कम्प्युटर र सूचना प्रविधि (प्राविधिक)
कम्प्युटर र सूचना प्रविधि (प्राविधिक)
Computer & IT (Technical) · ५,०७६ प्रश्न
५,०७६ प्रश्न उपलब्ध। मोड छान्नुहोस्:
कम्प्युटर र IT: प्रश्न र उत्तर
सही लागेको विकल्पमा थिच्नुहोस्। सही भए हरियो, गलत भए रातो देखिन्छ; ३ सेकेन्डपछि सही उत्तर र व्याख्या देखिन्छ।
सही: ० / ०
-
When sound from a microphone is recorded on a computer, the sound card converts the analog signal into digital form using a/an:
सही उत्तर: घ) analog-to-digital converter (ADC)
An ADC samples and quantises the analog signal; a DAC does the reverse when the sound is played back.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The magnetic ink character font widely used on bank cheques in countries such as the USA and India for MICR reading is:
सही उत्तर: क) E-13B
E-13B is the 14-character MICR font (digits plus four special symbols) used on cheques in the USA, India and many other countries.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
A thermal inkjet printer ejects droplets of ink by:
सही उत्तर: क) heating the ink so that a tiny vapour bubble pushes a droplet out
In thermal (bubble-jet) printers a heater vaporises a little ink and the expanding bubble forces a droplet from the nozzle; piezoelectric printers use a vibrating crystal instead.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In a laser printer, the image of the page is first formed as an electrostatic pattern on the:
सही उत्तर: ख) photosensitive drum
A laser discharges selected areas of the charged photosensitive drum; toner sticks to this pattern before being transferred to paper.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
ENIAC was originally built for the US Army mainly to:
सही उत्तर: क) calculate artillery firing tables
ENIAC was funded to compute ballistic (artillery firing) tables for the US Army's Ballistic Research Laboratory.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
ENIAC, the large first-generation computer completed in the mid-1940s, contained approximately how many vacuum tubes?
सही उत्तर: ग) About 18,000
ENIAC used roughly 17,500-18,000 vacuum tubes, weighed about 27 tonnes and occupied a large room.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
The processor performance measure MIPS stands for:
सही उत्तर: क) Million Instructions Per Second
MIPS counts how many millions of machine instructions a processor executes per second.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
One picosecond is equal to:
सही उत्तर: ख) 10^-12 second
Pico means 10^-12; milli, micro, nano and pico are successive factors of 1000 smaller.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
In the binary convention, one exabyte (EB) is equal to:
सही उत्तर: ख) 1024 petabytes
The order is TB, PB, EB, ZB, with each unit 1024 times the previous, so 1 EB = 1024 PB.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
-
Under the IEC binary prefixes, one kibibyte (KiB) is equal to:
सही उत्तर: ग) 1024 bytes
The IEC prefix 'kibi' means 2^10, so 1 KiB = 1024 bytes, while 1 kB in SI is 1000 bytes.
💬 टिप्पणी / गल्ती रिपोर्ट (०)
यी अभ्यास प्रश्न हुन्, आधिकारिक प्रश्न होइनन्। पाठ्यक्रम, विज्ञापन र नतिजाका लागि सम्बन्धित निकायको आधिकारिक वेबसाइट हेर्नुहोस्। उत्तरमा गल्ती भेटे प्रश्नमुनिको "टिप्पणी / गल्ती रिपोर्ट" मा लेख्नुहोस्।
नमस्ते! पाठ्यक्रम, सामान्य ज्ञान, भाषा परीक्षा वा कुनै प्रश्नको उत्तर बुझ्न सोध्नुहोस्।
AI ले गल्ती गर्न सक्छ। महत्वपूर्ण कुरा आधिकारिक स्रोतमा जाँच्नुहोस्।