Control Unit of a digital computer is often called the


Options: Clock,    Nerve center,    ICs,    All of the above

Ans:B,B






More Computer Fundamental Related questions:


The maximum combined length of the command-line arguments including the spaces between adjacent arguments is
Options: 128 characters,    256 characters,    67 characters,    It may vary from one operating system to another

Ans:D ,D


Compilers and interpreters are themselves
Options: High-level language,    Codes,    Programs,    Mnemonics

Ans:C ,C


A Microsoft Windows is .....a(n)
Options: a. Operating system b. Graphic program c. Word Processing d. Database program

Ans:a,a


What is the term used to describe addresses available on a DHCP server?
Options: Pools,    Scopes,    Ranges,    Notes

Ans:B ,B


The daily processing of corrections to customer accounts best exemplifies the processing mode of:
Options: Batch processing,    Real-time processing,    Time-sharing,    Offline processing

Ans:A,A


. Which key deletes text before, or to the left, of the insertion point?
Options: a. PageUp b. Delete c. PageDown d. BackSpace

Ans:5 – d ,5 – d


Which computer has been designed to be as compact as possible?
Options: Mini,    Super computer,    Micro computer,    Mainframe

Ans:C,(Canswer


The two major categories of software are: application software and
Options: system software,    UNIX software,    high-level languages,    CAD software

Ans:A ,A


All the time a computer is switched on, its operating system software has to stay in
Options: main storage,    primary storage,    floppy disk,    disk drive

Ans:B ,B


How can you disable extended selection mode?
Options: a. Press F8 again to disable b. Press Del to disable c. Press Esc to disable d. Press Enter to disable

Ans:– C,– C


What is meant by the term RAM?
Options: Memory which can only be read,    Memory which can be both^read and written to,    Memory which is used for permanent storage,    Memory which can only be written to

Ans:B,B


Which approach to speech recognition avoids the problem caused by the differences in the way words are pronounced according to context?
Options: continuous speech recognition,    connected word recognition,    isolated word recognition,    speaker-dependent recognition

Ans:C ,C


Holes are the minority carriers in which type of semiconductor?
Options: Extrinsic,    Intrinsic,    n-type,    p-type

Ans:C ,C


CSMA (Carrier Sense Multiple Access) is
Options: a method of determining which device has access to the transmission medium at any time,    a method access control technique for multiple-access transmission media.,    a very common bit-oriented data link protocol issued by ISO.,    network access standard for connecting stations to a circuit-switched network

Ans:B ,B


. Which of the following is not a database application?
Options: a. dBase b. Flash c. FoxPro d. Access

Ans:– b,– b


. To copy the hidden system files of DOS to another disk you can use the command
Options: a. Copy b. Ren c. Sys d. Diskcopy

Ans:Correct Answer: c ,Correct Answer: c


. Referential integrity can be enforced if both _______________ belong to the same Microsoft Access database.
Options: a. queries b. fields c. records d. tables

Ans:2 – d ,2 – d


Which of the following is a block device
Options: mouse,    printer,    terminals,    disk

Ans:D ,D


. The Word Count command on the Tools menu displays the number of words as well as the number of _____ in the current document.
Options: a. lines b. characters c. paragraphs d. all of the above

Ans:– D,– D


Which layer 1 devices can be used to enlarge the area covered by a single LAN segment? Switch NIC Hub Repeater RJ45 transceiver
Options: 1 only,    1 and 3,    3 and 4,    5 only

Ans:C ,C


. What’s the best way to design the layout for your slides?
Options: a. Create layouts for slides, handouts and notes using the Master Layout dialog box in slide master view b. For each new slide, select a layout from the Slide Layout task pane c. Apply templates from the Slide Design task pane d. None of above

Ans:0 – B ,0 – B


The physical components of a computer system is
Options: Human ware,    Firm ware,    Hardware,    Software

Ans:C ,C


. What should be add before a fraction to avoid entering it as a date?
Options: a. // b. FR c. Zero d. Zero Space

Ans:– d,– d


Cost-Benefit analysis
Options: evaluates the tangible and non-tangible factors,    compares the cost, with the benefits, of introducing a computer-based system,    estimates the hardware and software costs,    All of the above

Ans:D ,D


. Which command will you use in PowerPoint if you need to change the color of different objects without changing content?
Options: a.  Design Template b.  Color Scheme c.  Font Color d.  Object Color

Ans:2 – B ,2 – B


The Management Information System (MIS) provides timely and effective information to support decision making and other necessary management functions. Can you point out the sub-system which does not being to the MIS?
Options: Operational Tectical System,    Decision Support System (DSS),    Data Communication System,    Automated Office System

Ans:C ,C


Expand EDVAC
Options:

Ans:Electronic Discrete Variable Automatic Computer,


In the Financial Decision-Making System which of the following is not a transaction processing system input:
Options: cash receipts,    cash returns,    cash issues,    warehouse requisition slip

Ans:D ,D


The control unit of a microprocessor
Options: stores data in the memory,    accepts input data from a keyboard,    Performs arithmetic / logic / functions,    none of the above

Ans:D,None of the above


The IP address are based on
Options: 16-bit addresses,    32-bit addresses,    64-bit addresses,    8-bit addresses

Ans:B ,B


How many buses are connected as part of the 8085 microprocessor?
Options: 2,    3,    5,    8

Ans:B ,B


Which of the following is correct in CIDR?
Options: Class A includes Class B network B. There are only two networks C. There are high & low class network D. There is no concept of class A, B, C networks

Ans:– D ,


Which is an example of a function?
Options: =add(A1:A2) B. =A1+A2 C. =SUM(A1:A2) D. A1+A2

Ans:– C ,


. Which of the following is required when more than one person uses a central computer at the same time?

Options: A) Terminal B) Light pen C) Digitizer D) Mouse

Ans:A,A


Normalization ________ data duplication.
Options: eliminates,    reduces,    increases,    maximizes

Ans:A ,A


The complexity of linear search algorithm is
Options: A)O(n) b.O(log n) c.O(n2) d.O(n log n)

Ans:A,


Which command is used to count just the number of characters in a file?
Options: wc - 1,    wc -c,    wc -w,    wc -r

Ans:B ,B


An operation that will increase the length of a list is
Options: Insert,    Look-up,    Modify,    All of the above

Ans:A ,A


If attribute A determines both attributes B and C, then it is also true that:
Options: A → B.,    B → A.,    C → A.,    (B,C) → A.

Ans:A ,A


. When you see a cell with a red triangle in the top right corner, what does this signify?
Options: a. There is an error in the cell b. There is a comment associated with the cell c. The font color for text in the cell is red d. A formula cannot be entered into the cell

Ans:– b,– b


Which of the following function returns t If the object is a symbol m LISP?
Options: (* <object>),    (symbolp <object>),    (nonnumeric <object>),    (constantp <object>)

Ans:B ,B


43. When assigning a shortcut key to a symbol, you should always try to select a key or key combination that is:
Options: a. unassigned b. located on the ten-key pad section of your keyboard. c. assigned to another task. d. from the same font family as the symbol.

Ans:– A ,– A


Which bar is usually located below that Title Bar that provides categorized options?
Options: Menu bar B. Status Bar C. Tool bar D. Scroll bar

Ans:– A ,


A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?
Options: 1000 V and a series resistance of 10 k Ohm,    100 V and a parallel resistance of 10 k Ohm,    100 V and a series resistance of 10 k Ohm,    1000 V and a parallel resistance of 10 kOhm

Ans:C ,C


The entity integrity rule states that:
Options: no primary key attribute may be null.,    no primary key can be composite.,    no primary key may be unique.,    no primary key may be equal to a value in a foreign key.

Ans:A ,A


Which of the following correctly shows the hierarchy of arithmetic operations in C?
Options: / + * -,    * - / +,    + - / *,    / * + -

Ans:D ,D


To define what columns should be displayed in an SQL SELECT statement:
Options: use FROM to name the source table(s) and list the columns to be shown after SELECT.,    use USING to name the source table(s) and list the columns to be shown after SELECT.,    use SELECT to name the source table(s) and list the columns to be shown after USING.,    use USING to name the source table(s) and list the columns to be shown after WHERE.

Ans:A ,A


Which of the following operations are INCORRECT?
Options: int i = 35; i = i%5;,    short int j = 255; j = j;,    long int k = 365L; k = k;,    float a = 3.14; a = a%3;

Ans:D ,D


Which of the following are the five built-in functions provided by SQL?
Options: COUNT, SUM, AVG, MAX, MIN,    SUM, AVG, MIN, MAX, MULT,    SUM, AVG, MULT, DIV, MIN,    SUM, AVG, MIN, MAX, NAME

Ans:A ,A


. Which is the limitation of high level language?
Options: A) Lower efficiency B) Machine dependence C) machine level coding D) None of above

Ans:A,A

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