Last year in SBI PO and Clerk Mains Computer Aptitude questions came as a surprise to many candidates with a totally different pattern and approach. Today we’ll discuss such questions and the way to solve them.
In SBI exam computer section is along with reasoning ability in Mains, which is Phase-II of recruitment the process. These questions are a type of Coded Conversions of the number system.
First, understand the process of Decimal to Binary Conversion:
To convert decimal number 35 to its binary equivalent:
METHOD 1:Use short division by two with the remainder method.
METHOD 2: Write down the places of the digit in a binary number system and convert.
Directions (1-2) : Triangle represents ∆ (1) and circle represents ○ (0). If triangle appears in unit's place then its value is 1. If it appears in 10's place its value is doubled to 2 like that it continues. Questions based on this For example:
∆○∆ = 4, 0, 1 = 4+0+1
∆○ = 2
Q1. How will you represent ‘13’ in this code language?
(a) ∆∆○∆
(b) ○∆∆○
(c) ○∆∆∆
(d) ○∆○
SOL: 1101= ∆∆○∆
Q2. What will be the code for ∆∆○∆∆?
SOL: ∆∆○∆∆ = 11011
- http://www.bankersadda.com/2017/02/computer-aptitude-for-sbi-po.html
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