SS2 Computer Studies 1st Term
SS2 Computer Studies First Term Scheme of Work & Lesson Note
Computer Studies is one of the science subjects SS2 students are required to offer in first term. The Unit of Instruction for SS2 Computer Studies 1st Term is carefully developed from the Scheme of Work, which in turn is, based on NERDC current curriculum and SSCE syllabus.
Central Processing Unit (CPU), Memory Unit, Logic Circuits I (Standard Single Logic Gates), Logic Circuits II (Alternative Logic Gates), CISCO IT Essentials 6.0, Computer Data Conversation, Hands-on Skill in Computer, Concept of Computer Files, ETC
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Central Processing Unit (CPU)
SUB TOPICS:
A. Meaning of Central Processing Unit
B. System unit
C. Control unit
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define Central Processing Unit.
2 Mention the parts of a CPU.
3 State the functions of Arithmetic and Logic Unit (ALU).
4 ETC
What is Central Processing Unit (CPU)? The computer does its primary work in a part of the machine we cannot see. This control center is called the central processing unit (CPU). The central processing unit converts data input to information output.
All computers, large and small, must have a central processing unit. The central processing unit consists of two parts, namely: The control unit (CU) and the arithmetic and logic unit (ALU). Each part has a specific function.
Kindly watch the following video on the definition and functions of the central processing unit.
Memory Unit
SUB TOPICS:
A. Meaning of memory unit
B. Units of storage
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define computer memory.
2 List the types of computer memory.
3 Identify primary memory.
4 ETC
In a computer architecture, the computer memory unit works closely with the central processing unit (CPU). The memory unit is of two types. They are random access memory (RAM) and read only memory (ROM).
Logic Circuits I (Standard Single Logic Gates)
SUB TOPICS:
A. Definition of logic gates
B. Types of logic gates
C. Logic gates representation
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define logic.
2 State the types of logic gates.
3 Write examples of logic gates.
4 ETC
Logic Circuits II (Alternative Logic Gates)
SUB TOPICS:
A. Meaning and types of alternative logic gates
B. Alternative logic gates representation
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Describe alternative logic gates.
2 State the types of alternative logic gates.
3 Write examples of alternative logic gates.
4 ETC
CISCO IT Essentials 6.0
SUB TOPICS:
A. Meaning of computer networking
B. Types of computer network
C. Applied networking
D. Networking tools
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Watch teachers’ demonstrations and follow step-by-step guides in designing, implementing code and debugging a network control program.
2 Design, implement code and debug a simple network control program.
CISCO IT Essentials 6.0 (CONT'D)
SUB TOPICS:
A. Mobile devices
B. Laptops
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Watch teachers’ demonstrations and follow step-by-step guides to dismantle and reassemble a mobile device.
2 Dismantle and reassemble a mobile device.
3 Dismantle and reassemble a laptop.
SS2 Computer Studies 1st Term Revision and Mid Term Test
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Computer Data Conversation
SUB TOPICS:
A. Register, address and bus
B. Data fetch-execute cycle
C. Operating procedures of computer data processing
D. Factors affecting speed of data transfer
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define: a register, an address and a bus.
2 State the types of registers.
3 List the functions of each type of register.
4 ETC
Hands-on Skill in Computer
SUB TOPICS:
A. Hands-on Skill relating to computer hardware
B. Hands-on Skill relating to computer software
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Watch teachers’ demonstrations and follow step-by-step procedures to connect computer equipment.
2 Demonstrate step-by-step procedures to connect and start-up computer equipment.
Concept of Computer Files
SUB TOPICS:
A. Meaning of computer files
B. Types of file organization
C. Basic terms relating to computer files
D. Method of accessing files
E. Computer file classification
INSTRUCTIONAL OBJECTIVES: At the end of the lesson, learners should be able to:
1 Define basic terms with respect to computer file.
2 State the types of data item.
3 Construct sample sketch of computer file structure.
4 ETC
Work in Progress. Please check back. 48
(Ana Arm Technologies)
Central Processing Unit (CPU)
Memory Unit
Logic Circuits I (Standard Single Logic Gates)
Logic Circuits II (Alternative Logic Gates)
Computer Data Conversion
Concept of Computer Files
Handling Computer Files
Word Processing
Online Quiz
Reference Textbooks
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