Computer Aptitude Questions for SBI PO 2017

Q1. Which among the following is an appropriate binary conversion for the number 421 (which is of base 10)?
(a) 10101010
(b) 11010100
(c) 10011001
(d) 110100101 
(e) 010101010

Q2. If A and B are two input ends of AND logic gate and AB is the only output. What will be the output if the input is A=1 and B=0?
(a) 1
(b) 0
(c) 101
(d) 01
(e) 10

Q3. If ∆ represents ‘1’ and ○ represents ‘0’. What will be the one’s complement of – ○∆∆○○∆?
(a) 011001
(b) 100110 
(c) 101010
(d) 000000
(e) 111111

Q4.  Following diagram depicts which logic gate?

(a) NOR gate
(b) NOT gate 
(c) OR gate
(d) NAND gate
(e) None of the above

Q5. Which of the following is a correct set of hexadecimal digits?
(a) 102n
(b) a19fk
(c) ZOLO12
(d) FACE
(e) 0101xx

Q6. Which of the following is a Logical Conjunction?
(a) AND gate 
(b) OR gate
(c) NOT gate
(d) both(a) and (b)
(e) All of the above

Q7. If Ӣ represents ‘1’ and Ṉ represents ‘0’. A and B are two input ends of OR logic gate and C is the only output. What will be the output if the input is A= Ӣ and B= Ӣ?
(a) Ṉ Ӣ
(b) Ṉ
(c) Ӣ 
(d) Ӣ Ṉ
(e) Ӣ Ṉ Ӣ

Directions (8-10) : 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. Using the given terminology answer the following questions. For example: 

∆ = 1
∆○∆ = 4, 0, 1 = 4+0+1
∆○ = 2

Q8. How will you represent ‘87’ in this code language?
(a) ○∆∆∆○∆∆
(b) ∆○∆○∆∆∆
(c) ∆∆○∆∆∆∆
(d) ∆○○∆○○∆
(e) ∆∆○∆∆∆○

Q9. What will be the code for ∆∆○○○∆○? 
(a) 98 
(b) 97 
(c) 90 
(d) 94 
(e) 99

Q10. What will be the code for one’s complement of ∆∆○∆? 
(a) 2 
(b) 3 
(c) 4 
(d) 5 
(e) 6

Q11. Frame relay operates in which of the following layers?
(a) Physical and Data Link layers 
(b) Data link and Network Layers
(c) Session Layer and Physical Layer
(d) Network Layer and Session layer
(e) Presentation Layer and Session Layer

Q12. How can we perform tasks on a computer without using the Windows graphical interface?
(a) By using command prompt window 
(b) By using Office 360
(c) By using control panel
(d) By connecting through the internet
(e) None of the above

Q13. What is the term used as basic transfer unit associated with a packet-switched network?
(a) MAC
(b) Datagram 
(c) Internet Protocol
(d) Bits
(e) None of the above

Q14. GIGO is a simple principle followed by Computers. GIGO stands for?
(a) Garbage In Garbage Out 
(b) Great Instructions Great Output
(c) Good Input Good Output
(d) Great Instructions Go Out
(e) Gnome Instructions Global Output

Q15. Given the following URL – http://www.example.com:80/path/to/myfile.html
Here – ‘www.example.com’, ‘:80’ and stand for _____ and ______ respectively.
(a) IP and source
(b) Domain Name and Port 
(c) File name and Path
(d) Path and Port
(e) IP and Locator