_____________ refers to the correctness and completeness of the data in a database?


Options: Data security B. Data integrity C. Data constraint D. Data independence

Ans:– B ,






More Database Systems Related questions:


What is the minimum number of wires needed to send data over a serial communication link layer?
Options: 1,    2,    4,    6

Ans:B ,B


. Borders can be applied to
Options: a. cells b. paragraph c. text d. All of above

Ans: – D , – D


Which of the following is not a computer bus?
Options: data bus,    timer bus,    control bus,    address bus

Ans:B ,B


Special programs that assist programmers are called:
Options: heuristic processors,    symbolic programmers,    intelligent programming tools,    program recognizers

Ans:C ,C


What information is displayed by the show hosts command? Temporary DNS entries The names of the routers created using the hostname command The IP addresses of workstations allowed to access the router Permanent name-to-address mappings created using the ip host command The length of time a host has been connected to the router via Telnet
Options: 1, 2 and 3,    1 and 4,    3, 4, and 5,    All of the above

Ans:B ,B


. Which command is used to open the directory?
Options: a. Open b. Chdir c. Move d. All of above

Ans:2 – b ,2 – b


COM 4 uses which I/O port?
Options: 2F8H,    3F8H,    3E8H,    2E8H

Ans:D ,D


Actuarial accounting systems are associated with the _____ industry.
Options: insurance,    reliable,    consistent,    exhaustive

Ans:A ,A


. Which of the following is the largest manufacturer of Hard Disk Drives?

Options: A) IBM B) Seagate C) Microsoft D) 3M

Ans:B,B


In OLE DB, which of the following represents characteristics of the recordset abstraction?
Options: Properties,    Collections,    Methods,    Abstractions

Ans:A ,A


. Which of the following is not anti-viruses software?
Options: A) NAV B) F-Prot C) Oracle D) McAfee

Ans:C,C


. Batch file is used to
Options: a. Run program b. Show the contents c. run commands automatically d. All of above

Ans:1 – c ,1 – c


.   The quickest way to create a PowerPoint presentation is to use the
Options: a. Word for windows templates b. Auto creation wizard c. Auto content wizard d. Presentation wizard

Ans:7 – C ,7 – C


An input device that is able to interpret pencil marks on paper media is known as
Options: Magnetic disk,    Optical Mark Reader,    Card Puncher,    Magnetic tape

Ans:B ,B


In a _____ one module of the new information system is activates at a time.
Options: System Development Life Cycle,    CASE tool,    Phased Conversion,    Success factors

Ans:C ,C


________ is an interface by which application programs can access and process SQL databases in a DBMS-independent manner.
Options: ODBC,    OLE DB,    JPCD,    ADO

Ans:A ,A


. When did IBM introduce the 20286 based PC/AT?
Options: A) 1982 B) 1984 C) 1985 D) 1989

Ans:B,B


. The virtual memory is
Options: a. An extremely large main memory b. An extremely large secondary memory c. An illusion of extremely large main memory d. A type of memory used in super computer

Ans:5 – c ,5 – c


The original ASCII code used _____ bits of each byte, reserving that last bit for error checking.
Options: 5,    6,    7,    8

Ans:C ,C


Direct-access 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:D ,D


In which addressing mode the effective address of the operand is the contents of a register specified in the instruction and after accessing the operand, the contents of this register is incremented to point to the next item in the list?
Options: index addressing,    indirect addressing,    auto increment,    auto decrement

Ans:C ,C


. Which of the following file pattern encompasses the filenames having second character b ?
Options: a. *b??????.txt b. ?b******.txt c. 2b*.txt d. ?b*.txt

Ans:2 – d ,2 – d


What is route poisoning?
Options: It sends back the protocol received from a router as a poison pill, which stops the regular updates.,    It is information received from a router that can't be sent back to the originating router.,    It prevents regular update messages from reinstating a route that has just come up.,    It describes when a router sets the metric for a downed link to infinity.

Ans:D ,D


. The original ASCII code used__bits of each byte, reserving that last bit for error checking
Options: A) 5 B) 6 C) 7 D) 8

Ans:C,C


When the minimum number of instances of an entity is one, you know which of the following?
Options: Mandatory one,    Optional one,    Mandatory many,    Cannot tell

Ans:D ,D


When a disk stack is serviced by a comb-like access mechanism, there is one read/write head for each
Options: disk,    disk surface,    track,    cylinder

Ans:B ,B


If the processor of a computer does not have a direct and unassisted access to data items, these items are said to be
Options: offline,    remote,    disconnected,    detached

Ans:A ,A


Which of the following is done in order a data in phase 1 of the system development life cycle?
Options: reviewing policies and procedures,    conducting interviews,    using questionnaires to conduct surveys.,    All of the above

Ans:D ,D


Part of a program where the shared memory is accessed and which should be executed invisibly, is called
Options: semaphores,    directory,    critical section,    mutual exclusion

Ans:C ,C


A flashlight battery has internal resistance of 1W. For what values of load resistance does the flashlight battery appear stiff?
Options: 60 Ohm,    50 Ohm,    100 Ohm or more,    10 Ohm

Ans:C ,C


. What is the symbol for dividing?
Options: a. A ./ b. % c. & d. #

Ans:– a,– a


. The function of Dir/W is
Options: a. Show all details of file b. Show only file name and directory name c. Shows only directory d. All of the above

Ans:8 – b ,8 – b


. Which command be used to clear the screen and display the operating system prompt on the first line of the display?
Options: a. Cd b. Md c. Rename d . cls

Ans:Correct Answer: d ,Correct Answer: d


. You can create a new presentation by completing all of the following except:
Options: a. Clicking the new button on the standard toolbar b. Clicking file, new c. Clicking file open d. Pressing Ctrl + N

Ans:4 – C ,4 – C


When an entity instance must be a member of only one subtype, it is which of the following?
Options: Disjoint with total specialization,    Disjoint with partial specialization,    Overlap with total specialization,    Overlap with partial specialization

Ans:A ,A


Which of the following situation requires the use of ID-dependent entities?
Options: Association relationships only,    Multivalued attributes only,    Archetype/instance relationships only,    All of the above use ID dependent entities

Ans:D ,D


The ESD wrist strap is designed to protect PC Components or Service Technicians ?
Options: PC Components,    Service Technicians,    Both,    

Ans:C ,C


A number that is used to control the form of another number is known as
Options: Map,    Mask,    Mamtossa,    Marker

Ans:B,(Banswer


You are working with a network that has the network ID 192.168.10.0 and require nine subsets for your company and the maximum number of hosts. What subnet mask should you use?
Options: 255.255.255.192,    255.255.255.224,    255.255.255.240,    255.255.255.248

Ans:C ,C


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

Ans:– A ,


. ____ 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


The first electronic digital computer contained?
Options: Electronic valves,    Vacuum tubes,    Transistors,    Semiconductor memory

Ans:B,B


. Which of the following is not valid version of MS Office?
Options: a. Office XP b. Office Vista c. Office 2007 d. None of above

Ans:– B,– B


The personnel which deal with the computer and its management put together is known as
Options: Firm ware,    Human ware,    Software,    Hardware

Ans:B ,B


Which of the following Language that Computer can Understand & Execute?
Options: A. Machine Language B. C Programming Language C. Java Programming Language D. None of the Above

Ans:A,


The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ;
Options: Equi-join,    Natural join,    Outer join,    Cartesian join

Ans:D ,D


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

Ans:A,A


How many pairs of stations can simultaneously communicate on Ethernet LAN?
Options: 1,    2,    3,    multiple

Ans:A ,A


.   Which of the following is/are true about rulers and guides?
Options: a. Rulers and guides can be turned on or off b. Rulers and guides print on the slide c. Rulers and guides help place objects on the slide d. A and c

Ans:8 – D ,8 – D


What is the maximum header size of an IP packet?
Options: 32 bytes B. 64 bytes C. 30 bytes D. 60 bytes

Ans:– D ,

www.000webhost.com