Practice Important Computer Questions Questions and Answers

• From the following, which is not a common file permission?
• A proxy firewall filters at _________
• Electronic mail uses which Application layer protocol?
• What is the role of Key Distribution Center?
• The searching technique that takes O (1) time to find a data is
• Computer language used for calculation is
• The ability to query data, as well as insert, delete, and alter tuples, is offered by
• ……… are words that a programming language has set aside for its own use.
• The minimum number of page frames that must be allocated to a running process in a virtual memory environment is determined by ____________
• In Windows NT, NT stands for
• Menus are the part of
• A piece of icon or image on a web page associated with another webpage is called ______
• ----- represents the correct sequence for copy, paste and cut commands?
• In a relational database, a data structure that organises the information about a single topic into rows and columns, is
• Which of the following cables can transmit data at high speeds?
• Which of the following contains information about a single ‘entity’ in the database like a person, place, event or thing?
• Communication offered by TCP is ________
• In which, the database can be restored up to the last consistent state after the system failure?
• Which one of the following is not an application layer protocol used in internet?
• In an E-R diagram, attributes are represented by
• Data duplication wastes the space, but also promotes a more serious problem called
• What is the mounting of file system?
• Which of the following is a programming language for creating special programs like Applets?
• A collection of conceptual tools for describing data, relationships, semantics and constraints is referred to as
• Which of the following is known as the process of viewing cross-tab with a fixed value of one attribute?
• The highest level in the hierarchy of data organization is called
• DI stands for
• Which forms has a relation that possesses data about an individual entity:
• The __________________ contains a list of blocks that have been updated in the database buffer.
• A process is thrashing if ____________
• A graphical or text depiction of the relationship between different groups of content on a website is a:
• The_____ operation allows the combining of two relations by merging pairs of tuples, one from each relation, into a single tuple.
• The top level of the hierarchy consists of ______ each of which can contain _____.
• The first Network was called ________
• Which of the following is not an internal command of DOS?
• The code that relational database management systems use to perform their database task is referred to as
• File extensions are used in order to
• What type of memory stores data in a swap file on a hard drive?
• The attacker using a network of compromised devices is known as _____________
• Which tool is used for Wi-Fi hacking?