Q.1

The software used to drive a microprocessor-based system is called FORTRAN.

  • True
  • False
Q.2

The stack is a data storage area in RAM used by certain microprocessor operations.

  • True
  • False
Q.3

Conversion from assembly language to machine language can be done by the programmer through a process called hand assembly.

  • True
  • False
Q.4

A microprocessor with the necessary support circuits will include at least two memory ICs: ROM or EPROM, and a RAM.

  • True
  • False
Q.5

The control bus and memories share a bidirectional bus in a typical microprocessor system.

  • True
  • False
Q.6

Assembly language is written using mnemonics: MVI, DCR, JZ.

  • True
  • False
Q.7

I/O-mapped systems identify their input and output devices by giving them an 8-bit port number.

  • True
  • False
Q.8

How many bits are used in the data bus?

  • 7
  • 8
  • 9
  • 16
Q.9

All computer programs for a machine are called:

  • software
  • firmware
  • hardware
  • none of the above
Q.10

The 8085A is a(n):

  • 16-bit parallel CPU
  • 8-bit serial CPU
  • 8-bit parallel CPU
  • none of the above
Q.11

What is the difference between a mnemonic code and machine code?

  • There is no difference.
  • Machine codes are in binary, mnemonic codes are in shorthand English.
  • Machine codes are in shorthand English, mnemonic codes are in binary.
Q.12

When was the first 8-bit microprocessor introduced?

  • 1969
  • 1974
  • 1979
  • 1985
Q.13

The 8085 software is compatible with the 8080A.

  • True
  • False
Q.14

A microcontroller integrates multichip systems with RAM, ROM, and I/O.

  • True
  • False
Q.15

The devices that provide the means for a computer to communicate with the user or other computers are referred to as:

  • CPU
  • ALU
  • I/O
  • none of the above
Q.16

The items that you can physically touch in a computer system are called:

  • software
  • firmware
  • hardware
  • none of the above
Q.17

Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:

  • flags
  • registers
  • monitors
  • decisions
Q.18

Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.

  • hexadecimal machine code
  • binary machine code
  • assembly language
  • all of the above
Q.19

Which bus is a bidirectional bus?

  • address bus
  • data bus
  • address bus and data bus
  • none of the above
Q.20

What type of circuit is used at the interface point of an output port?

  • decoder
  • latch
  • tristate buffer
  • none of the above
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