Latest topics

1. Which is special register, which holds machine instructions? A) Control unit B) RAM C) Control instruction register D) None of the above 2. A language used to express algorithms in computer understandable form is A) Assembly language B) Low-level language C) Algorithmic language D) Programming language 3. Which statement is not valid about computer A) Can accept data supplied by the user B) Can process the data C) Can output the data as result D) None of the above 4. Central processing Unit is combination of A) Control and Storage unit B) Control and Output unit C) Arithmetic Logic and Input Unit D) Arithmetic Logic and Control Unit 5. ASCII stands for A) American Standard Code for Introduction Interchange B) American Standard Code for Information Interchange C) American Start Code for Information Interchange D) American Stop Code for Information Interchange 6. Seek time is A) Time to position the head over proper track B) Time to position the head over proper sector C) Time to posi...

1. In addresses for ................... networks, the first 16 bits specify a particular network, and the last 16 bits specify a particular host.  SMTP (Photo credit: Wikipedia ) A) class A B) class B C) class C D) class D 2. The .............. protocol is based on end to end delivery. A) SMTP B) TCP C) IP D) SCTP 3. A/An .................... routing scheme is designed to enable switches to react to changing traffic patterns on the network. A) static routing B) fixed alternate routing C) adaptive routing D) dynamic routing 4. The IPV4 address is a .................. address because it is assigned at the internet layer. A) logical B) physical C) common D) shared 5. The ................... layer provides a well defined service interface to the network layer, determining how the bits of the physical layer are grouped into frames. A) Data Link B) Physical C) Network D) Session 6. A distributed data processing configuration in which all activities must pass through a centrally located c...

GSM Network Architecture (Photo credit: Wikipedia ) 1. Which of the following is/are the main part(s) of basic cellular system . A) A mobile Unit B) A cell Site C) A mobile Telephone Switching Office D) All of the above 2. Fading of the received radio signals in a mobile communication environment occurs because of ..... A) Direct propagation B) Multipath Propagation C) Bi-path Propagation D) None of the above 3.State whether True of False. i) The cells or subdivisions of a geographical area are always hexagonal. ii) A land to Mobile call originates through the Telephone exchange . A) True, False B) False, True C) False, False D) True, True 4. In .............. Frequency Spectrum is divided into smaller spectra and is allocated to each user. A) TDMA B) CDMA C) FDMA D) FGMA 5. In ................ multiple access is achieved by allocating different time slots for the different users. A) TDMA B) CDMA C) FDMA D) FGMA 6. State whether True of False. i) In GSM only TDMA is used. ii) There is...

1. ........................ tier it's much easier to design the application to be DBMS agnostic. A) Middle application server Client-Server Model (Photo credit: Wikipedia ) B) Multithreaded application C) Application server D) Client server application 2. Which of the following is not the correct benefit of distributed computing . A) Resource sharing B) Performance C) Availability D) Security 3. ................... serve as the 'glue' between the client and server applications respectively, and that ORB . A) ORB and ORB Interface B) CORBA IDL stubs and skeletons C) Client and servant D) Client and server 4. In ........................ the client invokes the request, and then blocks waiting for the response. A) Deferred Synchronous Invocation B) One way Invocation C) Synchronous Invocation D) Two way Invocation 5. In ...................... the client invokes the request, continues processing while the request in dispatched, and later collects the response. A) Deferred Synch...

1. Memory unit that communicates directly with the CPU is called the ............... A) Main memory RISC (Photo credit: Wikipedia ) B) Secondary memory C) Auxiliary memory D) Register 2. CISC stands for ................ A) Common Instruction Set Computers B) Complex Instruction Set Compilers C) Complex Instruction Set Computers D) Compound Instruction Set Computers 3. The communication between central system and the outside environment is done by A) Input-output subsystem B) Control system C) Memory system D) Logic system 4. The register that keeps track of the instructions in the program stored in memory is .. A) Control register B) Program counter C) Status register D) Direct register 5. ................ is a small very speed register file maintained by the instruction fetch segment of the pipeline. A) Branch Target Buffer B) Loop buffer C) Branch loop buffer D) Target register 6. In case of only one memory operand, when a second operand is needed, as in the case of an Add instruct...

1. The computer code for the interchange of information between terminal is .. A) ASCII Example of how to construct a NAND gate from NOR gates (Photo credit: Wikipedia ) B) BCD C) EBCDIC D) All of the above 2. SIMD stands for .... A) Single Instruction Stream Over Multiple Data Streams B) Single Instruction Stream Over Minimum Data Streams C) Single Instruction Stream Over Media Data Streams D) Multiple Instruction Streams and Single Data Stream 3. The NOR gate is complement of .. A) AND gate B) OR gate C) NAND gate D) NOT gate 4. A .............. is a digital circuit that performs the inverse operation of decodes. A) multiplexer B) adder C) subtractor D) encoder 5. Pipelining increases the CPU instruction .......... A) efficiency B) latency C) throughput D) Both a and c 6. The ............... is a program whose function is to start the computer software operating when power is turned on. A) Bootstrap loader B) Multi programming C) Loader D) None of the above 7. .................. i...

1. Java was developed by the company A) Sun Micro systems Sun Micro systems Image CrunchBase B) Microsoft C) Micro tech D) IBM 2. What is the file extension of compiled java program? A) .class B) .java C) .css D) .html 3. .................. keyword is used to invoke the current object. A) New B) That C) This D) Me 4. Which of the function is used to convert string to Number in java program? A) to Number() B) conString() C) valueOf() D) toString() 5. What are the part in executing a Java program and their purposes? A) Java Compiler B) Java Interpreter C) Java Pre-processor D) Directive Pre-processor 6. Method overloading is one of the way that Java supports ............ A) encapsulation B) class C) inheritence D) polymorphism 7. Java support RMI. What does this RMI stands for? A) Random Memory Interface B) Remote Method Invocation C) Random Method Invocation D) Remote Memory Interface 8. Which of the following represent legal flow control statements? A) break; B) break(); C) continue(in...

1. In SQL, which command is used to issue multiple CREATE TABLE , CREATE VIEW and GRANT statements in a single transaction? SQL database icon with shortcut identification (Photo credit: Wikipedia ) A) CREATE PACKAGE B) CREATE SCHEMA C) CREATE CLUSTER A) All of the above 2. In SQL, the CREATE TABLESPACE is used A) to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace. B) to create a database trigger . C) to add/rename data files, to change storage D) All of the above 3. Which character function can be used to return a specified portion of a character string ? A) INSTR B) SUBSTRING C) SUBSTR D) POS 4. Which of the following is TRUE for the System Variable $date$? A) Can be assigned to a global variable. B) Can be assigned to any field only during design time. C) Can be assigned to any variable or field during run time. D) Can be assigned to a local variable. 5. What are the different events in Triggers? A)...

1. In SQL , which command is used to remove a stored function from the database? Cover of SQL Server magazine (Photo credit: Wikipedia ) A) REMOVE FUNCTION B) DELETE FUNCTION C) DROP FUNCTION D) ERASE FUNCTION 2. In SQL, which command is used to select only one copy of each set of duplicate rows A) SELECT DISTINCT B) SELECT UNIQUE C) SELECT DIFFERENT D) All of the above 3. Count function in SQL returns the number of A) Values B) Distinct values C) Groups D) Columns 4. Composite key is made up of ................ A) One column B) One super key C) One foreign key D) Two or more columns 5. What command is used to get back the privileges offered by the GRANT command? A) Grant B) Revoke C) Execute D) Run 6. Which command displays the SQL command in the SQL buffer, and then executes it? A) CMD B) OPEN C) EXECUTE D) RUN 7. What is a DATABLOCK? A) Set of Extents B) Set of Segments C) Smallest Database storage unit D) Set of blocks 8. If two groups are not linked in the data model editor, wha...

1. ............................ is the powerful language for working with RDBMS . A) Embedded Programs Database Management System (Photo credit: Wikipedia ) B) Dynamic Programs C) Query Language D) Static Language Programs 2. The file in DBMS is called as .................. in RDBMS. A) console B) schema C) table D) object 3. In ..................... , we have a strict parent-child relationship only. A) hierarchical databases . B) network databases C) object oriented databases D) relational databases 4. Which normal form is considered adequate for relational database design ? A) 2 NF B) 3 NF C) 4 NF D) BCNF 5. What operator tests column for the absence of data? A) IS NULL operator B) ASSIGNMENT operator C) LIKE operator D) NOT operator 6. Which is proper subset designed to support views belonging to different classes of users in order to hide or protect information. A) Schema B) Sub-schema C) Non-schema D) Non-sub schema 7. Which contain information about a file needed by system progr...

 Image Slideshow (Photo credit: Wikipedia ) If you want to place links on the images or captions of the image slideshow using JavaScript codes, you can do it by creating a new array of links along with the array of images and captions and adding some codes on 'swap' function to rotate links with the image and caption rotation in the slideshow. Here  I have written codes for creating JavaScript image slideshow with links, you can use these codes on your website or blog to create attractive image slideshow. Code for Creating Slideshow with Links on Image Just copy and paste the code below where you want to place slideshow and change the location of the images. <script type="text/javascript"> var i = 0; var image = new Array(); // LIST OF IMAGES image[0] = "image-1.png"; image[1] = "image-2.png"; image[2] = "image-3.png"; var k = image.length-1; var caption = new Array(); // LIST OF CAPTIONS caption[0] = "Caption for the ...

A simple JavaScript code (Photo credit: Wikipedia ) I have already posted JavaScript codes for simple image slideshows without caption, with caption and Jquery fade effect animation . As some of our visitors asked how to add a next button to the slide, I have posted this JavaScript code for creating image slideshow with Navigation Buttons. It may help more for creating awesome image animations for your website or blog. Code for Creating Image Slideshow with Navigation Buttons  Just copy and paste the code below where you want to place slideshow and change the location of the images. <script type="text/javascript"> var i = 0; var image = new Array(); // LIST OF IMAGES image[0] = "image-1.png"; image[1] = "image-2.png"; image[2] = "image-3.png"; var k = image.length-1; var caption = new Array(); // LIST OF CAPTIONS caption[0] = "Caption for the first image"; caption[1] = "Caption for the second image"; caption[2] =...

1. A small program which loads OS into the memory is called as ........... System management components (Photo credit: Wikipedia ) A) ROM B) bootstrap loader C) BIOS D) RAM 2. Virtual memory is .............. A) Simple to implement B) Used by all major commercial OS C) Less efficient memory utilization D) Less effective 3. A special purpose register that is set to the highest address occupied by the OS code is ........... A) fence register B) general purpose register C) protection register D) control register 4. As OS program module that selects the next job to be admitted for execution is called as ..... A) scheduler B) compiler C) throughput D) dispatcher 5. Multiprogramming systems ................. A) are easier to develop than single programming systems. B) execute each job faster C) execute more jobs in the same time. D) are used only on large main frame computers 6. SSTF stands for ........................ A) Small seek Time First B) Simple Seek Time First C) Shortest Seek T...

1. Operating System means ........................ A) a set of programs which controls computer working. Operating System (Photo credit: Wikipedia ) B) a way of computer drives works C) a set of devices and programs D) All of the above 2. The basic types of OS are ................... A) batch and time sharing B) sequential and real time C) direct and interactive D) batch and interactive 3. The simplest way of deadlock is to ... A) preempt a resource B) rollback C) kill one of the processes D) lock one of the processes 4. Throughput of a system is A) Number of programs processed by it per unit time B) Number of times the program is invoked by the system C) Number of requests made to a program by the system D) None of the above 5. Which of the following is not OS layer? A) Kernel B) Shell C) Application Programs D) Critical Section 6. Round robin scheduling is essentially the preemptive version of ........... A) first in first out B) shortest job first C) shortest remaining D) longest...