1. 1977

2. 1967

3. 1987

4. 1978

1. United Serial Bus

2. Universal Serial Bus

3. Union Serial Bus

4. None of these

1. Arithmetic logic unit, Mouse

2. Arithmetic logic unit, Control unit

3. Arithmetic logic unit, Integrated Circuits

4. Control Unit, Monitor

1. Vaccum Tubes and Magnetic Drum      

2. Integrated Circuits

3. Magnetic Tape and Transistors          

4. All of above

1. Expansion Board

2. Mother Board

3. External Drive

4. All of the above