fbpx

Designed and built with care, filled with creative elements

Estd Yr 2000 Arya 1st Old Campus REAP Code : 14

Admission Contact

Dr Arun Arya

1800-266-2000 1800-266-2000 1800-266-2000

Contact for Admission

Arun Arya

Prof. (Dr.) Arun Arya

Estd Yr 2000 Arya 1st Old Campus REAP Code : 14

Admission Contact

Dr Arun Arya

1800-266-2000 1800-266-2000 1800-266-2000

Contact for Admission

Arun Arya

Prof. (Dr.) Arun Arya

Top
Best Computer Science and Engineering College in Jaipur

E-learning-cse

  /  E-learning-cse

E-Learning

S. No. Computer Architecture & Organization Unit-4 Input Output Organization Lect-01 By Er. Maneesh Singhal https://www.youtube.com/watch?v=o4mpuTyu7cY&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=96
1 Computer Architecture & Organization Unit-5 Memory Hierarchy & Types By Er. Maneesh Singhal https://www.youtube.com/watch?v=q_-FTJSHoQo&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=2
2 Microprocessor-Unit1-Demultiplexing of Address Data Bus By Er. Mohit Mishra https://www.youtube.com/watch?v=FO4nmy1ySnM&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=274
3 Microprocessor Unit-2 Addressing Modes By Er. Mohit Mishra https://www.youtube.com/watch?v=4kzLf2T99oI&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=211
4 Microprocessor Unit- 3 8259PIC By Er. Mohit Mishra https://www.youtube.com/watch?v=luI7SmdCo4E&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=6
5 Microprocessor-Unit5-8251USART RS232 RS422 By Er. Mohit Mishra https://www.youtube.com/watch?v=GtUyxU4ZVzU&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=279
6 Technical Communication Unit3 Comprehension of Tech. By Sunil Pathak https://www.youtube.com/watch?v=qIhAfv0RPOA&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=224
7 Technical Communication Unit-4 Advanced Technical Writing By Sunil Pathak https://www.youtube.com/watch?v=xwiSHgsYo3g&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=225
8 Technical Communication – Unit-5 – Technical Proposal By Sunil Pathak https://www.youtube.com/watch?v=ZJ0y4Iiwrmo&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=12
9 DCCN-Unit(I)- TCPIP,Digital Analog signal,Periodic Analog signal, Digital data trans By Priyanka https://www.youtube.com/watch?v=IUPMZL245PA&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=259
10 DCCN-unit(II)-Block & linear block coding Cyclic codes By Er. Priyanka Tiwari https://www.youtube.com/watch?v=wN_g5_ndfeE&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=265
11 DCCN – Unit-3 -Address Mapping Congestion Control QOS By Priyanka Tiwari https://www.youtube.com/watch?v=T9smrN05o_I&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=16
12 DCCN Unit-IV Leaky Bucket & Token Bucket Algorithm By Er. Priyanka Tiwari https://www.youtube.com/watch?v=6skUPs3OA2s&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=217
13 DCCN Unit-V DNS & Multimedia By Er. Priyanka Tiwari https://www.youtube.com/watch?v=nf4f97kWusw&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=204
14 ISS – Unit-4 Digital Signature Algorithm & ElGamal Algorithm for Digital Signature By Archana Sharma https://www.youtube.com/watch?v=1uZSWADlCn0&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=25
15 ISS – Unit-4&5 – Schnorr Digital Signature Scheme and Key Management By Er. Archana Sharma https://www.youtube.com/watch?v=Q5ZGJCDK5zo&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=25
16 Database Management Systems – Funtional Dependency By Rajesh Kumar Tejwani https://www.youtube.com/watch?v=RyZ-0y6WGJk&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=29
17 Real Time Systems Unit-1 Introduction of RTS By Er. Jaya Sachan https://www.youtube.com/watch?v=yuYyw5CC9dc&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=34
18 Real Time System Unit-2 Reference Model & Scheduling in RTS By Er. Jaya Sachan https://www.youtube.com/watch?v=Jw9abyoLwFo&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=33
19 Real Time Systems Unit-3 Priority Driven Scheduling By Er. Jaya Sachan https://www.youtube.com/watch?v=zNFQuOanla8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=35
20 Real Time System Unit-4 Scheduling Aperiodic & Sporadic Jobs By Er. Jaya Sachan https://www.youtube.com/watch?v=HCOV4dtA0ek&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=115
21 Real Time System UNIT-5 Resource Access Control By Er. Jaya Sachan https://www.youtube.com/watch?v=6uu0BBIvcao&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=101
22 Digital Image Processing Unit-1 Introduction to Image Processing By Er. Jyoti Sharma https://www.youtube.com/watch?v=gRR7Ugwzvvc&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=36
23 Digital Image Processing Unit-2 Image Transformation and Filtering By Er. Jyoti Sharma https://www.youtube.com/watch?v=JbKzZq4ZOs4&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=36
24 Digital Image Processing Unit-3 Image Restoration By Er. Jyoti Sharma https://www.youtube.com/watch?v=G1WOyypFs20&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=37
25 Digital Image Processing Unit-4 Image Compression By Er. Jyoti Sharma https://www.youtube.com/watch?v=Jd1FssKXgII&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=38
26 Digital Image Processing Unit 5 Image Segmentation By Er. Jyoti Sharma https://www.youtube.com/watch?v=lUBit2aWw0A&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=39
27 DISTRIBUTED SYSTEM(BTECH-CS-VIII-SEM)-UNIT-I_(LECTURE-1) BY DR. VISHAL SHRIVASTAVA https://www.youtube.com/watch?v=1G7l5q5fgsA&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=41
28 DISTRIBUTED SYSTEM(BTECH-CS-VIII-SEM)-UNIT-II_(LECTURE-1) BY DR. VISHAL SHRIVASTAVA https://www.youtube.com/watch?v=E1n_7dCqO9g&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=46
29 DISTRIBUTED SYSTEM(BTECH-CS-VIII-SEM)-UNIT-III_(LECTURE-1) BY DR. VISHAL SHRIVASTAVA https://www.youtube.com/watch?v=9-2pzb6Y580&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=47
30 Distributed Systems Unit-II,III System Models Lect-8 By Dr. Peeyush Mathur https://www.youtube.com/watch?v=YC1e27yOFQk&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=117
31 Distributed Systems Unit IV Shared Memory By Dr.Peeyush Mathur https://www.youtube.com/watch?v=PniJ9ysgIxI&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=145
32 DISTRIBUTED SYSTEM BTECH-CS-VIII-SEM-UNIT-V_LECTURE-1 BY DR. VISHAL SHRIVASTAVA https://www.youtube.com/watch?v=7u0GbrBJKgc&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=162
33 DS Unit II,III System Models Lect-1 By Dr.Peeyush Mathur https://www.youtube.com/watch?v=oLwwZVTW4oE&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=49
34 Artificial Intelligence Unit-4 Lecture-1 Supervised Learning By Er. Aarti Sharma https://www.youtube.com/watch?v=l-x_8RhrXnw&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=52
35 Artificial Intelligence Unit-5 Lecture=3 Robotics By Er. Aarti Sharma https://www.youtube.com/watch?v=myK3fMN0wp8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=303
36 Theory of Computation-Unit 4-Designing of Turing Machine-Lecture 3 By Er. Nisha Vasudeva https://www.youtube.com/watch?v=SJsT5meprak&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=54
37 Theory of Computation Unit-5 Lecture-1 Tractable & Untractable Problem By Er. NIsha Vasudeva By Er. Nisha Vasudeva https://www.youtube.com/watch?v=m4gWlwJg6t0&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=133
38 Machine Learning- Chapter-1- Introduction By Vivek Kumar Sharma https://www.youtube.com/watch?v=20DTjsuJwm8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=64
39 Machine Learning- Chapter – 2 – Regression and Classification By Er. Vivek Kumar Sharma https://www.youtube.com/watch?v=TT8WavlHfnM&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=94
40 Machine Learning- Chapter-3- Association Rule Mining lecture-2 By Vivek Kumar Sharma https://www.youtube.com/watch?v=vI0U9k3LQVg&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=65
41 Machine Learning- Chapter-4- Principal Component Analysis Lecture-1 By Er. Vivek Kumar Sharma https://www.youtube.com/watch?v=OorVi3ukHek&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=67
42 MEFA Unit-4 Production and Cost Analysis Part-1 By Dr. Gurpreet Kaur https://www.youtube.com/watch?v=atTumWEUCbg&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=69
43 MEFA Unit-5 Final Accounts Concept By Dr. Gurpreet Kaur https://www.youtube.com/watch?v=O2YRUS_2iPU&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=71
44 Cloud Computing Unit-1- Cloud Computing Architecture Lecture-1 By Er. Khushbu Garg https://www.youtube.com/watch?v=PyQhrPFTLYA&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=178
45 Cloud Computing Unit-2- Cloud Computing Architecture Lecture-1 By Er. Khushbu Garg https://www.youtube.com/watch?v=QgQjZN_vgN8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=126
46 Cloud Computing – Unit – 3 Virtualization- Part-1 By Er. Khushbu Garg https://www.youtube.com/watch?v=Q2sgOW6uTu8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=75
47 Cloud Computing Unit-4 – Cloud Security (Part-1) By Er. Khushbu Garg https://www.youtube.com/watch?v=EdwCPXYbeqs&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=102
48 Cloud Computing Unit-5- Case Studies Platform Application And Advanced Topics By Er. Khushbu Garg https://www.youtube.com/watch?v=n6xBiVdKZGc&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=222
49 Principle of Communications Unit 1 Part 1 By Er. Chavvi Gupta https://www.youtube.com/watch?v=OgF7Mv84Dow&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=239
50 Principal of Communication Unit 2 PAM By Er. Chavvi Gupta https://www.youtube.com/watch?v=78j7W1gCKlw&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=196
51 Principle of Communication Unit – 3 Part-1 By Er. Chavvi Gupta https://www.youtube.com/watch?v=l1WqpWTQUKM&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=120
52 Principle of Communication Unit-4 Amplitude Shift Keying By Er. Chavvi Gupta https://www.youtube.com/watch?v=Ybfui2aB_SI&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=99
53 Principle of Communication Unit -5 Spread Spectrum Modulation Part-1 By Er. Chavvi Gupta https://www.youtube.com/watch?v=r-h7kUj5Xpk&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=82
54 DBMS_UNIT-I-ER_Modeling_Lecture-03 By Er. Rajesh Kumar https://www.youtube.com/watch?v=AsKmuQEtDzU&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=314
55 DBMS_UNIT-2_SQL_Query_Lecture-03 By Er. Rajesh Kumar https://www.youtube.com/watch?v=TRqX883j3UQ&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=320
56 Database Management System (DBMS) UNIT-4 – SCHEDULE By Er. Rajesh Kr. Tejwani https://www.youtube.com/watch?v=MPtu50nc0io&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=85
57 DBMS UNIT-V – Concurrency Control Lecture-01 By Er. Rajesh Kumar https://www.youtube.com/watch?v=Anv5LDPrLAE&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=199
58 ISS – Unit – 2 – AES – Algorithm By Er. Archana kr. Sharma https://www.youtube.com/watch?v=bi9j1FTG8SQ&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=233
59 ISS – Unit – 3 – ElGamal cryptography – ECC Cryptography By Er. Archana Sharma https://www.youtube.com/watch?v=I4c5zY11FQ8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=252
60 ISS – UNIT – V -Hierarchy of CA and Kerberos By Er Archana Sharma https://www.youtube.com/watch?v=YpeWaCLdsE4&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=88
61 DS Unit- II,III System Models Lect-4 By Er. Peeyush Mathur https://www.youtube.com/watch?v=vZSbksnc85g&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=91
62 SOFTWARE TESTING AND VALIDATION , UNIT 1 , WHITE BOX TESTING By Er. Jaideep Manocha https://www.youtube.com/watch?v=SdLluIlG95A&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=287
63 SOFTWARE TESTING AND VALIDATION , UNIT 2 ,PERFORMANCE TEST PLAN AND CHALLANGES By Er. Jaideep Manocha https://www.youtube.com/watch?v=VWHftiG2EKg&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=289
64 SOFTWARE TESTING AND VALIDATION , UNIT 3, INTERNATIONALIZATION , TEST PHASES OF INTERNATIONALIZATION By Er. Jaideep Manocha https://www.youtube.com/watch?v=kUrmJlSeJZs&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=297
65 Software Testing & Validation Unit-4 Accessibility Testing By Er. Jaideep Manocha https://www.youtube.com/watch?v=vZ5dK7MLh2s&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=106
66 SOFTWARE TESTING AND VALIDATION UNIT 5, TOPIC – TEST PLANNING, LECTURE NO. 1 By Er. Jaideep Manocha https://www.youtube.com/watch?v=3Iy0dJRqxjU&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=124
67 Digital Electronics Unit-4 Combinational Circuits Part-1 By Er. Astha Dadheech https://www.youtube.com/watch?v=61o3OZTY4Ck&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=118
68 Digital Electronics Unit-5 Sequential Circuits Part-C By Er. Astha dadheech https://www.youtube.com/watch?v=D583Oas99zU&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=189
69 Managerial Economics & Financial Accounting Unit-1 Basic Economic Concepts By Dr.Gurpreet Kaur https://www.youtube.com/watch?v=pF5eu7B7Yb8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=148
70 Managerial Economics & Financial Accounting Unit-2 Demand and Supply Analysis By Dr.Gurpreet Kaur https://www.youtube.com/watch?v=eL5smwtyrp8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=156
71 Managerial Economics & Financial Accounting Unit-5 Demand and Supply Aalysis(4) By Dr. Gurpreet Kaur https://www.youtube.com/watch?v=bA8hyZ8fPqQ&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=153
72 CAO Unit-I Basic Computer Orgaization and Design Lecture-2 By Er. Maneesh Singhal https://www.youtube.com/watch?v=gG_apT6Ccp8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=235
73 CAO Unit-II Programming in Computer Lecture-1 By Er. Maneesh Singhal https://www.youtube.com/watch?v=6KzGa9JKuuo&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=195
74 CAO Unit-III CPU Lecture-01 By Er. Maneesh Singhal https://www.youtube.com/watch?v=-alevcoSYJ8&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=221
75 CAO Unit-IV CPU-IOP Lecture-5 By Er. Maneesh singhal https://www.youtube.com/watch?v=ZAXg0yn8R6g&list=PL9ERBAYCl1ZvkFmZi4O5Th0dbikSXKPaJ&index=164
S.No Name of Subject Video Reference
1 Compiler Design https://www.youtube.com/watch?time_continue=162&v=e73sb5pyriQ
2 Virtual Reality https://www.youtube.com/watch?v=aNC5YMUTcQ4&list=PLbMVogVj5nJSyt80VRXYC-YrAvQuUb6dh
3 Principles of Compiler Design https://www.youtube.com/watch?v=yxnbvS2t_QA&list=PLbMVogVj5nJQNjkHZgwuAlfQ9tzmQDxjA
4 Internet Technology https://www.youtube.com/watch?v=YOXwcbwSEUo&list=PLbMVogVj5nJSssxplPGgKHZLgdzL5-O88
5 System Analysis and Design https://www.youtube.com/watch?v=oXGv6ElraVU&list=PLbMVogVj5nJR_EJRzVJ7R9u16crBaAWZd
6 Design and Analysis of Algorithm https://www.youtube.com/watch?v=5Y8Lfsreeck&list=PLbMVogVj5nJSUpKllt0btml02Zsc9U1VU
7 Software Engineering https://www.youtube.com/watch?v=Z6f9ckEElsU&list=PL8751DA481F0F0D17
8 Artificial Intelligence https://www.youtube.com/watch?v=XCPZBD9lbVo&list=PLbMVogVj5nJQu5qwm-HmJgjmeGhsErvXD
9 Compiler Design https://www.youtube.com/watch?v=DFMf9oPbuRI&list=PLbMVogVj5nJTmKzaSlCpGgi7qxgcRRs8h
10 Computer Architecture https://www.youtube.com/watch?v=L2oWDL3Msaw&list=PLbMVogVj5nJRtXgdjQkYfYOHfsc-7Ar7Q
11 Pattern Recognition https://www.youtube.com/watch?v=mfePdDh9t6Q&list=PLbMVogVj5nJQJMLb2CYw9rry0d5s0TQRp
12 Theory of Computation https://www.youtube.com/watch?v=al4AK6ruRek&list=PLbMVogVj5nJSd25WnSU144ZyGmsqjuKr3
13 Computer Algorithm https://www.youtube.com/watch?v=VrZXEeD-rIM&list=PLbMVogVj5nJTA6ZeVkqHEiUup_3ccdg_C
14 Storage System https://www.youtube.com/watch?v=QGahViBo2_g&list=PLbMVogVj5nJSaAL3dScnPN3AesqFJ4esR
15 Computer Networks https://www.youtube.com/watch?v=cXRIFijfcZI&list=PLbMVogVj5nJQ3EZa7mBWKaKOJqvS9UE0G
16 Cryptography & Network Security https://www.youtube.com/watch?v=Q-HugPvA7GQ&list=PL71FE85723FD414D7
17 Data Base Management System https://www.youtube.com/watch?v=EUzsy3W4I0g&list=PL9426FE14B809CC41
18 Principles of Programming Language https://www.youtube.com/watch?v=EbNJ05EVXs0&list=PLF7C73918190889CE
19 Data Structures and Algorithms https://www.youtube.com/watch?v=zWg7U0OEAoE&list=PLBF3763AF2E1C572F
20 Digital Logic https://www.youtube.com/watch?v=CL3ups78jrs&list=PL53575D0244F058EB
21 Design and Analysis of Algorithms https://www.youtube.com/watch?v=5Y8Lfsreeck&list=PL7DC83C6B3312DF1E
22 Introduction to Problem Solving and Programming https://www.youtube.com/watch?v=8BeXwhljq2g&list=PL94CA590D7781A9B9
23 Introduction to Computer Graphics https://www.youtube.com/watch?v=V4mP2pQyou0&list=PL112A527F83F7A5E4
 
Placement