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:
- Cold Boot/Hard Boot
- Warm Boot/Soft Boot
Q. What are the basics steps of booting process?
Ans. Basic steps are:
- The start-up
- Power On Self Test
- Loading OS
- System Configuration
- Loading system utilities
- 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
