DESCO Sub-Assistant Engineer (CSE) 2019 – Written (BUET) question & solution
Questions from the DESCO Sub-Assistant Engineer (CSE) recruitment exam, 2019 – Written (BUET), shared by the candidates who sat it. The paper: 10 written questions. So far 10 written questions have been shared. Topics include Computer Architecture, Operating System, Computer Networks, Digital Logic and Coding.
Written (10)
- Write Linux command (i) File permission (ii) Remove file or folder (iii) Show IP address
- Identify the IP address: (i) 192.168.1.1 (ii) 1.1.191.168
- Simplify the expression: F(A,B,C)= ĀBC̄ + ĀB + ABC̄ + AC, using k-map.
- Find the output of the code: #include <stdio.h> #define x 9+2/4*3-2*4+(5-4)*3 void main(){ int i,y; y=6+3*3/5; i=x*x+y; printf("%d",i); }
- Write the differences between BIOS and EFI, and between a boot loader and firmware.
- In an arithmetic operation the result has even number of 1s and for another operation the result is zero. Now write the present status of…
- Given two tables are employee (id, name, salary, dept_id) and department (dept_id, dept_name), write SQL to find MAX salary and average…
- Prove that 1+2+3+4+…+n = n(n+1)/2
- Draw a (max/min) heap binary tree using 11 nodes.
- Write an algorithm whose complexity is O(log n).