Chapter 1

Chapter 1

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11 Qs

quiz-placeholder

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Chapter 1

Chapter 1

Assessment

Quiz

Physics

University

Easy

Created by

Tanner Walston

Used 3+ times

FREE Resource

11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

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

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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