Question and Answer on Computer

Q. “OS” stands for

Ans: Operating System

Q. MS-Word is an example of which type of Software?

Ans: Application software

Q. What is necessary for a computer system to boot?

Ans: Operating System

Q. The first transatlantic radio broadcast occur?

Ans: 1900s

Q. ‘.MOV’ extension refers usually to what kind of file? 

Ans: Animation/movie file

Q. Which is a type of Electrically-Erasable Programmable Read-Only Memory?

Ans: Flash

Q. The purpose of choke in tube light is?

Ans: To increase the voltage momentarily

Q. ‘.MPG’ extension refers usually to what kind of file?

Ans: Animation/movie file

Q. Who developed Yahoo?

Ans: David Filo & Jerry Yang

Q. VHS stands for…? 

Ans: Video Home System

Q. What is booting? 

Ans: Booting is the process of a computer starting up.

Q. What are booting devices? 

Ans: During the boot process, boot devices are devices that have the operating system loaded on them. for example: The hard drive, disc drive, and floppy drive, etc.

Q. What are the types of booting?

Ans. There are two types of the boot:

  1. Cold Boot/Hard Boot
  2. Warm Boot/Soft Boot

Q. What are the basics steps of booting process?

Ans. Basic steps are:

  1. The start-up
  2. Power On Self Test
  3. Loading OS
  4. System Configuration
  5. Loading system utilities
  6. User authentication

Q. VVVF stand for?

Ans: Variable Voltage Variable Frequency

Q. What frequency range is the High Frequency band? 

Ans:  3 to 30 MHz

Q. The first step to getting output from a laser is to excite an active medium. What is this process called? 

Ans: Pumping

Q. What is the relationship between resistivity r and conductivity s? 

Ans: R = 1/s

Q. Which motor is NOT suitable for use as a DC machine?

Ans: Squirrel cage motor

Q. What does the term PLC stand for? 

Ans: Programmable Logic Controller

Q. ‘DB’ computer abbreviation usually means ?

Ans: Database

Q. ‘.INI’ extension refers usually to what kind of file? 

Ans: System file

Q. The sampling rate, (how many samples per second are stored) for a CD is…?

Ans: 44.1 kHz

Q. Who created Pretty Good Privacy (PGP)?

Ans: Phil Zimmermann

Q. What do we call a network whose elements may be separated by some distance? It usually involves two or more small networks and dedicated high-speed telephone lines.?  

Ans: WAN

Q. WAN stands for? 

Ans: Wide Area Network

Q. Who co-founded Hotmail in 1996 and then sold the company to Microsoft?

Ans: Sabeer Bhatia

Q. ‘.TMP’ extension refers usually to what kind of file?

Ans: Temporary File

Q. What is BIOS?

Ans: The term BIOS refers to the Basic Input/Output System. It facilitates the operation of all input/output devices. It also helps with the start-up and initialization of all devices throughout the boot process.

Q. In the United States the television broadcast standard is…?

Ans: NTSC

Q. ‘.JPG’ extension refers usually to what kind of file?

Ans: Image File

Q. What does AM mean?

Ans: Amplitude modulation

Q. What year was the “@” chosen for its use in e-mail addresses?

Ans: 1972

Q. ‘.TXT’ extension refers usually to what kind of file?

Ans: Text File

Q. What was the first ARPANET message? 

Ans: “lo”

Q. “FET” is a type of transistor, Its full name is ____ Effect Transistor…?

Ans: Field

Q. ‘DTP’ computer abbreviation usually means ?

Ans: Desktop Publishing

Q. ‘CD’ computer abbreviation usually means ?

Ans: Compact Disc

Q. ‘.BAK’ extension refers usually to what kind of file?

Ans: Backup file

Q. Where is the headquarters of Intel located?

Ans: Santa Clara, California

Q. Who co-created the UNIX operating system in 1969 with Dennis Ritchie?

Ans: Ken Thompson

Q. Voltage is sometimes referred to as EMF, or Electromotive…?

Ans: Force

Q. AM means?

Ans: Amplitude modulation

Q. ‘.BAT’ extension refers usually to what kind of file? 

Ans: System file

Q. What does EPROM stand for?

Ans: Erasable Programmable Read Only Memory

Q. What was the active medium used in the first working laser ever constructed?

Ans: A ruby rod