What was the first widely used microprocessor? In what year was it introduced and by what company?

Chapter 1

Quiz
•
Physics
•
University
•
Easy
Tanner Walston
Used 3+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
The 8080 by Intel in 1971
The 8051 by Intel in 1971
The 6502 by MOS in 1974
The Z80 by Zilog in 1972
2.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Two of the smaller microprocessor companies in the 1970s were MOS Technology and Zilog. Name the microprocessor that each of these companies introduced.
MOS = 6505
Zilog = Z70
MOS = 6080
Zilog = Z60
MOS = 6502
Zilog = Z80
3.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What year was the 8051 microcontroller introduced? What was the predecessor to the 8051, and in what year was it introduced?
8051 = 1980
8658 = 1976
8051 = 1980
8748 = 1976
8051 = 1979
8748 = 1976
8051 = 1982
8778 = 1975
4.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Name two types of semiconductor memory discussed in chapter 1. Which type retains its contents when powered-off? what is the common term that describes this property?
RAM and ROM
ROM Retains contents when powered off
Known as nonvolatile
RAM and ROM
RAM Retains contents when powered off
Known as nonvolatile
ROM and EPROM
EPROM Retains contents when powered off
Known as nonvolatile
ROM and PROM
ROM Retains contents when powered off
Known as Volatile
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
Which register in a CPU always contains an address? What address is contained in this register?
DPTR
Always points to next memory address
ACC
Always retains data for next operation
SP
Always holds stack instructions
PC
Always holds next memory address
6.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
During an opcode fetch, what is the information on the address and data buses? What is the direction of the information flow on these busses during an opcode fetch?
Address Bus:
Contents of PC
Flows from RAM to CPU
Data Bus:
Opcode data
Flows from CPU to RAM
Address Bus:
Contents of PC
Flows from CPU to RAM
Data Bus:
Opcode data
Flows from RAM to CPU
Address Bus:
Opcode data
Flows from CPU to RAM
Data Bus:
Contents of PC
Flows from RAM to CPU
Address Bus:
Opcode data
Flows from RAM to CPU
Data Bus:
Contents of PC
Flows from CPU to RAM
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
How many bytes of data can be address by a computer system with an 18-bit address bus and an 8-bit data bus?
64k
128k
256k
512k
Answer explanation
2^18 = 2^10 * 2^8
2^10 is approximately 1000
= 1000 * 256 = 256k
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