Computer Science Topics
Postgraduate level — Computer Science
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Basic Computers
Algorithms
Data Structures
Operating Systems
DBMS
Computer Networks
quiz Questions
Q151
In basic computer hardware numbering systems, what is the exact decimal value represented by the binary code sequence 0011?
1
2
3
4
Explanation
To convert the binary code 0011 to its decimal equivalent, calculate the positional base-2 tracking columns: (0 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰) = 0 + 0 + 2 + 1 = 3.
Q152
Which type of foundational computer logic gate outputs a binary '0' if and only if both of its input bits are simultaneously set to '0'?
AND Gate
OR Gate
XOR Gate
NAND Gate
Explanation
The OR gate outputs a binary '1' if at least one input is '1'. It generates a binary '0' only when all of its input bits are simultaneously set to '0'.
Q153
Which high-speed hardware bus architecture parameter represents the absolute physical line capacity width used to transmit control signals from the CPU to peripherals?
Data Bus
Address Bus
Control Bus
Expansion bus line
Explanation
The Control Bus is responsible for transmitting operational command pulses, read/write directions, and clock synchronization markers generated by the Control Unit.
Q154
What is the primary technical objective of the system BIOS firmware executing a Power-On Self-Test (POST) sequence natively during hard boot configurations?
To index dynamic local application data clusters
To verify the structural readiness and operational safety of physical hardware components upon hard power startup
To permanently translate source script structures into high-level byte formats
To clear temporary internet file history and cookies tracking indices
Explanation
The primary purpose of POST is to perform a diagnostic sweep verifying that essential hardware infrastructure components (such as memory sub-modules and CPU caches) are operationally sound before initializing the bootstrap loader loop.
Q155
Which measurement unit represents the base storage capacity parameter containing exactly 1024 Gigabytes (GB) inside standardized binary processing data tracking scales?
1 Megabyte (MB)
1 Terabyte (TB)
1 Petabyte (PB)
1 Exabyte (EB)
Explanation
In standard computer hardware file tracking systems mapped across binary parameters, exactly 1024 Gigabytes (GB) structurally combine to define 1 Terabyte (TB).
Q156
In basic computer hardware math, what is the exact decimal value represented by the binary code sequence 0010?
1
2
3
4
Explanation
To convert the binary code 0010 to its decimal equivalent, calculate the positional base-2 weights: (0 × 2³) + (0 × 2²) + (1 × 2¹) + (0 × 2⁰) = 0 + 0 + 2 + 0 = 2.
Q157
Which type of foundational computer logic gate outputs a binary '0' if at least one of its input bits is set to '1'?
NAND Gate
NOR Gate
XOR Gate
XNOR Gate
Explanation
The NOR gate functions as an inverted OR gate. It generates a '1' output only when all its inputs are simultaneously '0'. If any input bit transitions to '1', the output cleanly drops to '0'.
Q158
Which essential internal computer bus pipeline is explicitly configured to transmit read/write command indicators from the CPU to the primary system memory sub-modules?
Data Bus
Address Bus
Control Bus
Expansion bus line
Explanation
The Control Bus carries control and timing signals generated by the Control Unit (CU) to coordinate and manage access to data and address pipelines throughout the device infrastructure.
Q159
What is the name of the volatile high-speed hardware memory buffer built with Static RAM (SRAM) circuits that resides directly between the ultra-fast CPU registers and the slower main memory?
Virtual Memory array
Cache Memory
Secondary Storage pool
EEPROM bios block
Explanation
Cache memory acts as an intermediate high-speed buffer storing copies of frequently executed instructions and data strings natively from the main memory, significantly reducing the processor's access latency.
Q160
Which data storage capacity value corresponds precisely to exactly 1024 Kilobytes (KB) inside standardized binary processing data tracking scales?
1 Byte frame
1 Megabyte (MB)
1 Gigabyte (GB)
1 Terabyte (TB)
Explanation
Following base-2 binary computing system metrics configured across common file storage layouts, exactly 1024 Kilobytes (KB) bundle together to equal 1 Megabyte (MB).