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Computer Question And Answers

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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

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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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