Which of the following in true regarding Null Value?


Options: Null = 0 B. Null < 0 C. Null > 0 D. Null <> 0

Ans:– D ,






More Database Systems Related questions:


Which of the following is the valid host range for the subnet on which the IP address 192.168.168.188 255.255.255.192 resides?
Options: 192.168.168.129-190,    192.168.168.129-191,    192.168.168.128-190,    192.168.168.128-192

Ans:A ,A


. Most of the inexpensive personal computers do not have any disk or diskette drive. What is the name of such computes?

Options: A) Home computers B) Diskless computers C) Dedicated computers D) General purpose computers

Ans:B,B


A common way to take x, y coordinates off a drawing is to use a
Options: light pen,    digitiser,    Direct view storage tube (DVST),    Tablet

Ans:B ,B


. In a datasheet, what does each column represent?
Options: a. Record b. Field c. Database d. Table

Ans:– b,– b


. What is the keyboard shortcut (button or buttons to be pressed) for creating a chart from the selected cells?
Options: a. F3 b. F5 c. F7 d. F11

Ans:– d,– d


. Except for the …… function, a formula with a logical function shows the word “TRUE” or “FALSE” as a result
Options: a. IF b. AND c. OR d. NOT

Ans:– a,– a


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

Ans:A ,A


Which field type will you select when creating a new table if you require to enter long text in that field?
Options: a. Text b. Memo c. Currency d. Hyperlink

Ans:ndash; b,ndash; b


Which SQL-92 standard SQL command can be used to change a table name?
Options: RENAME TABLE,    CHANGE TABLE,    ALTER TABLE,    None of the above is correct.

Ans:D ,D


MS-Word automatically moves the text to the next line when it reaches the right edge of the screen and is called?
Options: Carriage Return B. Enter C. Word Wrap D. None of the above

Ans:– C ,


Which command will be used to display a column file compression ratio for each file of Double spaced disk?
Options: DIR/W,    DIR/S,    DIR/B,    DIR /C (/C switch introduced in DOS version 6.00)

Ans:D ,D


29. What is a Document Outline View?
Options: a. 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 ,–  D


A program in execution is called
Options:  A Paging B.  A Process C.  A virtual memory D.  A Demand Page

Ans: – B ,


How do you tell one cell from another?
Options: By numbers B. By letters C. By its address D. by color

Ans:– C ,


A communications device that combines transmissions from several 1/ O devices into one line is a:
Options: concentrator,    modifier,    multiplexer,    full-duplex line

Ans:C ,C


The equation for the output frequency of a 555 timer operating in the astable mode is: . What value of C1 will be required if R1 = 1 k, R2 = 1 k, and f = 1 kHz?
Options: 0.33 F,    0.48 F,    480 F,    33 nF

Ans:B ,B


67. Which of the following is not a type of page margin?
Options: a. Left b. Right c. Center d. Top

Ans:– C ,– C


A byte consists of
Options: A) One bit B) Four bits C) Eight bits D) Sixteen bits

Ans:-C,-C


. When a row of data is to be converted into columns
Options: a.  Copy the cells in row, select the same number of cells in row and paste b.  Copy the cells in column then choose Edit >> Paste Special, then click Transpose and OK c.  Copy the cells then go to Format >> Cells then on Alignment tab click Transpose check box and click OK d.  Select the cells then place the cell pointer on new cell and choose Edit >> Paste Special, mark Transpose check box and click OK.

Ans:– d,– d


First CAD system called AutoCAD for the PCs was announced in the year 1982. Can you tell who announced it?
Options: Intel Corpn.,    Rolta India Ltd.,    Autodesk Inc,    AT & T Corp.

Ans:C ,C


The "end-effector" of a robot:
Options: can be an actual tool,    is the robot "hand",    may have a gripping action,    All of the above

Ans:D ,D


Which of the following capabilities is required for a system program to execute more than one program at a time?
Options: word processing,    compiling,    virtual memory,    multitasking

Ans:D ,D


. The command used to display all files (.exe) from the system
Options: a. Dir *.exe b. Dir *.exe/s c. Dir *.exe/all d. None of above

Ans:2 – b ,2 – b


The smallest logical data entity is called a data item or data
Options: Base,    Field,    Bank,    Collection

Ans:B ,B


In which tcp_wrappers file can you specify to allow all connections from all hosts?
Options: /etc/hosts.allow,    /etc/hosts.deny,    /etc/hosts,    /etc/tcp.conf

Ans:A ,A


Locks placed by command are called ________ .
Options: implicit locks,    explicit locks,    exclusive locks,    shared locks

Ans:B ,B


From which menu you can insert Header and Footer?
Options:  A) Insert Menu, B) View Menu, C) Format menu, D) Tools Menu,

Ans:-B,-B


Which of the following is considered to be the address before translation?
Options: Inside local,    Outside local,    Inside global,    Outside global

Ans:A ,A


Which of the following is not an advantage of the data-base approach?
Options: elimination of the data redundancy,    ability to associate related data,    increased security,    program/data independence

Ans:E ,E


What are two purposes for segmentation with a bridge? To add more broadcast domains. To create more collision domains. To add more bandwidth for users. To allow more broadcasts for users.
Options: 1 only,    2 and 3,    2 and 4,    4 only

Ans:B ,B


The minimum time delay required between the initiation of two successive memory operations is known as
Options: memory cycle time,    memory access time,    transmission time,    waiting time

Ans:A ,A


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

Ans:A ,A


The device that can both feed data into and accept data from a computer is
Options: ALU,    CPU,    Input-Output device,    All of the above

Ans:C,(Canswer


What command is used to change the working directory?
Options: cdir,    chdir,    changedir,    cd

Ans:D ,D


Want a PowerPoint photo album slide show to play continuously?
Options: a. Use random slide transitions b. Launch an online broadcast c. Loop continuously d. All of the above

Ans: – A , – A


Status indicators are located on the
Options: a. Vertical scroll bar b. Horizontal scroll bar c. Formula bar d. Standard toolbar

Ans:#8211; c,#8211; c


. You can set Page Border in Excel from
Options: a. From Border tab in Format Cells dialog box b. From Border tool in Formatting toolbar c. From Line Style tool in Drawing toolbar d. You can not set page border in Excel

Ans:– d,– d


. When was Apple Macintosh II microcomputer introduced in the market?
Options: A) 1964 B) 1970 C) 1983 D) 1986

Ans:C,C


If safety stock is 6 and the EOQ is 50, average inventory level is
Options: 80,    86,    85,    90

Ans:E ,E


. The first electronic general purpose digital computer built by Eckert and Mauchly called ENIAC did not work on the stored program concept. How many numbers could it store in its internal memory?
Options: A) 100 B) 20 C) 40 D) 80

Ans:B,B


Positive testing is
Options: running the system with line data by the actual user,    making sure that the new programs do in fact process certain transactions according to Specifications,    is checking the logic of one or more programs in the candidate system,    testing changes made in an existing or a new program

Ans:B ,B


. When you add fields in ____, a Field List pane displays.
Options: a. Design View b. Layout View c. Print Preview d. Report View

Ans:0 – b ,0 – b


Which 32-bit microprocessor is used in IBM's PS/2 model-80 computer?
Options: 8088,    80286,    80386,    80486

Ans:C ,C


Which command below will instruct DOS to do a "quick format".
Options: FORMAT A: /QUICK,    FORMAT A: /Q,    FORMAT A: /QU,    FORMAT A: /QF

Ans:B ,B


0. What is the use of “All Caps” feature in MS-Word?
Options: It changes all selected text into Capital Letter B. It adds captions for selected Image C. It shows all the image captions D. None of the above

Ans: – A ,


The reliability life cycle of a product:
Options: has three distinct rates of failure,    cannot be predicted,    All of the above,    stays constant with environmental conditions

Ans:A ,A


. IBM 7000 digital computer
Options: A) Belongs to second generation B) Uses VLSI C) Employs semiconductor memory D) Has modular constructions

Ans:6-D,6-D


Portrait and Landscape are
Options: a. Page Orientation b. Paper Size c. Page Layout d. All of above

Ans:– A,– A


What is the maximum distance running the lowest data rate for 802.11g?
Options: About 100 feet,    About 175 feet,    About 300 feet,    About 350 feet

Ans:C ,C


Different components on the motherboard of a PC processor unit are linked together by sets of parallel electrical conducting lines. What are these lines called?
Options: Conductors,    Buses,    Connectors,    Connectively

Ans:B,B

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