1. BASICS 10 Point Before the invention of the transistor switches. 10.5 pt a. w
ID: 1766170 • Letter: 1
Question
1. BASICS 10 Point Before the invention of the transistor switches. 10.5 pt a. were used b. The M68K processor has bit data bus and . The register that stores the address of the next instruetion to be exulted in the bit address bus. [1 pt and the register that hold an instruction after it is fetched from memory is the 11 pt d. The total memory that can be addressed by the M68K processor is ME Show how you arrive the answer. [1 pt e. List the three internal components of a microprocessor. [1.5 pt f. What is the full form of the following? [2 pts ALU IC CPU EEPROMM g. What is the system bus composed of? 11.5] h. Describe briefly the CPU execution cycle? [1.5]Explanation / Answer
a. Vaccum Tubes
b. 16 bit data bus and 24 bit address bus
c. Program Counter (PC) register holds the address of the next instruction. Instruction register holds the instruction.
d. Total addressable memory is 224 = 16 MByte
e. ALU, Control Unit, Instruction Register, Condition register (Flag)
f. ALU - Arithmetic & Logical Unit
IC - Integrated Circuit
CPU - Central Processing Unit
EEPROM - Electrically Erasable Programmable Read Only Memory
g. Data bus, Address bus and Control buses are collectively called system bus
h. It mainly comprises of Instruction Fetch cycle, Decode and Execution Cycle. Right from fetching instruction from program memory to decoding of instruction and issuing appropriate control signal to complete the required task
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