Computer Science Topics
Postgraduate level — Computer Science
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Basic Computers
Algorithms
Data Structures
Operating Systems
DBMS
Computer Networks
quiz Questions
Q81
In binary computer number conversions, what is the exact decimal equivalent value represented by the binary code sequence 1110?
12
14
15
16
Explanation
To convert the binary code 1110 to its decimal equivalent, calculate the positional base-2 tracking columns: (1 × 2³) + (1 × 2²) + (1 × 2¹) + (0 × 2⁰) = 8 + 4 + 2 + 0 = 14.
Q82
Which type of system utility program is specifically designed to reduce fragmentations across secondary magnetic storage volumes, regrouping file sectors contiguously to optimize read-write latency?
Disk Defragmenter tool
Compiler parser stack
Device Driver engine
Linker asset loader
Explanation
A Disk Defragmenter is a core system utility tool that rearranges fragmented data sectors on a hard drive so that files are stored in contiguous blocks, maximizing disk performance and throughput speeds.
Q83
What technical parameter describes the basic operational mechanism of a 'Cold Boot' routine in computer hardware frameworks natively?
Starting a computer from a completely powered-off state, triggering full POST configurations
Restarting the software kernel via software instructions without resetting hardware electrical rails
Flushing the microprocessor's internal instruction registers dynamically using network commands
Suspending application loops into non-volatile optical backup storage matrices
Explanation
A Cold Boot (or hard boot) occurs when a computer system is started from a completely powered-off state, initiating a full hardware self-diagnostic routine (POST) before loading the primary OS kernel layers into volatile RAM.
Q84
Which basic hardware peripheral uses a specialized non-impact process where electrostatic charges attract fine dry ink toner particles to map digitized documents directly onto physical paper layers?
Dot Matrix impact unit
Laser Printer
Line impact drum engine
Thermal dye head printer
Explanation
A Laser Printer is a high-speed non-impact printer that characteristically utilizes a laser beam alongside electrostatic drums to bind dry toner dust particles precisely onto target document sheets.
Q85
Which measurement unit represents the base storage capacity parameter containing exactly 1024 Terabytes (TB) inside standard binary file metrics?
1 Gigabyte (GB)
1 Petabyte (PB)
1 Exabyte (EB)
1 Zettabyte (ZB)
Explanation
According to binary computing data frameworks, exactly 1024 Terabytes (TB) combine structurally together to form 1 Petabyte (PB).
Q86
In basic computer hardware numbering systems, what is the exact hexadecimal character representation for the decimal value 14?
C
D
E
F
Explanation
The hexadecimal system uses base-16 tracking. The numbers 0 to 9 are mapped identically, while values 10, 11, 12, 13, 14, and 15 are represented by characters A, B, C, D, E, and F respectively.
Q87
Which type of device driver component or software wrapper functions natively to parse high-level graphics primitives into raster pixel grids for physical display units?
Network Interface stack
Display Driver engine
Audio codec encoder
Serial bus link script
Explanation
A Display Driver or Graphics Card engine interfaces natively between the OS windowing loops and specialized video hardware chips to convert geometric coordinates into raster frames.
Q88
What critical diagnostic routine is natively executed by the system BIOS firmware inside the motherboard chips immediately upon turning on a hard-powered computer?
Disk defragmentation check
Power-On Self-Test (POST)
Virtual memory mapping optimization
Network handshake initialization
Explanation
The Power-On Self-Test (POST) is a built-in diagnostic program that systematically checks the integrity of vital hardware components like the CPU, RAM registers, and system storage controllers before system loading begins.
Q89
Which hardware architecture component handles direct binary calculation loops for floating-point mathematical computations when the primary processor lacks integrated numeric logic subunits natively?
Interrupt Controller block
Math Coprocessor (FPU)
DMA channel bridge
Graphics raster pipeline
Explanation
A Math Coprocessor (or Floating-Point Unit, FPU) is a specialized hardware subunit designed to offload highly complex fractional calculations and decimal exponent tracks from the main processor core pipelines.
Q90
Which measurement unit represents the base storage capacity parameter containing exactly 1024 Petabytes (PB) inside standardized binary processing layouts?
1 Terabyte (TB)
1 Exabyte (EB)
1 Zettabyte (ZB)
1 Yottabyte (YB)
Explanation
In computer systems tracking high-end binary data thresholds, 1 Exabyte (EB) is mathematically defined as exactly 1024 Petabytes (PB).