Blitz

What do the letters ICT stand for?

• International Communication Technology

• Information and Communication Technology

• Internet Connector Technology

• None of the above

Which of these is the largest planet in the Solar System?

• Earth
• Mars
• Mercury
• Jupiter
• Pluto

Which of these celestial bodies are planets?

• Venus
• Neptune
• Uranus
• Pluto

Name any one of the two moons of Mars

What would you do in outer space?

Which of these is your favorite?

• Stars
• Planets
• Comets

Sends out signals to co-ordinate how the processor works and instructions are decoded here.

• Control Unit (CU)
• Central Processing Unit (CPU)
• Arithmetic Logic Unit (ALU)
• Current Instruction Register (CIR)

Carries out the calculations and logical decisions.  The results of its calculations are stored in the accumulator.

• Control Unit (CU)
• Arithmetic Logic Unit (ALU)
• Accumulator (ACC)
• Memory Data Register (MDR)

Holds the address of the next instruction to be executed.  It gets incremented with each cycle of the fetch-decode-execute cycle. 

• Memory Address Register (MAR)
• Current Instruction Register (CIR)
• Program Counter (PC)
• Accumulator (ACC)

Parts of the information processing cycle

• Input

• RAM

• Process

• Store