Which of the following memory unit that processor can access more rapidly


Options:  Main Memory B.  Virtual Memory C.  Cache memory D.  Read Only Memory

Ans:– C ,


Description: mcqquestions






More Operating System Related questions:


The area of coverage of a satellite radio beam is known as
Options: Footprint,    Circular polarization,    Beam width,    Identity

Ans:A ,A


Accessing records from a file directly without searching from the beginning of the file is
Options: Time sharing,    Random,    Direct access,    Access time

Ans:C,C


The Second Generation Computer was based on ________.
Options: Vacuum Tube B. Silicon Chips C. Transistor D. Bio Chips

Ans:– C ,


What is the port number for POP3?
Options: 110,    90,    80,    49

Ans:A ,A


. How to make a date field DOB store the dates like “2002/10/17” ?
Options: a. By setting the input mask property to “yyyy/mm/dd” b. By setting the format property to “yyyy/mm/dd” c. By entering dates in yyyy, mm, dd order d. none of the above

Ans:– b,– b


Instructions and memory address are represented by
Options: A) Character code B) Binary codes C) Binary word D) Parity bit

Ans:-B,-B


. What is entered by the function =today()
Options: a. The date value for the day according to system clock b. The time value according to system clock c. Today’s date as Text format d. All of above

Ans:– a,– a


A data dictionary is a special file that contains
Options: the names of all fields in all files,    the data types of all fields in all files,    the widths of all fields in all files,    All of the above

Ans:D ,D


An index register that is automatically incremented or decremented with each use is
Options: Auto index,    Asynchronous,    Assembler,    Compiler

Ans:A ,A


The key F12 opens a
Options: a. Save As dialog box b. Open dialog box c. Save dialog box d. Close dialog box

Ans:– A,– A


What is required to enable the PC to emulate a graphics terminal?
Options: Software,    A laser printer,    A color monitor,    A graphics board

Ans:A ,A


. What is an index?
Options: a. A wizard that creates a functional database structure based on the user’s selections b. A widely recognized naming convention for database objects c. A sort order for records, which is identified in the table design d. A set of relationship rules that enforce defined database relationships

Ans:4 – c ,4 – c


The name given to the test that determines whether a machine can think is the:
Options: Gaussian test,    McCarthy test,    Turing test,    Boolean test

Ans:C ,C


What will be the output of the program in Turbo C? #include<stdio.h> int main() { char near *near *ptr1; char near *far *ptr2; char near *huge *ptr3; printf("%d, %d, %d\n", sizeof(ptr1), sizeof(ptr2), sizeof(ptr3)); return 0; }
Options: 4, 4, 8,    4, 4, 4,    2, 4, 8,    2, 4, 4

Ans:D ,D


A digital device that processes data is known as
Options: Data processor,    Data entry,    DBMS,    Database

Ans:A ,A


. In Excel, the Fill Color button on the Formatting toolbar is used for what?
Options: a. To insert a background. b. To add borders. c. To select a distribution of figures. d. To add shading or color to a cell range.

Ans:– d,– d


Which command displays the configuration register setting?
Options: show ip route,    show boot version,    show version,    show flash

Ans:C ,C


Which multiplexing technique shifts each signal to a different carrier frequency?
Options: FDM,    synchronous TDM,    asynchronous TDM,    All of the above

Ans:A ,A


A floppy disk contains
Options: Circular tracks only,    Sectors only,    Both circular tracks and sector,    All of the above

Ans:C ,C


. Any files deleted in Windows goes into
Options: a. Trash can b. Recycle bin c. Deleted Files d. None of above

Ans:2 – b ,2 – b


Which of the following is not the responsibility of the utilities component of DBMS software?
Options: creating the physical and logical designs,    removing flagged records for deletion,    creating and maintaining the data dictionary,    monitoring performance

Ans:A ,A


A relation has which of the following properties?
Options: Each row is not unique.,    Attributes can have the same name within a given table.,    Each relation has a unique name.,    The order of the columns is significant.

Ans:C ,C


. DOS stand for
Options: a. Dummy operating system b. DOS operating system c. Dirty operating system d. Disk operating system

Ans:5 – d ,5 – d


Use of modern control technology in automation systems:
Options: reduces costs,    improves reliability,    increases yield,    All of the above

Ans:D ,D


What types of installations require a special boot disk?
Options: NFS,    FTP,    PCMCIA,    All of the above

Ans:D ,D


If the period of a sine wave is 0.001 second, the frequency of the sine wave is:
Options: 0.001 Hz,    1,000 Hz,    10,000 Hz,    10 Hz

Ans:B ,B


. 1 nibble equals to
Options: A) 1 bits B) 2 bits C) 4 bits D) 8 bits

Ans:8-C,8-C


The engineering change control system makes changes in the
Options: operations file,    production schedule,    work force data,    All of the above

Ans:A ,A


Which of the following communications modes support two-way traffic but in only one direction of a time?
Options: simplex,    half-duplex,    three-quarters duplex,    full-of the above

Ans:B ,B


Point out the error in the program. #include<stdio.h> const char *fun(); int main() { *fun() = 'A'; return 0; } const char *fun() { return "Hello"; }
Options: Error: RValue required,    Error: Lvalue required,    Error: fun() returns a pointer const character which cannot be modified,    No error

Ans:C ,C


0. Windows displays various options to shutdown. Which is suitable at the end ofday?
Options: a. Shut Down b. Restart c. Sleep d. Hibernate

Ans: - a, - a


Which of the following is true concerning QBE?
Options: An official standard has been defined for QBE.,    QBE cannot be used for client/server systems.,    QBE does not give the programmer a visual programming environment.,    Complete applications can be written using QBE.

Ans:D ,D


Which of the following is used for serial access storage only?
Options: RAM,    Magnetic tape,    Magnetic disk,    Core memory

Ans:B ,B


. How are data organized in a spreadsheet?
Options: a. Lines and spaces b. Layers and planes c. Rows and columns d. Height and width

Ans:– c,– c


. What is the use of “Hide Slide” option?
Options: a. to hide the selected slides during Presentation b. to hide the selected slides during Editing c. to hide the selected slides during Printing d. to hide the selected slides during Deleting

Ans:8 – A ,8 – A


Any piece of equipment forming an interface to a data communication system is
Options: DTE,    DTA,    CSA,    DCA

Ans:B ,B


When assessing the table structure of an acquired set of tables with data, counting the number of table rows is (part of) the:
Options: first step.,    second step.,    third step.,    fourth step.

Ans:A ,A


What can greatly reduce TCP/IP configuration problems?
Options: WINS Server,    WINS Proxy,    DHCP Server,    PDC

Ans:C ,C


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


In which mode can two or more applications be stored in memory at the same time?
Options: Segmented Mode,    Unprotected Mode,    Real Mode,    Protected Mode

Ans:D ,D


When determining the efficiency of algorithm the time factor is measured by
Options: A)Counting microseconds b.Counting the number of key operations c.Counting the number of statements d.Counting the kilobytes of algorithm

Ans:B,


. Merge cells option can be applied from
Options: a. Format Cells dialog box Alignment Tab b. Formatting toolbar c. Both of above d. None of above

Ans:– a,– a


Which of the following holds data and processing instructions temporarily until the CPU needs it?
Options: ROM,    control unit,    main memory,    coprocessor chips

Ans:C,C


Which one of the following phrasers best describes flux density?
Options: The concentration of lines of magnetic force,    The rate of change of the number of lines of magnetic force,    The opposition to a build-up of magnetic fields,    The force that maintains lines of force

Ans:A ,A


At room temperature an intrinsic silicon crystal acts approximately like
Options: a battery,    a conductor,    an insulator,    a piece of copper wire

Ans:C ,C


The output voltages of a PC power supply are in the form of _____ current.
Options: AC,    DC,    amperage,    resistive

Ans:B ,B


. A disadvantage to a ____file is that there is no easy way to tell which fields are numbers, text, dates, or currency.
Options: a. standardized b. fixed c. delimited d. text

Ans:8 – d ,8 – d


A mouse device may be:
Options: electro-chemical,    mechanical,    optical,    both b and c

Ans:D ,D


. Which of the following queries modifies fields not records?
Options: a. Append b. Delete c. Make-Table d. Update

Ans:4 – d ,4 – d


. Queries in access can be used as
Options: a. View, change and analyze data in different ways b. A source of records for forms and reports c. Only a d. Both a and b

Ans:4 – d ,4 – d

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