Technology General Knowledge / Career Unit / University Of Technology

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| By Murtatha

Murtatha

Community Contributor

Quizzes Created: 3 | Total Attempts: 45,980

Questions: 10 | Attempts: 1,429 | Updated: Mar 21, 2023

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Questions and Answers

1.

What is part of a database that holds only one type of information?
- A.
  
  Report
- B.
  
  Field
- C.
  
  Record
- D.
  
  File
Correct Answer
B. Field

Explanation
A field is a part of a database that holds only one type of information. It represents a single attribute or characteristic of a record. For example, in a database of employees, a field could be "employee name" or "employee ID". Fields are used to store specific data within a record and allow for efficient organization and retrieval of information.

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2.

'OS' computer abbreviation usually means ?
- A.
  
  Order of Significance
- B.
  
  Open Software
- C.
  
  Operating System
- D.
  
  Optical Sensor
Correct Answer
C. Operating System

Explanation
The correct answer is "Operating System." In the context of computers, "OS" commonly refers to the Operating System. The Operating System is a software that manages computer hardware and software resources, provides services for computer programs, and allows users to interact with the computer. It is responsible for tasks such as managing memory, controlling peripherals, and facilitating communication between software and hardware components.

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3.

'.MOV' extension refers usually to what kind of file?
- A.
  
  Image file
- B.
  
  Animation/movie file
- C.
  
  Audio file
- D.
  
  MS Office document
Correct Answer
B. Animation/movie file

Explanation
The '.MOV' extension commonly refers to an animation/movie file. This file format is often used for storing video and audio data, making it suitable for movies, animations, and other multimedia content. It is a popular format supported by various media players and editing software.

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4.

Which is a type of Electrically-Erasable Programmable Read-Only Memory?
- A.
  
  Flash
- B.
  
  Flange
- C.
  
  Fury
- D.
  
  FRAM
Correct Answer
A. Flash

Explanation
Flash is a type of Electrically-Erasable Programmable Read-Only Memory (EEPROM). It is a non-volatile memory technology that allows for the erasing and reprogramming of data electronically. Flash memory is commonly used in devices such as USB drives, solid-state drives, and memory cards. It is known for its high speed, durability, and low power consumption, making it a popular choice for storing data in various electronic devices.

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5.

'.MPG' extension refers usually to what kind of file?
- A.
  
  WordPerfect Document file
- B.
  
  MS Office document
- C.
  
  Animation/movie file
- D.
  
  Image file
Correct Answer
C. Animation/movie file

Explanation
The '.MPG' extension is commonly used to refer to animation/movie files. This file format is typically used to store video and audio data, making it suitable for movies, television shows, and other forms of multimedia content.

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6.

'.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
Correct Answer
B. System file

Explanation
The '.INI' extension usually refers to a system file. INI files are configuration files used by various software applications to store settings and preferences. These files contain plain text data that can be easily edited and read by both humans and computers. System files are essential for the proper functioning of an operating system or software program, and INI files play a crucial role in storing important configuration information.

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7.

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
Correct Answer
D. Variable Voltage Variable Frequency

Explanation
VVVF stands for Variable Voltage Variable Frequency. This term is commonly used in the field of electrical engineering and refers to a control method for regulating the speed and torque of an electric motor. By varying both the voltage and frequency supplied to the motor, the speed and output power can be adjusted as needed. This technique is commonly used in applications such as electric traction systems, elevator control, and industrial motor control.

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8.

What frequency range is the High Frequency band?
- A.
  
  100 kHz
- B.
  
  1 GHz
- C.
  
  30 to 300 MHz
- D.
  
  3 to 30 MHz
Correct Answer
D. 3 to 30 MHz

Explanation
The High Frequency band is typically defined as the range of frequencies between 3 to 30 MHz. This frequency range is commonly used for various applications such as aviation communications, shortwave broadcasting, and amateur radio. It is characterized by its ability to propagate over long distances via skywave propagation, allowing for long-range communication.

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9.

'DB' computer abbreviation usually means ?
- A.
  
  Database
- B.
  
  Double Byte
- C.
  
  Data Block
- D.
  
  Driver Boot
Correct Answer
A. Database

Explanation
The computer abbreviation 'DB' commonly stands for Database. A database is an organized collection of data that can be easily accessed, managed, and updated. It is used to store and retrieve information efficiently, making it an essential component in various applications and systems.

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10.

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
Correct Answer
C. 44.1 kHz

Explanation
The correct answer is 44.1 kHz. This is the standard sampling rate for audio CDs. It means that 44,100 samples of audio are taken per second and stored on the CD. This sampling rate is chosen because it is capable of accurately capturing the full range of human hearing, which typically extends up to 20 kHz.

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Current Version
Mar 21, 2023

Quiz Edited by
ProProfs Editorial Team
Apr 28, 2015

Quiz Created by
Murtatha

Technology General Knowledge / Career Unit / University Of Technology

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

'OS' computer abbreviation usually means ?

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

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

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

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

What does VVVF stand for?

What frequency range is the High Frequency band?

'DB' computer abbreviation usually means ?

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