The output of a 2 input OR gate is 0 only when its


Options: both inputs are 0,    either input is 1,    both inputs are 1,    either input is 0

Ans:A,A






More Computer Fundamental Related questions:


What kind of device is a diode?
Options: Bilateral,    Linear,    Nonlinear,    Unipolar

Ans:C ,C


. Which of the following relationship is not valid in MS Access ?
Options: a. Many to Many b. Many to Null c. One to One d. One to Many

Ans:– b,– b


In MS-DOS, relocatable object files and load modules have extensions
Options: .OBJ and .COM or .EXE, respectively,    .COM and .OBJ, respectively,    .EXE and .OBJ, respectively,    .DAS and .EXE, respectively

Ans:A ,A


In OLE DB, a service provider:
Options: does not own data only.,    transforms data through OLE DB interfaces only.,    is both a consumer and a provider of data only.,    All of the above are true of an OLE DB service provider.

Ans:D ,D


. 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


. Rounding errors can occur
Options: a. When you use multiplication, division or exponentiation in a formula b. When you use addition and subtraction in a formula c. Because Excel uses hidden decimal places in computation d. When you show the results of formulas with different decimal places than the calculated results

Ans:– a,– a


Which command is used to assign only read permission to all three categories of the file 'note'?
Options: chmod go+r note,    chmod a-rw,    chmod ugo=r note,    chmod u+r,g+r,o-x note

Ans:C ,C


What is the first stage in software development?
Options: Specification and design B. Testing C. System Analysis D. Maintenance

Ans:– C ,


The ALU of a computer responds to the commands coming from
Options: primary memory,    control section,    external memory,    cache memory

Ans:B ,B


what is full form of ENIAC
Options:

Ans:Electronic Numerical Integrator and Computer,


. Which of the following is not a primary storage device?

Options: A) Magnetic tape B) Magnetic disk C) Optical disk D) All of above

Ans:D,D


Which of the following statements is not true about the FORTRAN language?
Options: FORTRAN is a high level language,    A FORTRAN program, written for the IBM-PC, is totally different from a FORTRAN program written for execution on the SUN machine,    FORTRAN is extensively used to write programs for performing scientific computations,    All of the above

Ans:B ,B


Which layer of OSI determines the interface of the system with the user?
Options: Network,    Application,    Data-link,    Session

Ans:B ,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 is a semi conductor memory?
Options: A) Dynamic B) Static C) Bubble D) Both a & b

Ans:D,D


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

Ans:B ,B


A disk with usable recording surfaces on each side is known as
Options: Hard disk,    Single-sided disk,    Double-sided disk,    High capacity

Ans:C ,C


With an IP address set starting with 150, you currently have six offices that you are treating as subnets. Plans are in place to open 10 more offices before the end of the year. What subnet mask should you use to satisfy the needed number of subnets and maximize the number of hosts available at each site?
Options: 192,    224,    240,    248

Ans:D ,D


A protocol is a set of rules governing a time sequence of events that must take place
Options: between peers,    between modems,    between an interface,    across an interface

Ans:A ,A


World Wide Web is being standard by
Options: a. Worldwide corporation b. W3C c. World Wide Consortium d.World Wide Web Standard

Ans:b,b


A PC with a 486DX2 processor runs internally at SOMhz. What speed would its external logic be running?
Options: l0Mhz,    25Mhz,    50Mhz,    100 Mhz

Ans:B ,B


. The system unit of a personal computer typically contains all of the following except:

Options: A) Microprocessor B) Disk controller C) Serial interface D) Modem

Ans:D,D


Match the device driver HIMEM.SYS to its operation
Options: Supports (ANSI) terminal emulation,    Manages the use of extended memory,    Uses expanded memory on an 80386 processor,    Supports code page switching

Ans:B ,B


Which of the following is not true of a magnetic disk?
Options: It is expensive relative to magnetic tape,    It provides only sequential access to stored data,    Users can easily update records by writing over the old data,    It does not provide an automatic audit trail

Ans:B ,B


Whenever you have a hardware resource conflict, it will more likely be an IRQ conflict rather than an i/o conflict because:
Options: there are a lot more I/O addresses than IRQs.,    the BIOS sometimes has more of a problem controlling IRQs,    I/O addresses cannot conflict,    software tends to correct I/O conflicts

Ans:A ,A


Which of the following statement is correct prototype of the malloc() function in c ?
Options: int* malloc(int);,    char* malloc(char);,    unsigned int* malloc(unsigned int);,    void* malloc(size_t);

Ans:D ,D


Which language does MS-Word use to create Macros?
Options: Visual C++ B. Visual Basic C. FoxPro D. Access

Ans:– B ,


When installing PCI NICS you can check the IRQ availability by looking at
Options: dip switches,    CONFIG.SYS,    jumper settings,    motherboard BIOS

Ans:D ,D


Which of the following methods cannot be used to enter data in a cell
Options: a. Pressing an arrow key b. Pressing the Tab key c. Pressing the Esc key d. Clicking on the formula bar

Ans:C, Pressing the Esc key


Who proposed the relational model?
Options: Bill Gates B. E.F. Codd C. Herman Hollerith D. Charles Babbage

Ans:– B ,


The valence electron of a copper atom experiences what kind of attraction toward the nucleus?
Options: Strong,    Neutral,    Weak,    Impossible to say

Ans:C ,C


Resolution of externally defined symbols is performed by
Options: Linker,    Loader,    Compiler,    Assembler

Ans:A ,A


The robot:
Options: is very primitive at the present,    represents the most powerful new industrial automation tool currently on the horizon,    will be more useful when robot vision is improved significantly,    All of the above

Ans:D ,D


. What is the shortcut key for repeat the recent find?
Options: a. CTRL + F4 b. SHIFT + F4 c. CTRL + F5 d. SHIFT + F5

Ans:9 – B ,9 – B


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


Poor response times are caused by
Options: Processor busy,    High I/O rate,    High paging rates,    Any of the above

Ans:D ,D


Which is a non-standard version of a computing language?
Options: PROLOG,    APL,    Army,    PL/1

Ans:C,(Canswer


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


. In Windows,start button is used to
Options: a. Run applications b. Device setting c. Turn off the system d. All of above

Ans: d, d


. The metal disks, which are permanently housed in, sealed and contamination free containers are called
Options: A) Hard disks B) Floppy disk C) Winchester disk D) Flexible disk

Ans:C,C


The higher versions of the operating systems are so written that programs designed for earlier versions can still be run. What is it called?
Options: Upgradability,    Upward mobility,    Universality,    Upward compatibility

Ans:D ,D


In a PC to telephone hookup for long distance communication, modem is connected between the telephone line and
Options: PC,    synchronous port,    crossover cable,    asynchronous port

Ans:D ,D


. You can detect spelling and grammar errors by
Options: a. Press Shift + F7 b. Press Ctrl + F7 c. Press Alt+ F7 d. Press F7

Ans:– D,– D


No computer can do anything without a
Options: program,    memory,    chip,    output device

Ans:A ,A


What is a portion of a document in which you set certain page formatting options?
Options: a. Page b. Document c. Section d. Page Setup

Ans:– C,– C


What will be the output of the program #include<stdio.h> void fun(int); int main(int argc) { printf("%d ", argc); fun(argc); return 0; } void fun(int i) { if(i!=4) main(++i); }
Options: 1 2 3,    1 2 3 4,    2 3 4,    1

Ans:B ,B


. The computer code for the interchange of information between terminals is
Options: A) ASCII B) BCD C) EBCDIC D) All of above

Ans:A,A


What is a brand?
Options: A) The name of companies that made computers B) The name of product a company gives to identify its product in market C) A name of class to indicate all similar products from different companies D) All of above

Ans:-B,-B


Computers built before the First Generation of computers were:
Options: Mechanical B. Electro-mechanical    C. Electrical D. None of these

Ans:– B ,


. You can open the Highlight Changes dialog box by choosing Track Changes from the …. Menu.
Options: a. Edit b. Insert c. Format d. Tools

Ans:– d,– d

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