MRA Senior Computer Operator February 2023 – Written (IBA) question & solution

Questions from the MRA Senior Computer Operator recruitment exam, February 2023 – Written (IBA), shared by the candidates who sat it. The paper: 11 written questions. So far 11 written questions have been shared. Topics include Algorithm, Data Structure, Computer Networks, Coding and DBMS.

Written (11)

  1. Given IP address 200.1.2.0 make four equal subnets: (i) First block address (ii) Total usable hosts (iii) Mention block wise IP address
  2. Write a recursive process to build all binary strings of length n that do not have two consecutive 1's.
  3. Write a simple C program in which a function is called by value, and show its output: the previous value of the variable and the…
  4. Database Query: Employee (ID, First_name, Last_name, Joining_date, Salary) Employee_Info(Emp_ID, Designation) (i) Create both tables. (ii)…
  5. Derive given Boolean expression using only NAND gate. F = A'B'C'D' + AB'CD' + AB'C'D' + A'CD + A'B'CD'
  6. Binary tree implementation technique using an array.
  7. Discuss the advantages and disadvantages of storing the names of four groups of students using two-dimensional arrays, pointers to arrays…
  8. Computer A having time requirement for an instruction is 250 picoseconds and operations per instruction is 2.0, Computer B having time…
  9. Write ten sentences on "Big Data".
  10. Complexity calculation of a case given: Where a problem of n size is solved using dividing it in eight subproblems each having complexity…
  11. প্রধানমন্ত্রীর দশটি বিশেষ উদ্যোগ সম্পর্কে লিখুন।