on a file c . can be used to restore lost information d . none of the aobve

Ans:B, is the recorded history


An IRQ allow interface cards to:
Options: Interrupt the CPU to request service,    Pass data to the CPU to be processed,    Pass data from one card to another,    Pass data to the computers memory

Ans:A ,A


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

Ans:D ,D


A disk with usable recording surfaces on each side is known as
Options: Hard disk,    Single-sided disk,    Double-sided disk,    High capacity

Ans:C ,C


The most common input device used today is
Options: Motherboard,   Keyboard,    Scanner,    Mouse

Ans:B,Keyboard


The way a particular application views the data from the data base that the application uses is a :
Options: module,    relational model,    schema,    subschema

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


. Which control lets a user create multiple pages in a form?
Options: a. Check box control b. Combo box control c. Option group control d. Tab control

Ans:– d,– d


What kind of device is a diode?
Options: Bilateral,    Linear,    Nonlinear,    Unipolar

Ans:C ,C


The transfer of data from a CPU to peripheral devices of a computer is achieved through
Options: modems,    computer ports,    interfaces,    buffer memory

Ans:B ,B


Computer information systems are most successful in providing information for:
Options: control decisions,    planning decisions,    strategic decisions,    nonprogrammable decisions

Ans:A ,A


Advantage(s) of using assembly language rather than machine language is (are):
Options: It is mnemonic and easy to read.,    Addresses any symbolic, not absolute,    Introduction of data to program is easier,    all of the above

Ans:D ,D


Which of the following data structure store the homogeneous data elements?
Options: a. Arrays b. Records c. Pointers d. None

Ans:- a,- a


Which of the following is not an advantage of decentralized processing over centralized processing?
Options: reduced data communication costs,    improved system reliability,    increased employee productivity,    increased computer system control

Ans:D ,D


What is the administrative distance of OSPF?
Options: 90,    100,    110,    120

Ans:C ,C


SQL data definition commands make up a(n) ________ .
Options: DDL,    DML,    HTML,    XML

Ans:A ,A


The earliest calculating devices are
Options: Abacus B. Clock C. Difference Engine D. None of these

Ans:– A ,


Which of the following memories contains a thin film of magnetic material sandwitched between two permanent bias magnets?
Options: ROM,    Magnetic disk,    Core memory,    Bubble memory

Ans:C ,C


. LSI, VLSI & ULSI chips were used in which generation?

Options: A) First B) Second C) Third D) Fourth

Ans:D,D


Output segments of AI programming contain(s)
Options: printed language and synthesized speech,    Manipulation of physical object,    Locomotion,    All of the above

Ans:D ,D


. Binary circuit elements have
Options: A) One stable state B) Two stable state C) Three stable state D) None of above

Ans:B,B


. Which of the following is correct regarding Underline in MS-Word?
Options: Color of Underline can be change B. Style of Underline can be change C. Underline can be set using by shortcut key D. All of the above

Ans:– D ,


What is proportional control?
Options: It has a discrete output for each error value,    The controller output varies continuously over a range,    The gain is independent of offset error.,    All of the above

Ans:B ,B


The LRU algorithm
Options: pages out pages that have been used recently,    pages out pages that have not been used recently,    pages out pages that have been least used recently,    pages out the first page in a given area

Ans:C ,C


An instruction in a programming language that is replaced by a sequence of instructions prior to assembly or compiling is known as
Options: procedure name,    macro,    label,    literal

Ans:B ,B


Two files may be joined into a third file if
Options: they have a row in common,    they have a field in common,    they have no records with the same value in the common field,    both (b) and (c)

Ans:B ,B


A port can be:
Options: strictly for input,    strictly for output,    bidirectional,    all the above

Ans:C ,C


. Floppy disks are available in

Options: A) Single side single density B) Single side double density C) Both of above D) None of above

Ans:C,C


To create primary key for a table when in design view
Options: a. Type PRIMARY in field type box when creating required field, b. Mark the Primary check box in field name of required field, c. Click the Primary Key button in Design ribbon when the cursor is in required field, d. None of the above

Ans:C,Click the Primary Key button in Design ribbon when the cursor is in required field


What will be the output of the program? #include<stdio.h> int main() { const char *s = ""; char str[] = "Hello"; s = str; while(*s) printf("%c", *s++); return 0; }
Options: Error,    H,    Hello,    Hel

Ans:C ,C


The company that grew out of research at the MIT AI lab is:
Options: AI corp,    LMI,    Symbolics,    both (b) and (c)

Ans:D ,D


You can select a single range of cells by
Options: a. Clicking the upper-left cell in a group of cells and then pressing the Shift key while clicking the lower right cell in a group of cells b. Pressing the Ctrl key while dragging over the desired cells c. Pressing the Shift key and an arrow key d. Dragging over the desired cells

Ans:#8211; d,#8211; d


Which of the following registers hold the information before it goes to the decoder
Options: control register,    data register,    accumulator,    address register

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


How is ink transferred to paper in common ink jet printers?
Options: Boiling ink,    Crystal,    Motorized pump,    Screens deflect ink on the paper into the proper positions

Ans:B ,B


Which of the following is true concerning triggers?
Options: You do not create them with SQL.,    They execute against only some applications that access a database.,    They have an event, condition, and action.,    They cannot cascade (cause another trigger to fire).

Ans:C ,C


Functional information subsystems can be classified into
Options: input and output subsystems,    processing and output subsystems,    input and processing subsystems,    input, processing, and output subsystems

Ans:A ,A


The standard IRQ for the floppy drive is?
Options: 9,    6,    10,    All of the above

Ans:B ,B


Who originally designed TCP/IP?
Options: The Department of Defense,    Novell,    IBM,    Xerox

Ans:A ,A


. MS DOS was introduced in
Options: a. 1970 b. 1981 c. 1999 d. 2000

Ans:3 – b ,3 – b


. Which is not utility program?
Options: a. Backup b. Scandisk c. Data recovery d. XCOPY

Ans:8 – d ,8 – d


A device used to bring information into a computer is
Options: ALU,    Input device,    Control unit,    Output device

Ans:B ,B

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