Computer Science Topics
Postgraduate level — Computer Science
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Basic Computers
Algorithms
Data Structures
Operating Systems
DBMS
Computer Networks
quiz Questions
Q131
In basic computer hardware math, what is the exact decimal value represented by the binary code sequence 0111?
5
6
7
8
Explanation
To convert the binary number 0111 to its decimal equivalent, calculate the positional base-2 tracking columns: (0 × 2³) + (1 × 2²) + (1 × 2¹) + (1 × 2⁰) = 0 + 4 + 2 + 1 = 7.
Q132
Which type of foundational computer logic gate outputs a binary '1' if and only if its two input bits are structurally different from each other?
AND Gate
OR Gate
XOR Gate
NOR Gate
Explanation
The Exclusive OR (XOR) gate outputs a '1' only when the inputs are complementary (one input is 0 and the other is 1). If both inputs are identical (both 0 or both 1), it outputs a '0'.
Q133
Which basic hardware peripheral translates audio sound waves into an electrical analog signal matrix that can be digitized by a computer's sound card?
Speaker unit
Microphone device
Synthesizer panel
Amplifier frame
Explanation
A Microphone serves as an acoustic-to-electric transducer or sensor that converts sound waves in the air into analog electrical signals, acting natively as an audio input device for computer processing configurations.
Q134
What is the primary operational difference separating static RAM (SRAM) from dynamic RAM (DRAM) setups natively within basic computing systems?
SRAM requires continuous dynamic refresh loops whereas DRAM retains bit states passively
SRAM holds data continuously inside transistor flip-flops without mandate refresh cycles
SRAM operates entirely as a non-volatile optical read-only matrix chip natively
SRAM completely bypasses internal CPU address bus tracking line configurations
Explanation
SRAM uses latching circuitry (flip-flops with multiple transistors) to hold data without needing refresh loops, making it ultra-fast and ideal for cache spaces. DRAM uses single capacitors that lose charge rapidly, requiring constant dynamic refreshing cycles.
Q135
Which measurement unit represents the base storage capacity parameter containing exactly 1024 Megabytes (MB) inside standardized processing frameworks?
1 Kilobyte (KB)
1 Gigabyte (GB)
1 Terabyte (TB)
1 Petabyte (PB)
Explanation
In computer data tracking system layouts, exactly 1024 Megabytes (MB) map mathematically to equal exactly 1 Gigabyte (GB) based on binary computer base-2 configuration metrics.
Q136
In basic computer hardware numbering systems, what is the exact decimal value represented by the binary code sequence 1111?
12
14
15
16
Explanation
To convert the binary number 1111 to its decimal equivalent, calculate the positional base-2 tracking columns: (1 × 2³) + (1 × 2²) + (1 × 2¹) + (1 × 2⁰) = 8 + 4 + 2 + 1 = 15.
Q137
Which type of foundational computer logic gate outputs a binary '1' if and only if both of its input bits are simultaneously set to '0'?
NAND Gate
NOR Gate
XOR Gate
XNOR Gate
Explanation
The NOR gate operates as an inverted OR gate (Not OR). It produces a '1' output only when all its inputs are '0'. For any other combination where at least one input is '1', it outputs a '0'.
Q138
Which high-speed hardware component acts as an auxiliary storage processor to handle complex graphic rendering loops and vector coordinate calculations, offloading visual tasks from the primary CPU?
Math Coprocessor
Graphics Processing Unit (GPU)
DMA Controller
Interrupt multiplexer
Explanation
A Graphics Processing Unit (GPU) is a specialized electronic circuit designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display device.
Q139
What is the name of the volatile system buffer memory built with Static RAM (SRAM) circuits that sits between the ultra-fast CPU registers and the slower main memory (DRAM)?
Virtual Memory array
Cache Memory
Flash Storage block
EEPROM bios module
Explanation
Cache memory is a small, high-speed hardware buffer designed natively to store copies of frequently accessed data and software code instructions from the main memory, significantly reducing system access latency.
Q140
Which measurement unit represents the base storage capacity parameter containing exactly 1024 Terabytes (TB) inside standardized binary data tracking metrics?
1 Gigabyte (GB)
1 Petabyte (PB)
1 Exabyte (EB)
1 Zettabyte (ZB)
Explanation
In computer data tracking system configurations following the base-2 scale, exactly 1024 Terabytes (TB) combine together to form 1 Petabyte (PB).