What is ACID properties of Transactions?


Options: Atomicity, Consistency, Isolation, Database B. Atomicity, Consistency, Isolation, Durability C. Atomicity, Consistency, Inconsistent, Durability D. Automatically, Concurrency, Isolation, Durability

Ans:– B ,






More Database Systems Related questions:


If a transistor operates at the middle of the load line, an increase in the current gain will move the Q point
Options: down,    up,    nowhere,    off the load line

Ans:B ,B


Which of the following refers to a cursor type where changes of any type and from any source are visible?
Options: Forward only,    Static,    Keyset,    Dynamic

Ans:D ,D


Which kind of devices allows the user to add components and capabilities to a computer system?
Options: System boards,    Expansion slots,    Input devices,    Output devices

Ans:B,Expansion slots


What is the name given to the database management system which is able to handle full text data, image data, audio and video?
Options: Full media,    Graphics media,    Multimedia,    Hypertext

Ans:C ,C


What is the function of an operating system?
Options: Manages computer’s resources very efficiently B. Takes care of scheduling jobs for execution C. Manages the flow of data and instructions D. All of the above

Ans:– D ,



Options: format, header and footer B. view, footer C. insert, header and footer D. view, header and footer

Ans:– D ,


. All of the following are TRUE regarding virtual memory EXCEPT
Options: a. Any amount of RAM can be allocated to virtual memory b. The setting for the amount of hard disk drive space to allocate virtual memory canbe manually change c. This temporary storage is called the swap file or page file d. Virtual memory is the physical space o the hard drive

Ans: a, a


. Which of the following is not a class based on size?
Options: A) Mainframe Computer B) Micro Computer C) Mini Computer D) Digital Computer

Ans:D,D


The punched card used in the IBM System/3 contains
Options: 80 columns,    120 columns,    96 columns,    126 columns

Ans:C ,C


Repeaters are often used on an 802.3 network to help strengthen the signals being transmitted. As with the length of segments and the number of segments, a limit exists as to how many repeaters can be used between any two nodes. What is the maximum number of repeaters that can be used?
Options: Five,    Two,    Four,    Six

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


Because the configuration information for a DHCP client is received dynamically, you must use which utility to read the current configuration to verify the settings?
Options: PING,    TRACERT,    ARP,    IPCONFIG

Ans:D ,D


. Scandisk analyze and repair damage to which of the following?
Options: a. Physical clusters b. FAT c. Lost clusters d. All of the above

Ans:6 – d ,6 – d


RJ45 UTP cable has ________ Cables.
Options: 2 pair B. 3 pair C. 4 pair D. 5 pair

Ans:– C ,


What protocol(s) is(are) allowed a user to retrieve her/his mail from the mail server to her/his mail reader?
Options: POP3,    FTP,    MAP,    All of the above

Ans:A ,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 WHERE CUSTOMER_T. CUSTOMER_ID = ORDER_T. CUSTOMER_ID
Options: Equi-join,    Natural join,    Outer join,    Cartesian join

Ans:A ,A


Top Management is more interested in
Options: day-to-day operations,    strategic decisions,    tactical decision,    both b and c

Ans:D ,D


How many address lines are needed to address each machine location in a 2048 x 4 memory chip?
Options: A) 10 B) 11 C) 8 D) 12

Ans:-B,-B


_____ is the term used to refer to the process of two modems establishing communications with each other.
Options: interacting,    handshaking,    connecting,    linking

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


As alternatives are evaluated, the best one is recognized as the one
Options: best enabling the system to meet its objectives,    representing lowest cost,    with the most advantages,    with the least disadvantages

Ans:A ,A


Which of the following is not a worksheet design criterion?
Options: a. Efficiency b. Aditibility c. Description d. Clarity

Ans:#8211; c,#8211; c


Which of the following is required for a plotter to perform specific commands?
Options: Firmware,    Software,    Driver,    Hardware

Ans:C ,C


Doubling the operating frequency of a purely inductive circuit:
Options: doubles the amount of current through the inductors,    has no effect on the current through the inductors,    cuts the current through the inductors one-half,    increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit

Ans:C ,C


A hybrid computer uses a _____ to convert digital signals from a computer into analog signals.
Options: Modulator,    Demodulator,    Modem,    Decoder

Ans:C,(Canswer


In analyzing the compilation of PL/I program, the term "Lexical analysis" is associated with
Options: recognition of basic syntactic constructs through reductions,    recognition of basic elements and creation of uniform symbols,    creation of more optional matrix,    use of macro processor to produce more optimal assembly code

Ans:B ,B


. Which feature is used for monitoring all document changes?
Options: Edit Document B. Monitor Change C. Track Change D. Track all

Ans: – C ,


. Which is valid statement
Options: A) 1 KB = 1024 Bytes B) 1 MB = 1024 Bytes C) 1 KB = 1000 Bytes D) 1 MB = 1000 Bytes

Ans:A,A


A.M. turing developed a technique for determining whether a computer could or could not demonstrate the artificial Intelligence,, Presently, this technique is called
Options: Turing Test,    Algorithm,    Boolean Algebra,    Logarithm

Ans:A ,A


Which should you use for cleaning Mylar-protected LCD screens?
Options: Ammonia window cleaner,    Non-abrasive cleanser,    Anti-static wipes,    Alcohol-impregnated wipes

Ans:B ,B


Which of the following is not an alternative name for primary memory?
Options: Main memory,    Primary storage,    Internal storage,    Mass storage

Ans:D ,D


Which of the following summation operations is performed on the bits to check an error-detecting code?
Options: Codec,    Coder-decoder,    Checksum,    Attenuation

Ans:C ,C


ISDN uses _____ technology.
Options: only digital,    digital and analog,    only analog,    neither digital nor analog

Ans:A ,A


You get a call from a network administrator who tells you that he typed the following into his router: Router(config)#router ospf 1 Router(config-router)#network 10.0.0.0 255.0.0.0 area 0 He tells you he still can't see any routes in the routing table. What configuration error did the administrator make?
Options: The wildcard mask is incorrect.,    The OSPF area is wrong.,    The OSPF Process ID is incorrect.,    The AS configuration is wrong.

Ans:A ,A


Which of the following systems implementation approaches should be used if you want to run the old system and the new system at the same time for a specified period?
Options: direct,    pilot,    parallel,    phased

Ans:C ,C


Which of the following is correct way to define the function fun() in the below program? #include<stdio.h> int main() { int a[3][4]; fun(a); return 0; }
Options: void fun(int p[][4]) { } ,    void fun(int *p[4]) { } ,    void fun(int *p[][4]) { } ,    void fun(int *p[3][4]) { }

Ans:A ,A


Whenever a peripheral is being controlled by the CPU, it is said to be online. If additionally, the computer files are updated as soon as any change takes place, the system is called
Options: quick processing system,    batch processing system,    real time system,    remote processing system

Ans:C ,C


. Thesaurus tool in MS Word is used for
Options: a. Spelling suggestions b. Grammar options c. Synonyms and Antonyms words d. All of above

Ans: – C , – C


. Internet Explorer is
Options: a. an Internet browser b. provided by Windows OS c. an access point for Word Wide Web d. All of above

Ans:7 – d ,7 – d


. Which unit converts user data into machine readable form?
Options: A) Input unit B) Output unit C) ALU D) Control Unit

Ans:A,A


A billionth of a second is defined as a:
Options: millisecond,    microsecond,    nanosecond,    picoseconds

Ans:C,C


Which of the following is (are) not a tool for Application Prototyping?
Options: Application generators,    third generation language,    screen generators,    report generators

Ans:B ,B


Error detection at the data link level is achieved by?
Options: Bit stuffing,    Hamming codes,    Cyclic Redundancy codes,    Equalization

Ans:C ,C


Resistance is measured in ohm.
Options: True,    False,    ,    

Ans:A ,A


What is the short cut key to open the Open dialog box?
Options:  A) F12, B) Shift F12, C) Alt + F12, D) Ctrl + F12, 

Ans:-D,-D


 Which type of template provides a design concept, fonts & color scheme for presentation?
Options:  Format B.  Design C.  Content D.  Normal

Ans:– B ,


What is the storage capacity of a Hollerith card which is organized into nibbles?
Options: 32,    64,    128,    240

Ans:D ,D


What PPP protocol provides dynamic addressing, authentication, and multilink?
Options: NCP,    HDLC,    LCP,    X.25

Ans:C ,C


Which of the following registers is loaded with the contents of the memory location pointed by the PC?
Options: Memory Address Register,    Memory Data Register,    Instruction Register,    Program Counter

Ans:C,C


A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?
Options: Specialized file,    Log file,    Master file,    Update file

Ans:C ,C

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