Computer practice question for SSC. Select an option to check your answer, read the explanation and continue practicing.
How many function keys are present on a standard PC keyboard?
Correct Answerसही उत्तर
C. 12C. 12
Explanationव्याख्या
The correct answer is 12.
According to the source, there are 12 function keys on a standard PC keyboard.
Therefore the direct source-supported relationship is: Standard PC Keyboard — 12 Function Keys.
The values 10, 9 and 15 are distractors.
Function-key questions occur repeatedly in this computer section: the source has already associated F1 with opening Help and F7 with checking spelling and grammar in Microsoft programs, while the present question tests the total number of function keys rather than their individual functions.
Students can therefore connect the concepts: a standard PC keyboard contains 12 function keys, commonly referred to in sequence as function keys, while specific questions may test individual functions.
The source explanation is only one sentence and does not list the keys individually, discuss keyboard layouts, laptop variations, multimedia keyboards or alternative hardware.
Those details have not been added as source-derived information.
Since the book specifically says 'standard PC keyboard', that wording should be retained when learning the fact instead of assuming every possible keyboard design has exactly the same layout.
Quick revision: Standard PC Keyboard = 12 Function Keys.
Therefore option (c), 12, is correct.
सही उत्तर 12 है। स्रोत के अनुसार standard PC keyboard पर 12 function keys होती हैं। इसलिए direct source-supported relationship है: Standard PC Keyboard — 12 Function Keys। 10, 9 और 15 distractors हैं। इसी Computer section में function keys से जुड़े कई questions पहले भी आए हैं—F1 को Help खोलने से और F7 को Microsoft programs में spelling और grammar checking से जोड़ा गया है। Current question individual function नहीं बल्कि total number पूछता है। इसलिए revision में यह basic fact अलग से याद रखें: Standard PC Keyboard = 12 Function Keys। Source explanation केवल यही statement देती है और individual function keys की पूरी list, keyboard layouts, laptop variations, multimedia keyboards या alternative hardware के बारे में जानकारी नहीं देती। इसलिए outside information add नहीं की गई है। Book specifically 'standard PC keyboard' कहती है, इसलिए उसी context को preserve करना उचित है। Quick revision: Standard PC Keyboard → 12 Function Keys। इसलिए विकल्प (c), 12, सही उत्तर है।
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