255 Computer Science A Level Paper-1 Topical Workbook

UNIT 1 Information Representation
1.1 Data Representation
1.2 Multimedia-graphics sound
1.3 Compression
Answer section
1.1 Data Representation
1.2 Multimedia-graphics sound
1.3 Compression

UNIT 2 Communication
2.1 Network including the internet
Answer section
2.1 Network including the internet

UNIT 3 Hardware
3.1 Input, Output and storage devices
3.2 Logic gates and logic circuits
Answer section
3.1 Input, Output and storage devices
3.2 Logic gates and logic circuits

UNIT 4 Processor Fundamentals
4.1 Central processing unit (CPU) and cycle
4.2 Assembly
4.3 Bit manipulation
Answer section
4.1 Central processing unit (CPU) and cycle
4.2 Assembly
4.3 Bit manipulation

UNIT 5 System Software
5.1 Operating system
5.2 Language translators
Answer section
5.1 Operating system
5.2 Language translators

UNIT 6 Security, privacy and data integrity
6.1 Data security
6.2 Data integrity
Answer section
6.1 Data security
6.2 Data integrity

UNIT 7 Ethics and Ownership
Answer section

UNIT 8 Database and Data Modelling
8.1 Database managements systems (DBMS)
8.2 Relational database modelling
8.3 Data definition language (DDL) and data manipulation language (DML)
Answer section
8.1 Database managements systems (DBMS)
8.2 Relational database modelling
8.3 Data definition language (DDL) and data manipulation language (DML)