Wednesday, 17 April 2013

Computer Awareness Questions On - Computer Fundamentals(Acronyms) - Online Test Part - 3

Computer Fundamentals(Acronyms) Online Test Part - 3

Exam Name - Computer Awareness
Subject Name - Computer Fundamentals(Acronyms)
Exam Type - Multiple Choice Questions
No Of Questions - 10

Question - 1: CRT Stands For -?
  1. Clear Ray Tube
  2. Cathode Ray Tube
  3. Computer Ray Tube
  4. Command Ray Tube
Show/Hide Answer
Answer = Cathode Ray Tube
Explanation: A cathode ray tube (CRT) is a specialized vacuum tube in which images are produced when an electron beam strikes a phosphorescent surface. It works by moving an electron beam back and forth across the back of the screen.
Question - 2: DBA Stands For -?
  1. Database Administrator
  2. Data Administrator
  3. Direct Block Access
  4. Digital Block Administrator
Show/Hide Answer
Answer = Database Administrator
Explanation: Fuctions Of DBA -
– Schema definition
– Storage structure and access method definition
– Granting access to user for database
– integrity constraints
Question - 3: DES Stands For -?
  1. Digital Encryption Standard
  2. Data Encryption Standard
  3. Data Encryption Software
  4. Digital Encryption Software
Show/Hide Answer
Answer = Data Encryption Standard
Explanation: DES is the Data Encryption Standard, Used To Encrypt Message Into Intelligible Form So that only authenticate user can read the secret information.
Question - 4: DHTML Stands For -?
  1. Direct HTML
  2. Data HTML
  3. Digital HTML
  4. Dynamic HTML
Show/Hide Answer
Answer = Dynamic HTML
Explanation: Dynamic HTML provide us more control over the HTML elements and allows them to change at any time, without returning to the Web server.
Question - 5: DMA Stands For -?
  1. Direct Memory Algorithm
  2. Digital Memory Access
  3. Direct Memory Access
  4. Data Memory Access
Show/Hide Answer
Answer = Direct Memory Access
Explanation: DMA is a method of transferring data from the computer's RAM to another part of the computer without processing it using the CPU.
Question - 6: DOS Stands For -?
  1. Data Operating System
  2. Disk Operating Software
  3. Disk Operating Standard
  4. Disk Operating System
Show/Hide Answer
Answer = Disk Operating System
Explanation: DOS was the first single user operating system used by IBM PC. It uses a command line that allows the user to type commands. Such As - CD, Dir , FTP etc.
Question - 7: DPI Stands For - ?
  1. Dots Per Inch
  2. Dots Per Pixel Inch
  3. Data Per Inch
  4. Dots Pixel Inch
Show/Hide Answer
Answer = Dots Per Inch
Explanation: DPI is used to measure the resolution of an image. For Example 800 dpi printer can print 800 dots both horizontally and vertically per inch, so printer actually prints 640,000 (800 x 800) dots per square inch.
Question - 8: DSL Stands For -?
  1. Data Subscriber Line
  2. Data System Line
  3. Digital Subscriber Line
  4. Digital Subscriber Link
Show/Hide Answer
Answer = Digital Subscriber Line
Explanation: DSL is a medium which is used for transferring data over telephones lines. it is also used to connect to the Internet.
Question - 9: DVD Stands For -?
  1. Data Versatile Disk
  2. Digital Versatile Disk
  3. Data Video Disk
  4. Digital Visual Disk
Show/Hide Answer
Answer = Digital Versatile Disk
Explanation: DVD - Digital Versatile Disk
DVD - Digital Video Disk
DVD R - Digital Versatile Disk - Record-able
DVD - ROM - Digital Versatile Disk Read Only Memory
DVD - RW - Digital Versatile Disk Rewrite-able
Question - 10:EEPROM Stands For -?
  1. Electrical Erasable Programmable Read Only Memory
  2. Electronically Executable Programmable Read Only Memory
  3. Electronically Erasable Programmable Read Only Memory
  4. None Of The Above
Show/Hide Answer
Answer = Electronically Erasable Programmable Read Only Memory
Explanation: RAM - Random Access Memory
SRAM - Static Random Access Memory
DRAM - Dynamic Random Access Memory
ROM - Read Only Memory
PROM - Programmable Read Only Memory

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