Technology & Computer Awareness Important Points All Exams
Computer-Awareness
- American Institute of Electrical Engineers (AIEE) founded? – 1880s
- “OS” stands for– Operating System
- the first transatlantic radio broadcast occur? – 1900s
- ‘.MOV’ extension refers usually to what kind of file? – Animation/movie file
- Which is a type of Electrically-Erasable Programmable Read-Only Memory? – Flash
- The purpose of choke in tube light is ? – To increase the voltage momentarily
- ‘.MPG’ extension refers usually to what kind of file? – Animation/movie file
- Who developed Yahoo? – David Filo & Jerry Yang
- VHS stands for…? – Video Home System
- VVVF stand for? – Variable Voltage Variable Frequency
- What frequency range is the High Frequency band? – 3 to 30 MHz
- The first step to getting output from a laser is to excite an active medium. What is this process called? – Pumping
- What is the relationship between resistivity r and conductivity s? – R = 1/s
- Which motor is NOT suitable for use as a DC machine? – Squirrel cage motor
- What does the term PLC stand for? – Programmable Logic Controller
- ‘DB’ computer abbreviation usually means ? – Database
- ‘.INI’ extension refers usually to what kind of file? – Systemfile
- The sampling rate, (how many samples per second are stored) for a CD is…? 44.1 kHz
- Who created Pretty Good Privacy (PGP)? Phil Zimmermann
- 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.? WAN
- WAN stands for? – Wide Area Network
- Who co-founded Hotmail in 1996 and then sold the company to Microsoft? Sabeer Bhatia
- ‘.TMP’ extension refers usually to what kind of file? Temporary File
- In the United States the television broadcast standard is…? NTSC
- ‘.JPG’ extension refers usually to what kind of file? Image File
- What does AM mean? Amplitude modulation
- what year was the “@” chosen for its use in e-mail addresses? 1972
- ‘.TXT’ extension refers usually to what kind of file? Text File
- What was the first ARPANET message? “lo”
- “FET” is a type of transistor, Its full name is ________ Effect Transistor…? Field
- ‘DTP’ computer abbreviation usually means ? Desktop Publishing
- ‘CD’ computer abbreviation usually means ? Compact Disc
- ‘.BAK’ extension refers usually to what kind of file? Backup file
- Where is the headquarters of Intel located? Santa Clara, California
- Who co-created the UNIX operating system in 1969 with Dennis Ritchie? Ken Thompson
- Voltage is sometimes referred to as EMF, or Electromotive…? Force
- AM means? Amplitude modulation
- ‘.BAT’ extension refers usually to what kind of file? Systemfile
- What does EPROM stand for? Erasable Programmable Read Only Memory
- What was the active medium used in the first working laser ever constructed? A ruby rod
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Technology & Computer Awareness Important Points All Exams
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March 03, 2022
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