What is the function of an operating system?


Options: Manages computer’s resources very efficiently B. Takes care of scheduling jobs for execution C. Manages the flow of data and instructions D. All of the above

Ans:– D ,






More Operating System Related questions:


Excel probably considers the cell entry January 1, 2000 to be a
Options: a. Label b. Value c. Formula d. Text string

Ans:#8211; b,#8211; b


Where is a hub specified in the OSI model?
Options: Session layer,    Physical layer,    Data Link layer,    Application layer

Ans:B ,B


Several objectives are required to achieve a successful data base management program. These are availability of data, quality of data, and
Options: compatibility of data,    transmission of data,    desirability of data,    up-to-date data

Ans:D ,D


. To exit from the Resume Wizard and return to the document window without creating a resume, click the _____ button in any panel in the Resume Wizard dialog box.
Options: a. Cancel b. Back c. Next d. Finish

Ans:– D,– D


.  How to create additional Guide Lines?
Options: a. by holding Ctrl key, click on existing Guide Line and drag b. by holding Alt key, click on existing Guide Line and drag c. by holding Ctrl + Alt key, click on existing Guide Line and drag d. Additional Guide Lines cannot be created

Ans:3 – A ,3 – A


What digits are representative of all binary numbers?
Options: 0,    1,    Both (a) and (b),    3

Ans:C ,C


. A graphical user interface displays
Options: a. Graphics b. Text c. Both of above d. None of above

Ans:7 – c ,7 – c


A acronym for the organisation that publishes programming language standard is
Options: ASCn,    BCD,    ANSI,    EBCDIC

Ans:C ,C


The approach used in top-down analysis and design is
Options: to identify the top level functions by combining many smaller components into a single entity,    to prepare flow charts after programming has been completed,    to identify a top level function an d then create a hierarchy of lower-level modules and components.,    All of the above

Ans:C ,C


Invoices are deleted from the invoice detail file by the
Options: cash receipts subsystem,    execution procedures of accounts,    sales analysis system,    All of the above

Ans:A ,A


. Which computer support co-processors?

Options: A) XT computer B) AT comptuers C) None of these D) Both of these

Ans:B,B


A multi programming system is one that can
Options: run very fast,    share hardware resources with many programs simultaneously,    compute many programs simultaneously,    use many operating systems

Ans:B,B


Satellite-Switched Time-Division Multiple Access (SS/TDMA) is
Options: the method of determining which device has access to the transmission medium at any time.,    a medium access control technique for multiple access transmission media,    a form of TDMA in which circuit switching is used to dynamically change the channel assignments,    All of the above

Ans:C ,C


. An output device that uses words or messages recorded on a magnetic medium to produce audio response is
Options: A) Magnetic tape B) Voice response unit C) Voice recognition unit D) Voice band

Ans:B,B


. Hard disk is coated in both side with
Options: A) Magnetic metallic oxide B) Optical metallic oxide C) Carbon layer D) All of the above

Ans:5-A,5-A


Which of the following is the default page setup orientation of slide in PowerPoint
Options: a. Vertical b. Landscape c. Portrait d. None of above

Ans: – B , – B


. In computing and electronic systems BCD is abbreviation of
Options: Binary Coded Decimal B. Binary Coded Digit C. Bit Coded Decimal D. Bit Coded Digit

Ans:– A ,


. Which one is true for unconditional disk formatting?
Options: a. Destroys every byte of data on a disk by overwriting itwith with blank spaces b. Do not check/scan surface after format c. Transfer system files after format d. All of above

Ans: a, a


. You should choose this mode if you don’t know how long you won’t use your computer but want to have the same desktop state when you resume
Options: a. Shut Down b. Restart c. Sleep d. Hibernate

Ans:4 – d ,4 – d


. A data map is helpful
Options: a. When you have too much data to chart b. To show a geographic distribution of data c. To compare data points d. To show changes in data over time

Ans:– b,– b


. Who designed the first electronics computer ? ENIAC/
Options: A) Von Neumann B) Joseph M Jacquard C) J. P. Eckert and J. W. Mauchly D) All of above

Ans:C,C


A temporary storage area, attached to the CPU, for I/O operations is a:
Options: chip,    buffer,    register,    core

Ans:B ,B


. With which view can you see how text and graphics will appear on the printed page?
Options: a. Normal b. Print Layout c. Outline d. Web Layout

Ans:–  B,–  B


Which device can understand difference between data & programs?
Options: Input device B. Output device C. Memory D. Microprocessor

Ans:– D ,


A programmer reviews the accuracy of an algorithm by _____ it.
Options: Analyzing,    Coding,    Desk-checking,    Planning

Ans:C ,C


. Which of the following functions is used to all the values in a numeric field?
Options: a. Num b. Count c. Sum d. Total

Ans:6 – b ,6 – b


. How to use Format Painter multiple times
Options: By Click on Lock Format Painter Icon B. By Double Click on the Format Painter Icon C. By Selecting Edit -> Format Painter -> Multiple Use D. Format Painter cannot be use multiple times

Ans:– B ,


Devices interconnected by the LAN should include
Options: Computers and terminals,    mass storage device, printers and plotters,    bridges and gateways,    All of the above

Ans:D ,D


Which command is used to link the files?
Options: lk,    ln,    cp,    tar

Ans:B ,B


What is defined by Handout Master?
Options: Slide Formatting B. Slide Transaction C. Layout of Handout D. Layout of Slide

Ans:– C ,


In normal view, how can you quickly change to handout master view?
Options: a. Click the outline tab and select handout master view b. Press the shift key and click the handout master view button c. On the view menu, click slide sorter, and click handouts. d. All of above

Ans: – B , – B


1 Microfarad is the same as:
Options: 1 millionth of a picofarad,    1000 millifarads,    1 million picofarads,    1 million farads

Ans:C ,C


Which of the following command can you execute to count the number of lines in a file?
Options: lc,    wc - l,    cl,    count

Ans:B ,B


Which gate only sends one through if neither of its terminals receives a pulse.
Options: NOT,    NOR,    OR,    NAND

Ans:B ,B


Any method for controlling access to or use of memory is known as
Options: Memory map,    Memory protection,    Memory management,    Memory instruction

Ans:B ,B


. Bit stands for
Options: A) Binary digits B) bit of system C) a part of byte D) All of above

Ans:A,A


. Dot-matrix is a type of
Options: A) Tape B) Printer C) Disk D) Bus

Ans:B,B


. Which is the first electronic digital computer?
Options: A) ENIAC B) MARK I C) Z3 D) ABC

Ans:D,D


. Which of the following is not anti-viruses software?
Options: A) NAV B) F-Prot C) Oracle D) McAfee

Ans:C,C


Which of the following are used to quickly accept, store, and transfer data and instructions that are being used immediately by the CPU?
Options: microprocessors,    registers,    ROM chips,    data buses

Ans:B ,B


.Arrays are best data structures
Options: A)for relatively permanent collections of data b.for the size of the structure and the data in the structure are constantly changing c.for both of above situation d.for none of above situation

Ans:A,A


How can you print three copies of a workbook?
Options: a. Select File>Properties form the menu and type 3 in the Copies to print text box. b. Select File >Print from the menu and type 3 in the Number of copies text box. c. Click the Print button on the standard toolbar to print the document then take it to Kinko’s and have 2 more copies made d. Press Ctrl+P+3

Ans:8211; b,8211; b


What is the maximum data rate for the 802.11g standard?
Options: 6Mbps,    11Mbps,    22Mbps,    54Mbps

Ans:D ,D


In virtual storage, program segments stored on disk during processing are called:
Options: tracks,    blocks,    pages,    sectors

Ans:C ,C


The Norton current is sometimes called the
Options: Shorted-load current,    Open-load current,    Thevenin current,    Thevenin voltage

Ans:A ,A


A code which uses more bits for each character then what is necessary is known as
Options: Hollerith code,    Gray code,    Redundant code,    Mnemonics

Ans:C ,C


. CAD stands for

Options: A) Computer aided design B) Computer algorithm for design C) Computer application in design D) All of the above

Ans:A,A


Which of the following commands is used to display your working directory?
Options: dir,    prompt $p$g,    pwd,    path

Ans:C ,C


Which of the following languages is the most widely used?
Options: PL/1,    BASIC,    FORTRAN,    PASCAL

Ans:C ,C


A key:
Options: must always be composed of two or more columns.,    can only be one column.,    identifies a row.,    identifies a column.

Ans:C ,C

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