UPSC CAPF AC 2025 Paper 1 · Question 120

Question 120 of the UPSC CAPF (AC) 2025 Paper I (3 August 2025). Try it first, then open the answer and explanation.

1. CAPF 2025 · P-I · Q120 · General Science · Science & Technology

   1 gigabyte in binary system is equivalent to

   1. 1000 kilobytes
   2. 1024 megabytes
   3. 1200 megabytes
   4. 10000 kilobytes

   बाइनरी सिस्टम में 1 गीगाबाइट किसके समतुल्य है?

   1. 1000 किलोबाइट
   2. 1024 मेगाबाइट
   3. 1200 मेगाबाइट
   4. 10000 किलोबाइट
   Show answer

   Answer: (2) 1024 megabytes

   उत्तर: (2) 1024 मेगाबाइट

   In the binary system each unit is 2^10 = 1024 times the one below it, so 1 GB = 1024 MB (= 2^30 bytes). 1 GB is about a million kilobytes, so 1000 KB and 10000 KB are far too small.

Answer it in the practice appMake a topic-wise quiz