Computer Science Topics
Postgraduate level — Computer Science
Choose question count and time — session stays in your browser only.
filter_alt Topics
Basic Computers
Algorithms
Data Structures
Operating Systems
DBMS
Computer Networks
quiz Questions
Q101
In basic computer hardware numbering systems, what is the exact binary code representation for the hexadecimal value 'B'?
1010
1011
1100
1101
Explanation
The hexadecimal character 'B' represents the decimal value 11. Converting the decimal number 11 into a 4-bit binary sequence yields 1011, calculated as (1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰) = 8 + 0 + 2 + 1 = 11.
Q102
Which type of internal system bus pathway layout is bidirectional and natively configured to route data bits back and forth between the CPU and memory registers?
Address Bus
Data Bus
Control Bus line
Expansion I/O lane
Explanation
The Data Bus is a bidirectional hardware highway that moves information bits to and from the processor, memory spaces, and peripheral controllers, unlike the address bus which is unidirectional.
Q103
What is the key structural definition of a 'Warm Boot' routine performed inside operational computer systems natively?
Starting a computer from a completely powered-off state, initiating full POST routines
Restarting the system via software instructions without resetting hardware electrical power metrics
Permanently flushing non-volatile EEPROM storage spaces natively using radio signals
Migrating volatile micro-caches into optical disk partition tracking layouts
Explanation
A Warm Boot (or soft boot) occurs when an operating computer system is restarted via software instructions (such as a restart command) without disconnecting or cycling the physical electrical power rails, avoiding full hard-coded POST memory diagnostics.
Q104
Which basic computer hardware device uses an optical marking configuration designed natively to detect and decode dark pencil filled fields on pre-printed layout templates?
Magnetic Ink Character Reader (MICR)
Optical Mark Reader (OMR)
Bar Code Scanner matrix
Flatbed image digitizer engine
Explanation
An Optical Mark Reader (OMR) shines a light beam onto pre-formatted paper surfaces to determine the presence or absence of dark markings based on light reflection metrics, universally utilized to parse objective examination sheet frames.
Q105
Which data storage metrics value is mathematically equivalent to exactly 1024 Megabytes (MB) inside standardized processing frameworks?
1 Kilobyte (KB)
1 Gigabyte (GB)
1 Terabyte (TB)
1 Petabyte (PB)
Explanation
In compliance with binary computing base-2 configuration metrics used natively across basic hardware memory tracking frameworks, exactly 1024 Megabytes combine to form 1 Gigabyte (GB).
Q106
In basic computer hardware numbering systems, what is the exact binary code representation for the hexadecimal value 'E'?
1101
1110
1111
1011
Explanation
The hexadecimal character 'E' corresponds to the decimal value 14. Converting 14 into a 4-bit binary sequence yields 1110, calculated as (1 × 2³) + (1 × 2²) + (1 × 2¹) + (0 × 2⁰) = 8 + 4 + 2 + 0 = 14.
Q107
Which type of internal computer bus pipeline is explicitly configured to transmit read/write commands and clock synchronization pulses from the CPU to external memory modules?
Data Bus
Address Bus
Control Bus
Expansion I/O line
Explanation
The Control Bus is the specialized bus pathway used by the CPU to send timing signals, read/write commands, and interrupt signals to synchronize operations across all system hardware components.
Q108
What is the primary operational objective of the 'POST' (Power-On Self-Test) sequence executed natively by the system BIOS firmware during startup configurations?
To compile application software scripts into native byte streams
To diagnose and verify the baseline integrity of critical physical hardware components during hard bootstrap
To compress volatile cache directories permanently using local algorithms
To allocate dynamic IP configurations natively to the Ethernet peripheral matrix
Explanation
The primary objective of the Power-On Self-Test (POST) is to diagnose and verify the integrity of critical system hardware components (such as RAM registers, keyboard connectivity, and storage controllers) before initializing the OS bootstrap loader loop.
Q109
Which type of computer software utility operates natively as an optimization program by scanning disk matrices to locate and erase temporary internet caches, orphaned logs, and broken shortcut references?
System Cleaner / Cleanup tool
Assembler token builder
Device Driver installer
Linker asset loader
Explanation
A System Cleaner (or disk cleanup tool) is a specialized utility program engineered explicitly to optimize storage tracking space by locating and removing redundant system overhead files cleanly.
Q110
Which measurement unit represents the base storage capacity parameters containing exactly 1024 Gigabytes (GB) inside standardized binary processing layouts?
1 Megabyte (MB)
1 Terabyte (TB)
1 Petabyte (PB)
1 Exabyte (EB)
Explanation
Following binary tracking scales used natively across modern filesystem layouts, exactly 1024 Gigabytes combine together to form 1 Terabyte (TB).