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Computer Question And Answers

Welcome to our web portal, candidates who are looking for Computer Question And Answers for any competitive exam of a contest Test can get it Download in PDF form for Free from here. Here we made Available Computer Question And Answers and by solving these Questions & Answers you’ll find easy to prepare for any competitive examinations. Questions related to computer and IT field are designed to judge and evaluate knowledge of aspirants about the concept of Computer in several Competitive Exams. So go well through these few most asked questions and increase your familiarity about competitive exams.

Computer Question And Answers

Before Preparation of the exam, Read This: Computer Exam Preparation Tips

Computer Question And Answers

Q The operating system called UNIX is typically used for
A. Desktop computers                            B. Laptop computers
C. Supercomputers                                D. all of these
A- D. All Of These

Q All of the following are examples of real security and privacy risks EXCEPT
A. Hackers’                                           B. spam
C. Viruses’                                            D. identity theft
A- B. spam

A. Universal Automatic Computer              B. Universal Array Computer
C. Unique Automatic Computer                 D. Unvalued Automatic Computer
A- Universal Automatic Computer

Q  The basic operations performed by a computer are
A. Arithmetic operation                           B. Logical operation
C. Storage and relative                           D. All the above
A- All the above

Q The two major types of computer chips are
A. External memory chip                         B. Primary memory chip
C. Microprocessor chip                            D. Both 2 and 3
A- Both 2 and 3

Q Microprocessors as switching devices are for which generation computers
A. First Generation                                 B. Second Generation
C. Third Generation                                D. Fourth Generation
A- Fourth Generation

Start Your Test

Q What is the default file extension for all Word documents?
A. FIL                                                  B. TXT
C. DOC                                                 D. WRD

Q Which of the following is a Web browser?
A. Paint                                                B. PowerPoint
C. Firefox                                             D. Word
A- Firefox

Q Which of the following memories is an optical memory?
A. Floppy Disk                                       B. CD-ROM
C. Core Memories                                  D. Bubble Memories
A- Bubble Memories

Q  A terabyte comprises
(A) 1024 gigabyte                                  (B) 1024 kilobyte
(C) 1024 megabyte                                (D) 1024 byte
A- 1024 gigabyte

Q The Contents of ___ are lost when the computer turns off?
(A) Input                                              (B) Output
(C) Memory                                          (D) Storage
A- Memory

Q What process should be used to recall a document saved previously?
(A) Copy                                              (B) Save
(C) Retrieve                                          (D) Enter
A- Retrieve

Q What term applies to a collection of related records in a database?
(A) Field                                               (B) File
(C) Both a and b                                    (D) None of the above
A- File

Want help in Preparation? Get Tips: Practice Which Helps In Preparation

Q The number system on which the modern computers operate is________
A. Decimal number system                      B. Octal number system
C. Binary number system                        D. Hexadecimal number system
A- Binary number system   

Q The following is not a input device
A. Keyboard                                          B. Printer
C. Voice recognition device                       D. Optical scanner
A- Printer

Q The word length of a computer is measured in:
A. Bits                                                 B. bytes
C. Milli Meters                                        D. meters
A- Bits

Q A byte represents a group of
A. 8 bits                                               B. 10 bits
C. 22 bits                                              D. 32 bits
A- 8 bits

Online Quiz for Competitive Exams

Q How is power supplied to a low-power USB device?
A. Through a power cable                                 B. From an external power supply
C. Directly from the computers power supply       D. Through the USB cable
A- Through the USB cable

Q The ______ data mining technique derives rules from real-world case examples.
A. Rule discover                                     B. Signal processing
C. Neural nets                                                 D. Case-based reasoning
A- Neural nets

Q Who was the first President of Microsoft Corporation?
A. Steve Jobs                              B.  Bob Gates                    C. Bill Gates
A- Bill Gates

Q ______ is a set of bits that represent a single character
A. ASCII                           B. kilobyte                         C. byte
A- Byte

Q A computer virus is
A. A hardware                                                B. a computer program
C. A client server                                   D. a read-only memory
A- A computer program

Q Which of the following devices is not an output device?
A. Visual display unit                               B. Plotter
C. Key board                                         D. Printer
A- Visual display unit

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