Which is a unit representing the no bits of discrete.


Options: Baud,    Byte,    Bit,    All of the above

Ans:A,(Aanswer


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More Computer Fundamental Related questions:


A smart solid-state sensor is:
Options: one that integrates both logic and a solid-state sensor into one unit.,    one that has two or three substrates,    not available today,    All of the above

Ans:A ,A


. when you work with large worksheets, you may need to
Options: a. size the worksheet to fit on the specific number of pages b. add and remove page breaks c. specify only certain print areas d. all of above

Ans:– d,– d


Which of the following is reliable communication?
Options: TCP B. IP C. UPD D. All of them

Ans:– A ,


Difference between Decision - Tables and Decision Trees is (are):
Options: value to end user,    form of representation,    one shows the logic while other shows the process,    All of the above

Ans:B ,B


In C, if you pass an array as an argument to a function, what actually gets passed?
Options: Value of elements in array,    First element of the array,    Base address of the array,    Address of the last element of array

Ans:C ,C


. A digital computer did not score over an analog computer in terms of
Options: A) Speed B) Accuracy C) Reliability D) Cost

Ans:B,B


A primary key in any table has the properties
Options: a. Not Null b. No Duplicates c. Both of above d. None of above

Ans:ndash; c,ndash; c


. The primary purpose of an operating system is:
Options: To make the most efficient use of the computer hardware B. To allow people to use the computer, C. To keep systems programmers employed D. To make computers easier to use

Ans: – A ,


The IC was invented at Texas instruments in year 1958 by
Options: Jaik Kilby,    Clive Sinclair,    John Napier,    Steve Wozniak

Ans:A ,A


. In the Relationship window, related fields from each table are connected by a(n) _______________.
Options: a. default field b. linking tables c. index d. join line

Ans:3 – d ,3 – d


When was punched-card equipment used for the first time to process the British census?
Options: 1910,    1907,    1911,    1914

Ans:C ,C


The symbols used in an assembly language are
Options: Codes,    Mnemonics,    Assembler,    All of the above

Ans:B ,B


A character that is raised and smaller above the baseline is known as
Options:  A) Outlined, B) Raised, C) Superscript, D) Subscript,

Ans:-C,-C


One of the major benefits of using CAD in tool design is that:
Options: product design represents approximately one-half the engineering costs,    tool motions can be checked to see if there is interference between the tool and the object,    there is better coordination in the materials-handling area,    it simplifies the trial-and-error method

Ans:B ,B


The basic unit within a computer store capable of holding a single unit of data is
Options: Register,    ALU,    Control unit,    Store location

Ans:D ,D


. Floppy disks which are made from flexible plastic material are also called?
Options: A) Hard disks B) High-density disks C) Diskettes D) Templates

Ans:C,C


A central computer surrounded by one or more satellite computers is called a
Options: bus network,    ring network,    star network,    All of the above

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


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

Ans:D,D


A set of programs that handle a firms database responsibilities is called
Options: a. database management system (DBMS) b. database processing system (DBPS) c. data management system (DMS) d. all of above

Ans:.d,.d


The control of the jobs running within a system is
Options: Job monitoring,    Job stream,    Job min,    Job step

Ans:A ,A


Sequential organization
Options: means storing records in contiguous blocks according to a key.,    Stores records sequentially but uses an index to locate records,    uses an index for each key type,    has records placed randomly throughout the file

Ans:A ,A


The computer can potentially be used to monitor most of our actions, thus robbing us of _____
Options: tapping,    privacy,    back log,    security

Ans:B ,B


Topically, how many type III PC cards can you insert in a laptop
Options: 1,    2,    3,    4

Ans:A ,A


What does protocol defines?
Options: Protocol defines what data is communicated. B. Protocol defines how data is communicated. C. Protocol defines when data is communicated. D. All of above

Ans:– D ,


A computer program that converts an entire program into machine language at one time is called a/an
Options: interpreter,    simulator,    compiler,    commander

Ans:C ,C


. A real time operating system is most likely to be used for which of the following task?
Options: a. Controlling access to a shared printer in a network b. Ensuring that system clock works correctly on server c. Managing the access to system files in a laptop computers d. Controlling the fuel injection system of an automobile engines

Ans:1 – d ,1 – d


Which command displays current directory name or change from one to another?
Options: a. Chdir b. Cd c. Mkdir d. Both a and b

Ans:d. Both a and b,d. Both a and b


The size of a field with Number data type can not be
Options: a. 2 b. 4 c. 8 d. 16

Ans:ndash; d,ndash; d


The proper definition of a modern digital computer is
Options: an electronic automated machine that can solve problems involving words and numbers,    a more sophisticated and modified electronic pocket calculator,    any machine that can perform mathematical operations ',    a machine that works on binary code

Ans:A ,A


The basic components of a modern digital computer are :
Options: Input device,    Output device,    Central processor,    All of the above

Ans:D ,D


If you want to disable STP on a port connected to a server, which command would you use?
Options: disable spanning-tree,    spanning-tree off,    spanning-tree security,    spanning-tree portfast

Ans:D ,D


. Where can you define the permanent path for DOS?
Options: a. Io.sys b. Config.sys c. Autoexec.sys d. Command . com

Ans:6 – c ,6 – c


. Which of the following is a condensed form of standard generalized markup language?
Options: a. HTML b. XML c. XSD d. XSL

Ans:– b,– b


Which one of the following statements most accurately describes the nature of inductive reactance?
Options: Inductive reactance is an opposition to current flow in dc circuits,    Inductive reactance is an opposition to current flow in ac circuits,    Inductive reactance is another term for counter emf,    Inductive reactance is a force that tends to overcome the effects of counter emf

Ans:B ,B


Where have the program and data to be located before the ALU and control unit of a computer can operate on it?
Options: Internal memory,    Secondary memory,    Microprocessor,    Magnetic tapes

Ans:A ,A


A rule of thumb for choosing indexes for a relational database includes which of the following?
Options: Indexes are more useful on smaller tables.,    Indexes are more useful for columns that do not appear frequently in the WHERE clause in queries.,    Do not specify a unique index for the primary key of each table.,    Be careful indexing attributes that have null values.

Ans:D ,D


. Which is not a valid property for attribute setting?
Options: a. C,b. S,c. H,d. R

Ans:3 – a ,3 – a


The generic two-level data warehouse architecture includes which of the following?
Options: At least one data mart,    Data that can extracted from numerous internal and external sources,    Near real-time updates,    All of the above.

Ans:B ,B


A variable that has no physical meaning and is used to obtain an initial basic feasible solution to a linear programming problem is known as:
Options: basis,    algorithm,    artificial variable,    basic variable

Ans:D ,D


Which of the following keys is used to replace a single character with new text?
Options: S,    s,    r,    C

Ans:B ,B


You are working with a network that has the network ID 172.16.0.0, and you require 25 subnets for your company and an additional 30 for the company that will merge with you within a month. Each network will contain approximately 600 nodes. What subnet mask should you assign?
Options: 255.255.192.0,    255.255.224.0,    255.255.240.0,    255,255.248.0

Ans:E ,E


. When integrating Ms-Word and Excel, Word is usually the
Options: a. Server b. Source c. Client d. None

Ans:– c,– c


hat is a Document Outline View?
Options: A preview in a full screen B. A preview with margins C. A View with a margins and gutter D. A view with a structure of heading at various levels

Ans:– D ,


. User action such as keystroke or mouse click are referred to as
Options: a. Interrupt b. Tasks c. Processes d. Event

Ans:3 – d ,3 – d


The most important part of a multiple DHCP configurations is to make sure you don't have which of the following in the different scopes? Select the best answer.
Options: Duplicate addresses,    Duplicate pools,    Duplicate subnets,    Duplicate default gateways

Ans:A ,A


Which command(s) is(are) used to redefine a column of the table in SQL ?
Options: ALTER TABLE,    DEFINE TABLE,    MODIFY TABLE,    All of the above

Ans:A ,A


Determine the resistance value and tolerance of a resistor that has the following color bands; first band is red, second band is red, third band is orange, and the fourth band is gold
Options: 220 Ohm, 5%,    220 Ohm, 10%,    22,000 Ohm, 5%,    22, 000 Ohm, 10%

Ans:C ,C


12. Which among the following are the best tools for fixing errors on disks?
Options: a. Fdisk b. Scandisk c. Chkdsk d. Fixdsk

Ans:Correct Answer: b ,Correct Answer: b


A distributed database is which of the following?
Options: A single logical database that is spread to multiple locations and is interconnected by a network,    A loose collection of file that is spread to multiple locations and is interconnected by a network,    A single logical database that is limited to one location.,    A loose collection of file that is limited to one location.

Ans:A ,A

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