Main storage is also called


Options: A. Accumulator B. Control Unit C. Register Unit D. Memory

Ans:D,


Description: mcqquestions






More Computer Fundamental Related questions:


You get a CMOS checksum error during bootup. What is most likely the cause?
Options: power supply is bad,    BIOS needs updating,    CMOS battery is nearing end of life,    hard drive types are incorrectly defined

Ans:C ,C


What will be the output of the program (sample.c) given below if it is executed from the command line? cmd> sample 1 2 3 cmd> sample 2 2 3 cmd> sample 3 2 3 /* sample.c */ #include<stdio.h> int main(int argc, char *argv[]) { printf("%s\n", argv[0]); return 0; }
Options: sample 3 2 3,    sample 1 2 3,    sample,    Error

Ans:C ,C


. Which command displays only directory?
Options: a. Dir/aa b. Dir/od c. Dir/directory d. Dir/ad

Ans:9 – d ,9 – d


In a network with dozens of switches, how many root bridges would you have?
Options: 1,    2,    5,    12

Ans:A ,A


Set of premitted values of each attribute is called
Options: Domain B. Tuple C. Relation D. Schema

Ans:– A ,


Communication network 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 with 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:D ,D


Which of the following is major activities of an operating system in regard to secondary-storage management?
Options: Free-space management B. Storage allocation C. Disk scheduling D. All of the above

Ans:– D ,


The function of CPU is
Options: to provide a hard copy,    to read, interpret and process the information and instruction,    to communicate with the operator,    to provide external storage of text

Ans:B ,B


The initial value of the semaphore that allows only one of the many processes to enter their critical sections, is
Options: 8,    1,    16,    0

Ans:B ,B


Which of the following statements are true regarding the command ip route 172.16.4.0 255.255.255.0 192.168.4.2? The command is used to establish a static route. The default administrative distance is used. The command is used to configure the default route. The subnet mask for the source address is 255.255.255.0.
Options: 1 and 2,    2 and 4,    3 and 4,    All of the above

Ans:A ,A


Difference between T568A and T568B is
Options: Difference in wire color B. Difference in number of wires C. Just different length of wires D. Just different manufacturer standards

Ans:– D ,


Where does a computer add and compare data?
Options: Hard disk,    Floppy disk,    CPU chip,    Memory chip

Ans:C ,C


. What is the shortcut key to insert current date in a cell?
Options: a. CTRL + D b. CTRL + T c. CTRL + ; d. CTRL + /

Ans:– c,– c


In what module, multiple instances of execution will yield the same result even if one instancy has not terminated before the next one has begun?
Options: non-reusable module,    serially reusable,    reenterable module,    recursive module

Ans:C ,C


Checking the quality of software in both simulated and line environments, is known as
Options: checking,    usability,    validity,    validation

Ans:D ,D


The value of a capacitor can be made larger by:
Options: increasing the area of the plates,    decreasing the area of the plates,    increasing the frequency of the applied voltage,    increasing the voltage applied to the plates

Ans:A ,A


Which of the following statement is true concerning objects and/or classes?
Options: An object is an instance of a class.,    A class is an instance of an object.,    An object includes encapsulates only data.,    A class includes encapsulates only data.

Ans:A ,A


Which encapsulations can be configured on a serial interface? Ethernet Token Ring HDLC Frame Relay PPP
Options: 1 and 4,    2 only,    3, 4 and 5,    All of the above

Ans:C ,C


To remove duplicate rows from the results of an SQL SELECT statement, the ________ qualifier specified must be included.
Options: ONLY,    UNIQUE,    DISTINCT,    SINGLE

Ans:C ,C


In order to use a record management system 
Options: a . you need to understand the low level details of how information is stored b . you need to understand the model the record management system uses c . bother a and b d . none of the above

Ans:.b,.b


When using ODBC, which of the following processes ODBC requests and submits specific SQL statements to a given type of data source?
Options: Data source,    Driver,    Driver manager,    DBMS

Ans:B ,B


In Decision trees
Options: nodes represent the conditions, with the right side of tree listing the actions to be taken,    the root is drawn on the left and is the starting point on the decision sequence.,    the branch depends on the condition and decisions to made,    All of the above

Ans:D ,D


Which of the following commands is used to remove files?
Options: erase,    delete,    rm,    dm

Ans:C ,C


The dielectric constant of a material is a measure of:
Options: the amount of voltage it can withstand before breaking down,    how well the material concentrates electrostatic lines of force,    the amount of opposition to the current flow,    how well the material concentrates magnetic lines of force

Ans:B ,B


Bus is
Options: one or more conductors that some 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:A ,A


A memory in which the information is stored last is on top & is retrieved first is known as
Options: PROM,    Buffer,    Stack,    RAM

Ans:C ,C


A customer calls and says her computer won't boot, she can hear noises and can see lights on the box, but nothing comes up on the screen, what should you take to the site to fix the problem?
Options: hard drive,    video card,    power cable,    power supply

Ans:B ,B


What is the difference between a conductor and an insulator?
Options: A conductor allows current to flow much easier than an insulator does,    An insulator has an excessive number of free electrons, while a conductor has a few free electrons or none at all,    An insulator allows current to flow much easier than a conductor does,    The difference between conductors and insulators depends on how they are used

Ans:A ,A


What is meant by a dedicated computer?
Options: Which is used by one person only,    Which is assigned one and only one task,    Which uses on kind of software,    Which is meant for application software only

Ans:B ,B


A design that consists of a hierarchy of modules; each module has a single entry and a single exit subroutine, is known as
Options: hierarchy structure,    top-down design,    Tuple,    Turnaround

Ans:B ,B


. A number system that has eight different symbols to represent any quantity is known as

Options: A) Binary B) Octal C) Decimal D) Hexadecimal

Ans:B,B


Which of the following is tactical decision?
Options: capital-source decision,    product decision,    plant-location decision,    budget allocation

Ans:D ,D


A memory that contains a fine pattern of data permanently defined is
Options: RAM,    EPROM,    ROM,    PROM

Ans:C ,C


. The __________ determines how long you must hold down an alphanumeric key before the keyboard will repeat the character.
Options: a. strike rate b. repeat rate c. default rate d. threshold rate

Ans:0 – b ,0 – b


. Referential integrity cannot be set for _______________ relationships.
Options: a. One-To-One b. Indeterminate c. One-To-Many d. Many-To-Many

Ans:9 – b ,9 – b


A hand-held device for optically reading bar codes on goods, labels & shelves is
Options: Wand,    Touch tablet,    Mouse,    Light pen

Ans:A ,A


COM1 is typically represented by which of the following?
Options: 15 pin port,    9 pin male port,    9 pin female port,    25 pin male port

Ans:B ,B


A specific part of an arithmetic & logic unit that is used to perform the operation of multiplication is
Options: Multiplier,    Multiplener,    Multivibrator,    Quantization

Ans:A ,A


A _____ boot is when DOS is restarted without turning off the computer.
Options: warm,    reboot,    shutdown,    system up

Ans:A ,A


Computing systems designed to supply supervisory information include.
Options: invoicing systems,    payroll systems,    process control systems;,    All of the above

Ans:C ,C


The synchronous modems are more costly than the asynchronous modems because
Options: they produce large volume of data,    they contain clock recovery circuits,    they transmit the data with stop and start bits.,    they operate with a larger bandwidth

Ans:B ,B


The terms "red book", "yellow book", and "orange book" refer to:
Options: SCSI,    ide,    floppy drive technology,    CD-ROM standards

Ans:D ,D


. The word length of a computer is measured in
Options: A) Bytes B) Millimeters C) Meters D) Bits

Ans:D,D


How would you allow device drivers and TSR's to be loaded into Upper Memory Blocks ?
Options: DOS=High,    devicehigh=,    loadhigh=,    DOS=UMB

Ans:D ,D


The first industrial robot for commercial uses was installed in a Japanese plant at Toyota Automatic Loom Company, the parent company of the Toyota Automobile Group. When did this robot go into operation?
Options: June 1965,    November 1966,    December 1967,    April 1970

Ans:C ,C


Seymour Papert of the MIT AI lab created a programming environment for children called:
Options: BASIC,    LOGO,    MYCIN,    FORTRAN

Ans:B ,B


. The ribbon in Word 2007 consists of a series of
Options: a. Gates b. Smaller ribbons c. Tabs d. Icons

Ans: – C , – C


. To display a shortcut menu for an object you use
Options: a. Click the object b. Right click the object c. Point the object and press Ctrl+P d. Touch the object on the screen with your finger

Ans:8 – b ,8 – b


The difference between a multiplexer and a statistical multiplexer is
Options: Statistical multiplexers need buffers while multiplexers do not need buffers,    Multiplexer use X.25 protocol, while statistical multiplexers use the Aloha protocol,    Multiplexers often waste the output link capacity while statistical multiplexers optimize its use,    Multiplexers use Time Division Multiplexing (TDM) while statistical multiplexers use Frequency Division Multiplexing (FDM)

Ans:A ,A


In a file contains the line "I am a boy\r\n" then on reading this line into the array str using fgets(). What will str contain?
Options: "I am a boy\r\n\0",    "I am a boy\r\0",    "I am a boy\n\0",    "I am a boy"

Ans:C ,C

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