Computer Science MCQs with Answer by General knowledge Solutions

Computer Science MCQs with Answer by General knowledge Solutions

                                                                           

1. ________ Viruses are often transmitted by a floppy disk left in the floppy drive

• (A) Trojan horse
• (B) Boot sector
• (C) Script
• (D) Logic bomb
• (E) None of these

 2. ________ controls the way in which the computer system functions and provides a means by which users can interact with the computer

• (A) The platform
• (B) Application software
• (C) Operating system
• (D) The motherboard
• (E) None of these

3. Servers are computers that provide resources to other computers connected to a ___________

• (A) mainframe
• (B) network
• (C) supercomputer
• (D) client
• (E) None of these

 4. A goal of data mining includes which of the following?

• (A) To explain some observed event or condition
• (B) To confirm that data exists
• (C) To analyze data for expected relationships
•  (D) To create a new data warehouse
• (E) None of these

 5. URL stands for ........

• (A) Universal Research List
• (B) Universal Resource List
• (C) Uniform Resource Locator
• (D) Uniform Research Locator
• (E) None of these

 6. A database management system (DBMS) is a ............

• (A) hardware system used to create , maintain and provide controlled access to a database
• (B) hardware system used to create, maintain, and provide uncontrolled access to a database.
• (C) software system used to create, maintain, and provide uncontrolled access to a database.
• (D) software system used to create, maintain, and provide controlled access to a database.
• (E) None of these

 7. Which of the following is NOT a goal of transaction processing system ?

• (A) Capture , process and store transactions
• (B) Produce a variety of documents related to routine business activities
• (C) Reduce manual effort associated with processing business transactions
• (D) Produce standard reports used for management decision making
• (E) None of these

 8. A Proxy server is used for which of the following?

• (A) To provide security against unauthorized users
• (B) To process client requests for web pages
• (C) To process client requests for databaseaccess
• (D) To provide TCP/IP
• (E) None of these

9. When data changes in multiple lists and all lists are not updated, this causes:

• (A) data redundancy
• (B) information overload
• (C) duplicate data
• (D) data inconsistency
• (E) None of these

 10. _____________ are words that a programming language has set aside for its own use.

• (A) Control worlds
• (B) Reserved words
• (C) Control structures
• (D) Reserved keys
• (E) None of these

11. What is the primary difference between a virus and a worm?

• (A) A worm has the ability to selfpropagate from an infected user's computer to other computers
• (B) A worm is usually written by a cracker: Script bunnies do not have the skills to develop a worm program
• (C) A virus is very harmful to the computers it infects : a worm is not a serious a problem
• (D) Anti-virus software is effective in fighting viruses but not worms
• (E) None of these