The Primary key must be

Options: Non Null B. Unique C. Option A or B D. Option A and B

Ans:– D ,

Description: mcqquestions

More Database Systems Related questions:

Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals.
Options: CAM,    ROM,    EAROM,    ANACUS

Ans:C ,C

. Which function calculates your monthly mortage payment?
Options: a. PMT (payments) b. NPER (number of periods) c. PV (present value) d. All of above

Ans:– a,– a

What is the first thing you could do to check for damage to a printer after receiving it?
Options: Run MSD diagnostics,    Attach it to a PC and print something,    Check the cables,    Unbox it and examine it for physical damage

Ans:D ,D

Anthony suggested that the area of management planning and control be segmented into:
Options: operational control,    strategic planning,    management control,    All of the above

Ans:D ,D

When new data are to be inserted into a data structure, but there is no available space; this situation is usually called
Options: a. underflow b. overflow c. housefull d. saturated

Ans:- b,- b

Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time?
Options: report writer,    query language,    data manipulation language,    transaction log

Ans:D ,D

Which of the following is true of a network structure?
Options: It is a physical representation of the data,    It allows a many-to-many relationship,    It is conceptually simple,    It will be the dominant data base of the future

Ans:B ,B

. Which file system DOS typically use?
Options: a. FAT 16 b. FAT 32 c. NTFS d. LMFS

Ans:6 – a ,6 – a

Which of the following would be good reasons to run NAT? You need to connect to the Internet and your hosts don't have globally unique IP addresses. You change to a new ISP that requires you to renumber your network. You don't want any hosts connecting to the Internet. You require two intranets with duplicate addresses to merge.
Options: 1, 2 and 4,    2 and 4,    3 only,    All of the above

Ans:A ,A

. Shimmer, Sparkle text, Blinking Background etc. are known as
Options: a. font styles b. font effects c. word art d. text effects

Ans: – D , – D

. second generation computers were developed during
Options: A) 1949 to 1955 B) 1956 to 1965 C) 1965 to 1970 D) 1970 to 1990


In LISP, the function assigns . the value of a to b is
Options: (setq a b),    (setq b a ),    (b = a),    (set b = a)

Ans:B ,B

Business Intelligence (BI) reporting systems cannot do which of the following operations?
Options: Filter data,    Group data,    Modify data,    Both filter and group data

Ans:C ,C

Corporate modeling languages often do provide for
Options: model definition,    DML commands,    editing,    report specification

Ans:A ,A

. A typical personal computer used for business purposes would have__ of RAM.
Options: A) 4 KB B) 16 K C) 64 K D) 256 K


. When you press and release the secondary mouse button you are ….
Options: a. Right clicking b. Left clicking c. Either a or b d. None of above

Ans:6 – a ,6 – a

Which of the following function is correct that finds the length of a string?
Options: int xstrlen(char *s) { int length=0; while(*s!='\0') { length++; s++; } return (length); } ,    int xstrlen(char s) { int length=0; while(*s!='\0') length++; s++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') length++; return (length); } ,    int xstrlen(char *s) { int length=0; while(*s!='\0') s++; return (length); }

Ans:A ,A

. What is the use of Document Map?
Options: a. to quickly format the document b. to quickly print required page c. to quickly navigate the document d. to quickly correct spelling mistakes

Ans: –  C , –  C

The saturation point is approximately the same as
Options: cutoff point,    lower end of the load line,    upper end of the load line,    infinity

Ans:C ,C

Compared to analog signals, digital signals
Options: allow faster transmission,    are more accurate,    both (a) and (b),    All of the above

Ans:C ,C

. Essential business letter elements include the _____.
Options: a. date line and inside address b. message c. signature block d. all of the above

Ans:– D,– D

If the current gain is 200 and the collector current is 100 mA, the base current is
Options: 2 mA,    0.5 mA,    2 A,    200 A

Ans:B ,B

For a memory system, the cycle time is
Options: same as the access time,    longer than the access time,    shorter than the access time,    submultiple of the access time

Ans:B ,B

. We can replace a font on all sides with another font using the option :
Options: a. Edit –> Fonts b. Tools –> Fonts c. Tools -> Replace Fonts d. Format -> Replace Fonts

Ans:1 – D ,1 – D

. In which menu can you find features like Slide Design, Slide Layout etc.?
Options: a.  Insert Menu b.  Format Menu c.  Tools Menu d.  Slide Show Menu

Ans:7 – B ,7 – B

8. Which type of command in DOS needs additional files for their execution?
Options: a. Internal commands b. External commands c. Batch commands d. Redirectors

Ans:Correct Answer: b,Correct Answer: b

The CPU chip used in a computer is partially made out of
Options: silica,    carbon,    copper,    gold

Ans:A ,A

While working with MS-DOS, which command is used to sort the file in ascending order?
Options: SORT filename,    SORT < filename,    SORT > filename,    SORT | filename

Ans:B ,B

. Which was the computer conceived by Babbage?
Options: A) Analytical Engine B) Arithmetic Machine C) Donald Kunth D) All of above


. ____ is the operating systems File and folder Manager
Options: a. Windows Explorer b. Windows Control Panel c. My Computer d. My Documents

Ans:8 – a ,8 – a

Related fields in a data base are grouped to form
Options: data file,    data record,    menu,    bank

Ans:B ,B

. Which of the following operating system do you choose to implement a client server network?
Options: a. MS DOS b. Windows c. Windows 98 d. Windows 2000

Ans: d, d

83. Ctrl + O
Options: a. Save Document b. Print Document c. Close Document d. Open Document

Ans:–  D ,–  D

. Find can be used to
Options: a. Locate a program b. Locate a document c. Locate a network computer d. All of above

Ans:7 – d ,7 – d

What command is used to display the top of the file?
Options: grep,    more,    head,    cat

Ans:C ,C

.   Microsoft PowerPoint is a
Options: a. Database program b. Spreadsheet program c. Presentation program d. Word processing program

Ans:7 – C ,7 – C

The rate at which scanning is repeated is called the:
Options: stroke rate,    refresh rate,    bandwidth,    resolution

Ans:B ,B

Ctrl + S
Options: a. Save Document with different name b. Save Document with same name c. Save Document and Close Word Application d. Save Document and Print whole Pages

Ans:–  B,–  B

. What is the shortcut key to hide entire column?
Options: a. CTRL + − b. CTRL + 0 c. CTRL + H d. CTRL + C

Ans:– b,– b

Operating system is
Options: A collection of hardware components,    A collection of input-output devices,    A collection of software routines,    All of the above

Ans:C ,C

Embedded SQL is which of the following?
Options: Hard-coded SQL statements in a program language such as Java.,    The process of making an application capable of generating specific SQL code on the fly.,    Hard-coded SQL statements in a procedure.,    Hard-coded SQL statements in a trigger.

Ans:A ,A

A programming language intended to solve a no. of different types of problems is
Options: COBOL,    General purpose programming language,    BASIC,    FORTRAN

Ans:B ,B

. Which of the following command is used to switch between the window programs?
Options: a. Alt+Tab b. Alt+F4 c. Ctrl+Tab d. None of the above

Ans:5 – a ,5 – a

Two dimensional arrays are also called
Options: a. tables arrays b. matrix arrays c. both of above d. none of above

Ans:- c,- c

If the ASCII character H is sent and the character I is received, what type of error is this?
Options: single-bit,    multiple-bit,    burst,    recoverable

Ans:A ,A

The requirements report includes
Options: a hierarchy chart showing the top-level modules,    a list of alternative solutions considered,    a data flow diagram describing the proposed new system.,    All of the above

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

. Print options can be changed in the Print ____.
Options: a. tab b. layout mode c. setup routine d. dialog box

Ans:2 – d ,2 – d

When did IBM close the last of its punched card manufacturing plant?
Options: June, 1989,    December, 1984,    March, 1982,    November, 1979

Ans:B ,B

A systems programming language for microcomputers in the Intel family is
Options: PL/C,    PL/CT,    PL/M,    PLA