Explore topic-wise MCQs in General Knowledge.

This section includes 186 Mcqs, each offering curated multiple-choice questions to sharpen your General Knowledge knowledge and support exam preparation. Choose a topic below to get started.

1.

What is part of a database that holds only one type of information?

A. Report
B. Field
C. Record
D. File
Answer» C. Record
2.

'.BAT' extension refers usually to what kind of file?

A. Compressed Archive file
B. System file
C. Audio file
D. Backup file
Answer» C. Audio file
3.

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

A. Field
B. Factor
C. Flash
D. Force
Answer» E.
4.

In which decade was the ARRL founded?

A. 1940s
B. 1930s
C. 1920s
D. 1910s
Answer» E.
5.

'CD' computer abbreviation usually means ?

A. Command Description
B. Change Data
C. Copy Density
D. Compact Disc
Answer» E.
6.

'.BAK' extension refers usually to what kind of file?

A. Backup file
B. Audio file
C. Animation/movie file
D. MS Encarta document
Answer» B. Audio file
7.

Where is the headquarters of Intel located?

A. Redmond, Washington
B. Tucson, Arizona
C. Santa Clara, California
D. Richmond, Virginia
Answer» D. Richmond, Virginia
8.

Compact discs, (according to the original CD specifications) hold how many minutes of music?

A. 74 mins
B. 56 mins
C. 60 mins
D. 90 mins
Answer» B. 56 mins
9.

Once the active medium is excited, the first photons of light are produced by which physical process?

A. Blackbody radiation
B. Spontaneous emission
C. Synchrotron radiation
D. Planck s oscillation
Answer» C. Synchrotron radiation
10.

'DTP' computer abbreviation usually means ?

A. Digital Transmission Protocol
B. DeskTop Publishing
C. Data Type Programming
D. Document Type Processing
Answer» C. Data Type Programming
11.

The average power (in watts) used by a 20 to 25 inch home color television is...?

A. 70-100
B. 25-50
C. 500-800
D. Over 1000
Answer» B. 25-50
12.

What does AC and DC stand for in the electrical field?

A. Alternating Current and Direct Current
B. A Rock Band from Australia
C. Average Current and Discharged Capacitor
D. Atlantic City and District of Columbia
Answer» B. A Rock Band from Australia
13.

"FET" is a type of transistor, Its full name is ________ Effect Transistor...?

A. Field
B. Factor
C. Flash
D. Force
Answer» B. Factor
14.

What are three types of lasers?

A. Gas, metal vapor, rock
B. Pointer, diode, CD
C. Diode, inverted, pointer
D. Gas, solid state, diode
Answer» E.
15.

The NTSC (National Television Standards Committee) is also used in the country of...?

A. Japan
B. France
C. Germany
D. England
Answer» B. France
16.

'.JPG' extension refers usually to what kind of file?

A. System file
B. Animation/movie file
C. MS Encarta document
D. Image file
Answer» E.
17.

What does AM mean?

A. Angelo marconi
B. Anno median
C. Amplitude modulation
D. Amperes
Answer» D. Amperes
18.

In what year was the "@" chosen for its use in e-mail addresses?

A. 1976
B. 1972
C. 1980
D. 1984
Answer» C. 1980
19.

What will a UPS be used for in a building?

A. To provide power to essential equipment
B. To monitor building electricity use
C. To carry messages between departments
D. To control lighting and power systems
Answer» B. To monitor building electricity use
20.

'.TXT' extension refers usually to what kind of file?

A. Text File
B. Image file
C. Audio file
D. Adobe Acrobat file
Answer» B. Image file
21.

What was the first ARPANET message?

A. "lo"
B. "hello world"
C. "mary had a little lamb"
D. "cyberspace, the final frontier"
Answer» B. "hello world"
22.

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

A. PAL
B. NTSC
C. SECAM
D. RGB
Answer» C. SECAM
23.

Which consists of two plates separated by a dielectric and can store a charge?

A. Inductor
B. Capacitor
C. Transistor
D. Relay
Answer» C. Transistor
24.

In which year was MIDI(Musical Instrument Digital Interface) introduced?

A. 1987
B. 1983
C. 1973
D. 1977
Answer» C. 1973
25.

In a color television set using a picture tube a high voltage is used to accelerate electron beams to light the screen. That voltage is about...?

A. 500 volts
B. 5 thousand volts
C. 25 thousand volts
D. 100 thousand volts
Answer» D. 100 thousand volts
26.

The transformer that develops the high voltage in a home television is commonly called a...?

A. Tesla coil
B. Flyback
C. Yoke
D. Van de Graaf
Answer» C. Yoke
27.

What do we call a collection of two or more computers that are located within a limited distance of each other and that are connected to each other directly or indirectly?

A. Inernet
B. Interanet
C. Local Area Network
D. Wide Area Network
Answer» D. Wide Area Network
28.

In which decade was the SPICE simulator introduced?

A. 1950s
B. 1960s
C. 1970s
D. 1980s
Answer» D. 1980s
29.

Most modern TV's draw power even if turned off. The circuit the power is used in does what function?

A. Sound
B. Remote control
C. Color balance
D. High voltage
Answer» C. Color balance
30.

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

A. Flash
B. Flange
C. Fury
D. FRAM
Answer» B. Flange
31.

The purpose of choke in tube light is ?

A. To decrease the current
B. To increase the current
C. To decrease the voltage momentarily
D. To increase the voltage momentarily
Answer» E.
32.

Who is largely responsible for breaking the German Enigma codes, created a test that provided a foundation for artificial intelligence?

A. Alan Turing
B. Jeff Bezos
C. George Boole
D. Charles Babbage
Answer» B. Jeff Bezos
33.

Who developed Yahoo?

A. Dennis Ritchie & Ken Thompson
B. David Filo & Jerry Yang
C. Vint Cerf & Robert Kahn
D. Steve Case & Jeff Bezos
Answer» C. Vint Cerf & Robert Kahn
34.

Made from a variety of materials, such as carbon, which inhibits the flow of current...?

A. Choke
B. Inductor
C. Resistor
D. Capacitor
Answer» D. Capacitor
35.

What frequency range is the High Frequency band?

A. 100 kHz
B. 1 GHz
C. 30 to 300 MHz
D. 3 to 30 MHz
Answer» E.
36.

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

A. Pumping
B. Exciting
C. Priming
D. Raising
Answer» B. Exciting
37.

What is the relationship between resistivity r and conductivity s?

A. R = s2
B. R = s
C. R > s
D. R = 1/s
Answer» E.
38.

After the first photons of light are produced, which process is responsible for amplification of the light?

A. Blackbody radiation
B. Stimulated emission
C. Planck's radiation
D. Einstein oscillation
Answer» C. Planck's radiation
39.

What does the term PLC stand for?

A. Programmable Lift Computer
B. Program List Control
C. Programmable Logic Controller
D. Piezo Lamp Connector
Answer» D. Piezo Lamp Connector
40.

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

A. Permanent magnet motor
B. Series motor
C. Squirrel cage motor
D. Synchronous motor
Answer» D. Synchronous motor
41.

A given signal's second harmonic is twice the given signal's __________ frequency...?

A. Fourier
B. Foundation
C. Fundamental
D. Field
Answer» D. Field
42.

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

A. 48.4 kHz
B. 22,050 Hz
C. 44.1 kHz
D. 48 kHz
Answer» D. 48 kHz
43.

Who created Pretty Good Privacy (PGP)?

A. Phil Zimmermann
B. Tim Berners-Lee
C. Marc Andreessen
D. Ken Thompson
Answer» B. Tim Berners-Lee
44.

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.

A. URL (Universal Resource Locator)
B. LAN (Local Area Network)
C. WAN (Wide Area Network)
D. World Wide Web
Answer» D. World Wide Web
45.

'DB' computer abbreviation usually means ?

A. Database
B. Double Byte
C. Data Block
D. Driver Boot
Answer» B. Double Byte
46.

'.INI' extension refers usually to what kind of file?

A. Image file
B. System file
C. Hypertext related file
D. Image Color Matching Profile file
Answer» C. Hypertext related file
47.

'.MPG' extension refers usually to what kind of file?

A. WordPerfect Document file
B. MS Office document
C. Animation/movie file
D. Image file
Answer» D. Image file
48.

The most common format for a home video recorder is VHS. VHS stands for...?

A. Video Home System
B. Very high speed
C. Video horizontal standard
D. Voltage house standard
Answer» B. Very high speed
49.

When measuring the characteristics of a small-signal amplifier, say for a radio receiver, one might be concerned with its "Noise..."?

A. Fundamental
B. Fall
C. Force
D. Figure
Answer» E.
50.

What does VVVF stand for?

A. Variant Voltage Vile Frequency
B. Variable Velocity Variable Fun
C. Very Very Vicious Frequency
D. Variable Voltage Variable Frequency
Answer» E.