BPSC Assistant Engineer 2021 – Written question & solution
Questions from the BPSC Assistant Engineer recruitment exam, 2021 – Written, shared by the candidates who sat it. The paper: 10 written questions. So far 16 written questions have been shared. Topics include Digital Logic, Computer Networks, DBMS, Mathematics and Data Structure.
Written (16)
- (a) What is meant by Encryption and Decryption? (b) Write down the purpose of Certification Authority (CA) in Digital Signature.
- (a) Draw the logic diagram of a Half-Adder and the truth table of a Full-Adder, and use Half-Adders and basic gates to build a Full-Adder…
- (a) A comparator has two inputs A= A₁A₀ and B= B₁B₀ and one output F. Output becomes one whenever the value of A>B (i) Show the truth…
- (a) Why do we need NAT? What are its advantages? Draw a topology diagram to explain NAT. (b) Explain the message flow between a DHCP…
- (a) How can VPN provide secure communication platform? Explain site-to-site VPN and remote-access VPN using necessary figures. (b)…
- (a) What is the usable number of host IP addresses available on a network that has a /26 mask? Write down the subnet mask of this network…
- (a) Distinguish between table and view in database management system. (b) What are the purposes of using a foreign key in a database? Give…
- (a) While converting an E-R diagram into tables, how is a many-to-many relationship set between entities A and B converted into database…
- (a) Distinguish between black box and white box testing. Give examples of both type of testing (b) Why are constructor and destructor…
- (a) Out of ten families, six families have dogs, four have cats and two have neither cats nor dogs. Find the number of families that have…
- (ক) Linear Search অ্যালগরিদম কী? এই অ্যালগরিদম এর best case এবং worst case complexity বর্ণনা করুন। (খ) Stack এর operation গুলি সংক্ষেপে…
- (ক) নিম্নলিখিত Boolean Function টি সংক্ষিপ্ত আকারে লিখুন: F(A,B,C,D) = ĀB̄C̄ + B̄CD̄ + ĀBCD̄ + AB̄C̄ (খ) Combinational এবং Sequential…
- (ক) নিম্নলিখিত Expression টি evaluate করুন: 3 2 * 2 ↑ 5 3 – 8 4 / * - (খ) দেখাও যে, (p^q) → (pvq) is a tautology.
- (ক) নিচের সিরিজ টি ক্যালকুলেটর এবং প্রিন্ট করার জন্য একটি C Program লিখুন। 1 + 2 + 3 + ... + 100 (খ) তোমার ক্লাসের ছাত্রদের তালিকা Sort…
- (ক) A/D Converter দ্বারা কিভাবে একটি Analog signal Digital signal এ রূপান্তরিত করা হয়। ডায়াগ্রাম সহ লিখুন। (খ) Typical মাইক্রোকম্পিউটারে…
- (ক) Set, Power set এবং Proper set কী? Membership table এর মাধ্যমে প্রমাণ করুন যে, AU(B∩C)‾ = (C̄∪B̄)∩Ā। এখানে A, B, C এগুলো Sets. (খ) যদি…