IGCSE计算机科学 IGCSE Computer Science视频课程

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IGCSE计算机科学 IGCSE Computer Science视频课程英语讲解 + 双语字幕

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免费 4616_1.1.1_(a)_The_Binary_Number_System (04:04)

免费 4617_1.1.1_(b)_Converting_Decimal_and_Binary (07:07)

试看 4618_1.1.1_(c)_Measuring_Computer_Memory_Sizes (05:05)

试看 4619_1.1.1_(d)_Uses_of_Binary (04:04)

4620_1.1.2_(a)_The_Hexadecimal_Number_System (03:03)

4621_1.1.2_(b)_Why_Choose_Hexadecimal (03:03)

4622_1.1.2_(c)_Converting_Decimal_and_Hexadecimal (04:04)

4623_1.1.2_(d)_Converting_Hexadecimal_and_Binary (03:03)

4624_1.1.2_(e)_Hexadecimal_in_Registers (02:02)

4625_1.1.2_(f)_Uses_of_Hexadecimal (10:10)

4626_1.1.3_(a)_File_Types (03:03)

4627_1.1.3_(b)_MIDI_JPEG_MP3_and_MP4_Files (12:12)

4628_1.1.3_(c)_Lossy_Lossless_and_Text_File_Compression (04:04)

4629_1.1.3_(d)_Parity_Checking (10:10)

4630_1.1.3_(e)_Check_Digits_Checksums_ARQs_and_Echo_Checks (13:13)

4631_1.2.1_(a)_Introduction_to_Data_Transmission (02:02)

4632_1.2.1_(b)_Simplex_Half_duplex_and_Full_duplex_Data_Transmission (03:03)

4633_1.2.1_(c)_Serial_and_Parallel_Data_Transmission (04:04)

4634_1.2.1_(d)_Synchronous_and_Asynchronous_Data_Transmission (03:03)

4635_1.2.1_(e)_Serial_vs._Parallel_Data_Transmission (01:01)

4636_1.2.1_(f)_Uses_of_Serial_and_Parallel_Data_Transmission (07:07)

4637_1.2.2_Security_Aspects (08:08)

4638_1.2.3_(a)_Web_Browsers_and_Internet_Servers (02:02)

4639_1.2.3_(b)_HyperText_Transfer_Protocol (02:02)

4640_1.2.3_(c)_HTML_Structure_Presentation_and_Behaviour (06:06)

4641_1.2.3_(d)_IP_Addresses_URLs_and_Cookies (05:05)

4642_1.3.1_(a)_Logic_Gates (13:13)

4643_1.3.1_(b)_Creating_Logic_Circuits (09:09)

4644_1.3.1_(c)_Creating_Truth_Tables_for_Logic_Circuits (06:06)

4645_1.3.1_(d)_Solving_Problems_with_Logic_Gates (12:12)

4646_1.3.1_e_Logic_Building_Blocks (10:10)

4647_1.3.2_a_Computer_Architecture (12:12)

4648_1.3.2_b_The_Fetch_execute_Cycle (02:02)

4649_1.3.3_a_2D_Scanners (05:05)

4650_1.3.3_b_3D_Scanners (02:02)

4651_1.3.3_c_Barcode_Scanners (07:07)

4652_1.3.3_d_QR_Code_Scanners (02:02)

4653_1.3.3_e_Digital_Cameras (02:02)

4654_1.3.3_f_Keyboards (02:02)

4655_1.3.3_g_Pointing_Devices (03:03)

4656_1.3.3_h_Microphones (06:06)

4657_1.3.3_i_Touchscreens (07:07)

4658_1.3.3_j_Interactive_Whiteboards (02:02)

4659_1.3.3_k_Sensors (08:08)

4660_1.3.3_l_Using_Sensors (09:09)

4661_1.3.4_a_Inkjet_Printers (06:06)

4662_1.3.4_b_Laser_Printers (05:05)

4663_1.3.4_c_3D_Printers (07:07)

4664_1.3.4_d_Laser_Cutters (01:01)

4665_1.3.4_e_Actuators (02:02)

4666_1.3.4_f_Speakers (02:02)

4667_1.3.4_g_Monitors (07:07)

4668_1.3.4_h_Projectors (05:05)

4669_1.3.5_a_RAM_and_ROM (08:08)

4670_1.3.5_b_Hard_Disk_Drives (05:05)

4671_1.3.5_c_Solid_state_Drives (04:04)

4672_1.3.5_d_Optical_Off_line_Storage (10:10)

4673_1.3.5_e_Magnetic_and_Solid_state_Off_line_Storage (06:06)

4674_1.3.5_f_Calculating_File_Sizes (06:06)

4675_1.3.6_a_Functions_of_an_Operating_System (03:03)

4676_1.3.6_b_Interrupts_and_Buffers (05:05)

4677_1.3.7_a_High_level_and_Low_level_Languages (07:07)

4678_1.3.7_b_Translators (04:04)

4679_1.4_a_Keeping_Data_Safe (06:06)

4680_1.4_b_Firewalls_and_Proxy_Servers (06:06)

4681_1.4_c_Security_Protocols (05:05)

4682_1.4_d_Encryption (10:10)

4683_1.4_e_Hashing_and_Authentication (14:14)

4684_1.4_f_Phishing_Pharming_and_DoS_Attacks (08:08)

4685_1.4_g_Applying_Security (08:08)

4686_1.5_a_Computer_Ethics (03:03)

4687_1.5_b_Free_Software_Freeware_and_Shareware (03:03)

4688_1.5_c_Conclusion (02:02)

4689_Pre_release_Material_M_J_2016_TASK_1_Solution_PSEUDOCODE (06:06)

4690_Pre_release_Material_M_J_2016_TASK_2_Solution_PSEUDOCODE (14:14)

4691_Pre_release_Material_M_J_2016_TASK_3_Solution_PSEUDOCODE (11:11)

4692_Pre_release_Material_M_J_2016_TASK_1_Solution_PYTHON (07:07)

4693_Pre_release_Material_M_J_2016_TASK_2_Solution_PYTHON (04:04)

4694_Pre_release_Material_M_J_2016_TASK_3_Solution_PYTHON (03:03)

4695_2.1.1_a_Computer_Systems_and_Sub_systems (07:07)

4696_2.1.1_b_Top_down_Design (08:08)

4697_2.1.1_c_Trace_Tables (07:07)

4698_2.1.1_d_The_Purpose_of_an_Algorithm (12:12)

4699_2.1.1_e_Test_Data (05:05)

4700_2.1.1_f_Validation_and_Verification (09:09)

4701_2.1.2_a_Pseudocode_Basics (04:04)

4702_2.1.2_b_Pseudocode_Comparison_and_Logical_Operators (11:11)

4703_2.1.2_c_Pseudocode_IF_Statement (06:06)

4704_2.1.2_d_Pseudocode_CASE_Statement (07:07)

4705_2.1.2_e_Pseudocode_Loop_Structures (16:16)

4706_2.1.2_f_Creating_Flowcharts (09:09)

4707_2.1.2_g_Correcting_Errors_in_Pseudocode (06:06)

4708_2.1.2_h_Producing_an_Algorithm (08:08)

4709_2.1.2_i_Commenting_on_the_Effectiveness_of_a_Solution (05:05)

4710_2.2.1_a_Variables_and_Constants (06:06)

4711_2.2.1_b_Data_Types (05:05)

4712_2.2.1_c_Programming_Concepts (04:04)

4713_2.2.1_d_Using_Predefined_Procedures_Functions (09:09)

4714_2.2.2_a_Declaring_Arrays (07:07)

4715_2.2.2_b_Using_Arrays_with_Variables (04:04)

4716_2.2.2_c_Using_Arrays_with_FOR_loops (07:07)

4717_2.3_a_Creating_a_Database (10:10)

4718_2.3_b_Query_by_example_Grids (10:10)

4719_2.3_c_Fin (09:09)

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