Computer set 1 MCQs
Practice interactive objective questions for this topic. Select an option to instantly verify your answer and read detailed explanations.
Q.91
What critical SEO problem does implementing a 'canonical tag' directly resolve?
A
Slow server response times
B
Duplicate content dilution across multiple identical URLs
C
Images lacking alt text descriptions
D
High bounce rates
Q.92
In search engine information retrieval, what effect does the Inverse Document Frequency (IDF) metric have in TF-IDF calculations?
A
It heavily weights commonly used words like 'the' or 'and'
B
It penalizes words that appear too frequently across the entire corpus, boosting rare keywords
C
It counts the total number of images on the page
D
It determines the physical server location of the document
Q.93
What instruction does the 'noindex' directive inside a meta robots tag provide to web crawlers?
A
Do not follow the links on this page
B
Do not include this specific web page in public search engine results
C
Do not crawl the website faster than 1 request per second
D
Do not cache CSS files
Q.94
How do modern AI-powered search engines utilize vector embeddings?
A
To translate visual images into SQL tables
B
To map the semantic intent of queries and documents into a mathematical multi-dimensional space
C
To mine cryptocurrency using idle web traffic
D
To encrypt user search history permanently
Q.95
Which advanced search operator is used to guarantee that a specific multi-word phrase is returned in exact order?
A
Asterisk (*)
B
Tilde (~)
C
Quotation marks ("")
D
Minus sign (-)
Q.96
In the architecture of large-scale search engines, what is 'index sharding'?
A
Partitioning the massive inverted index database across multiple physical servers to allow parallel querying
B
Deleting old unvisited URLs from the registry
C
Compressing text data into binary format
D
Selling search data to third-party advertisers
Q.97
What primary benefit does implementing Schema Markup (structured data) provide for a website in search results?
A
It bypasses the need for backlinks
B
It provides explicit contextual clues that enable the display of rich snippets like star ratings or event dates
C
It guarantees a #1 ranking on Google
D
It blocks competitor analysis bots
Q.98
What is the technical distinction between the Deep Web and the Dark Web?
A
The Deep Web is illegal, while the Dark Web is legal
B
The Deep Web is just unindexed database content, while the Dark Web exists on overlay networks requiring special software
C
The Deep Web is for mobile users, the Dark Web is for desktop users
D
They are exactly the same concept with different names
Q.99
In classical Boolean search logic, which operator narrows a query's scope by mandating that multiple conditions must all be met?
Q.100
What consequence typically follows if a webmaster engages heavily in 'keyword stuffing'?
A
The website loads significantly faster
B
The search engine imposes an algorithmic penalty or manual demotion for manipulative spam
C
The website becomes immune to DDoS attacks
D
The domain authority doubles automatically
Q.101
In computer architecture, what does 'endianness' specifically refer to?
A
The maximum clock speed of a processor core
B
The sequential order in which bytes are arranged into larger numerical values in memory
C
The priority queue format for network packet transmission
D
The physical placement of L1 cache relative to the CPU logic units
Q.102
Which of the following best describes the classical observation known as Moore's Law?
A
Software efficiency halves every 18 months to compensate for hardware gains
B
The power consumption of a microchip doubles every two years
C
The number of transistors on a microchip doubles approximately every two years
D
Data storage costs increase exponentially as capacity increases
Q.103
What is the fundamental design philosophy behind a RISC processor architecture?
A
Utilizing a small, highly optimized set of instructions that execute in a single clock cycle
B
Embedding complex, multi-step instructions directly into the hardware to save memory
C
Relying entirely on cloud offloading for logical computations
D
Eliminating cache memory to reduce manufacturing costs
Q.104
According to Flynn's taxonomy, which architecture category applies to modern GPUs executing the same operation across massive datasets simultaneously?
A
SISD
B
MISD
C
MIMD
D
SIMD
Q.105
What role does branch prediction play in a modern CPU pipeline?
A
It maps virtual memory addresses to physical sectors
B
It guesses the outcome of an if-statement before it executes to keep the instruction pipeline full
C
It translates high-level code directly into binary
D
It determines the power voltage required for overclocking
Q.106
What is the specific function of microcode inside a microprocessor?
A
It manages peripheral USB drivers
B
It provides a graphical user interface for BIOS settings
C
It acts as a hardware-level interpreter translating complex machine instructions into basic circuit-level operations
D
It dynamically allocates RAM to background apps
Q.107
In system bus architecture, what is achieved through 'multiplexing'?
A
Sharing the same physical wire lines for both memory addresses and data at different times
B
Adding multiple redundant power supplies to the motherboard
C
Connecting multiple keyboards to a single terminal
D
Overclocking the Front Side Bus permanently
Q.108
What capability distinguishes a Hamming code from a standard simple parity check bit?
A
It compresses data by 50 percent
B
It encrypts data at the hardware layer
C
It can both detect and automatically correct single-bit memory errors
D
It functions without utilizing any CPU cycles
Q.109
When measuring CPU efficiency, what does the IPC metric signify?
A
Interrupts Per Core
B
Instructions Per Clock cycle
C
Internet Protocol Cache
D
Internal Paging Count
Q.110
Which CPU design technique actively prevents 'false data dependencies' (like Write-After-Write hazards) during execution?
A
Underclocking
B
Cache flushing
C
Thermal throttling
D
Register renaming
Q.111
What is the primary benefit of Out-of-Order (OoO) execution in modern microprocessors?
A
It allows the CPU to execute instructions as required data becomes available rather than strictly waiting in original program order
B
It allows malware to bypass firewall rules
C
It randomizes memory addresses for security
D
It writes to the hard drive backwards to prevent fragmentation
Q.112
How does Simultaneous Multithreading (SMT), commercialized as Hyper-Threading, boost performance?
A
By physically splitting a single silicon die into two separate chips
B
By presenting one physical core to the OS as two logical processors to better utilize idle execution units
C
By downloading extra processing power from the cloud
D
By halving the clock speed to reduce heat
Q.113
In runtime environments like Java or .NET, what does a JIT compiler do?
A
It compiles all code exclusively on the cloud server before download
B
It directly translates C++ into assembly without an intermediate language
C
It translates intermediate bytecode into native machine code at runtime just before execution
D
It checks syntax errors as the programmer types in the IDE
Q.114
What is the function of the Hardware Abstraction Layer (HAL) in an operating system?
A
It provides a uniform software interface to the OS kernel, hiding specific hardware differences
B
It acts as a physical firewall between the CPU and RAM
C
It provides the graphical desktop environment
D
It limits hardware performance to prevent overheating
Q.115
What classic Windows software issue is informally known as 'DLL Hell'?
A
When dynamic link libraries become infected with ransomware
B
When a compiler fails to locate standard C libraries
C
When programs refuse to uninstall cleanly
D
When conflicting or overwritten versions of shared library files cause applications to crash
Q.116
Which feature explicitly differentiates the open-source Apache License 2.0 from older permissive licenses like MIT?
A
It strictly prohibits commercial usage
B
It includes an explicit grant of patent rights from contributors to users
C
It requires all derivative works to become public domain
D
It forces developers to pay royalties
Q.117
How does task scheduling fundamentally differ in a Real-Time Operating System (RTOS) compared to a general-purpose OS like Windows?
A
RTOS allocates equal CPU time to every process regardless of importance
B
RTOS exclusively uses background polling instead of interrupts
C
RTOS uses strictly deterministic, preemptive priority scheduling to guarantee task execution within a strict timeframe
D
RTOS entirely disables multitasking
Q.118
What is the key architectural difference between application Containerization (like Docker) and Virtual Machines?
A
Containers share the host OS kernel, while VMs run entirely separate guest kernels
B
Containers require specialized server hardware to run
C
Virtual machines load instantly, whereas containers require a lengthy boot sequence
D
Containers can only run offline
Q.119
What fundamental storage limitation of the legacy MBR partition scheme does the GPT standard overcome?
A
MBR cannot format flash drives
B
MBR does not support active cooling fans
C
MBR cannot read optical CDs
D
MBR limits maximum partition size to roughly 2 Terabytes
Q.120
What occurs technically when a user program executes a 'System Call' (Syscall)?
A
The computer forcefully restarts
B
A software trap triggers a context switch, shifting the CPU from user mode to privileged kernel mode
C
The CPU enters an infinite polling loop
D
The program connects to an external network API