Introduction to Computing MCQs with Answers
Practice important Introduction to Computing MCQs with answers and explanations.
Multiple Choice Questions
Q511: What role does temporal masking play in MP3 compression?
- A: It helps remove details that are not detectable immediately after a loud sound
- B: It increases the bit rate for better sound quality
- C: It reduces the color depth of audio signals
- D: It enhances the frequency range of audio
View Answer
A
Q512: How does frequency masking contribute to MP3 compression?
- A: It allows louder sounds to mask softer sounds at nearby frequencies
- B: It improves the resolution of audio signals
- C: It adds additional frequencies to the audio
- D: It reduces the dynamic range of audio
View Answer
A
Q513: What are the three main parts of a CPU?
- A: Arithmetic/Logic Unit, Control Unit, Register Unit
- B: Arithmetic Unit, Memory Unit, I/O Unit
- C: Control Unit, Memory Unit, Storage Unit
- D: Arithmetic Unit, I/O Unit, Bus Unit
View Answer
A
Q514: What is the function of the arithmetic/logic unit in a CPU?
- A: Performs operations on data
- B: Coordinates machine activities
- C: Transfers data to and from memory
- D: Manages power supply to the CPU
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A
Q515: What is the role of the control unit in a CPU?
- A: Coordinates the machine’s activities
- B: Performs mathematical calculations
- C: Stores temporary data
- D: Connects the CPU to the memory
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A
Q516: What do general-purpose registers in a CPU do?
- A: Serve as temporary holding places for data
- B: Directly perform arithmetic operations
- C: Store data permanently
- D: Manage CPU power consumption
View Answer
A
Q517: How does the CPU transfer data from memory to registers?
- A: By supplying the address and an electronic signal
- B: By directly writing data to the memory
- C: By performing calculations on the data
- D: By activating the control unit only
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A
Q518: What is the purpose of the bus in a CPU system?
- A: To transfer data between the CPU and main memory
- B: To increase the CPU's processing speed
- C: To store data temporarily
- D: To connect the CPU to external devices
View Answer
A
Q519: What does the CPU do to store data in memory?
- A: Provides the address and data along with a store signal
- B: Directly writes data to the registers
- C: Calculates the data and sends it to the control unit
- D: Reads data from external storage devices
View Answer
A
Q520: What is involved in adding two values stored in main memory?
- A: Transferring data to registers, performing addition, and storing the result
- B: Performing addition directly in main memory
- C: Sending the data to external devices for processing
- D: Calculating the result in the control unit
View Answer
A