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DESCO Previous Exam Question Solution:
Organization Name: Dhaka Electric Supply Company (DESCO)
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DESCO Exam Question Solution 2022
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DESCO Exam Date and Admit Download 2022
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DESCO Exam Question Solution 2019
Post Name And Vacancy:
1. Assistant Engineer (Technical)-38
2. Assistant Manager (Admin)-04
3. Sub -Assistant Engineer (Technical)-67
4. Junior Assistant Manager (Admin)- 07
5. Junior Assistant Manager (Finance & Accounts)- 20
6. Assistant Cable Jointer-02
7. Office Assistant- 17
8. Sub Station Attendant -28
9. Machine Operator- 02
10. Assistant Complaint Supervisor-22
11. Assistant Lineman-05
12. Receptionist-09
13. Electrician-02
14. Special Guard (KPI)- 04
15. Messenger-02
Total Vacancy: 229
Exam Date: 22 March 2019
Exam Time: 3:30 PM to 4:30 PM (1-hour exam)
Exam Taker: IBA, DU
Exam Type–MCQ.
DESCO recruitment test written Questions
1. Why we use Y connection in alternator?
loss is 1600 W.
যেকোন পরীক্ষার প্রশ্ন kamrulsan101@gmail.com এই ইমেইল পাঠালে আমরা সমাধান করে দেব।
Written Part
[Note: Questions serial may not match]
Q1. (i) Which type of JOIN is used to find not matched data from table?
(ii) In which keyword is used for retrieving data from table without duplicate row data?
(iii) What is the output of the following query –
SELECT *
FROM myTbale
WHERE id>0
ORDER BY id DESC, NAME DESC
(iv) Why indexing is used in database? How hash table works?
Q2. Java Programming: Write a class named Bicycle and create a constructor of its and initialize the class member names cadense as Integer, gear as Integer speed as Integer. Write another class MountainBike and create also a constructor of its and add this field seatHeight as Integer and a method to set its from this class and extend Bicycle class.
Q3. Write the output of the following program
#define MAX(A,B) ((A)>(B)) ? A:B
void main()
int i=1;
int j=2;
int val=max(++i,++j);
printf(“%d”,val);
}
[Note: My written variable may not match]
Q4. Write a program in any programming language to find maximum number from given three numbers.
Q5. Write the output of the following program
int sum(int val)
static int myResult=0;
myResult += val;
return myResult;
void main(){
int i, value;
for(i=1;i<10;i++)
value=sum(i);
printf(“%d”,value);
Q6. (i) Divide and Conquer method is used in
(a) Merge Sort
(b) Bubble Sort
(c) Quick Sort
(d) Both a & c
(ii) Dynamic programming approach is used to solve
(a) Dijkstra algorithm
(b) Kruskal’s Algoritm
(c) Prim’s Algorithm
(d) None of these
(iii) Binary search worst time complexity is
(a) O(n)
(b) O(1)
(c) O(log n)
(d) O(n^2)
Q7. A company have a web based survey system where visitor browse the website login page. Only authorized visitor can access this survey system by using username and password. After login, visitor get a survey form and submit by filling the required information.
Now draw the use-case diagram of this web based survey system.
Q8. Drawing interface from following diagram
Now draw a interface of this system for the user in a convenient way from where user get proper instruction.
Q9. IP related questions
Q10. Program analyzing and writing output
Q11. Fill out the table from given circuit
Q12. Describe different part of given microprocessor block diagram
Q13. Write the device name according to the given criteria. (This question is related with Router, Switch, Hub, Gateway)
MCQ Part : 60 Questions
[Note: Questions serial will not match. I just write up those here what I remembered]
Q1. Which countries prime minister has resigned after “Panama Papers” fallout?
(a) Belgium
(b) Korea
(c) Iceland
(d) Ireland
Q2. G-7 countries are UK, USA, Japan, France and
(a) Canada, Netherlands, Iceland
(b) Canada,Italy, Germany
(c) Italy, Netherlands, Chaina
(d) Germany, Italy, Netherlands
Q3. আরণ্যক কার লেখা ?
(a) শহীদুল্লাহ কায়সার
(b) বিভূতিভূষণ বন্দোপ্যাধায়
(c) শরৎচন্দ্র চট্টোপাধ্যায়
(d) আহসান হাবীব
Q4. বেগম রোকেয়া রচিত
(a) শেষের কবিতা
(b) সুলতানার স্বপ্ন
(c) জীবনের গান
(d) কোনটিই নয়
Q5. সঠিক বানান কোনটি
(a) মুমূর্ষু
(b)মূমূসূ
(c) মুমূর্ষূ
Q6. আঞ্চলিক ভাষার আপর নাম
(a) উপভাষা
(b) চলিত ভাষা
(c) সাধু ভাষা
(d) কথ্য ভাষা
Q7. বাক্যে কমা অপেক্ষা বেশি থামার প্রয়োজন হলে কোনটি ব্যবহার করতে হয় ?
(a) সেমিকোলন
(b) কোলন
(c) হাইপেন
(d) দাঁড়ি
Q8. যে নারীর হাসি সুন্দর
(a) সূচিস্মিতা
(b) সুচিস্মীতা
(c) সুচিস্মিতা
(d) সুচীস্মিতা
Q9. Which is the faster Memory?
(a) RAM
(b) Secondary Memory
(c) DRAM
(d) Cache
Q10. Which is not a application software?
(a) Redhat Linux
(b) MS Office
(c) Open Office
(d) Adobe illustrator
Q11. Microprocessor is used first in which generation computers?
(a) Second Generation
(b) Third Generation
(c) Fourth Generation
(d) Fifth Generation
Q12. When we browse internet, browser store some data in the computer. We are talking about
(a) Session
(b) File
(c) Memory
(d) Cookie
Q13. In client-server system what does the client program?
(a) Share data with other computer
(b) Serve information to others computer
(c) Control others connected computers
(d) Asked for information
Q14. What is the opposite word of accept
(a) Approve
(b) Boisterous
(c) Reject
(d) Elated
Q15. Who is the current president of FIFA?
(a) Daniel Burley Woolfall
(b) Rodolphe Seeldrayers
(c) Giovanni Infantino
(d) Sepp Blatter
Courtesy: To all authorities from where documents are collected
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DESCO Previous Exam Question Solution:
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