Q.1

Machine language is independent of the type of microprocessor in a computer system.

  • True
  • False
Q.2

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

  • True
  • False
Q.3

The register in the 8085 microprocessor that is used to keep track of the memory address of the next opcode to be run in the program is the ________.

  • stack pointer
  • program counter
  • instruction pointer
  • accumulator
Q.4

All computer programs for a machine are called ________.

  • software
  • firmware
  • hardware
  • none of the above
Q.5

The ________ is the "brains" of every microcomputer.

  • ROM
  • ALU
  • CPU
  • MPU
Q.6

The software used to drive microprocessor-based systems is called:

  • assembly language programs
  • firmware
  • BASIC interpreter instructions
  • flowchart instructions
Q.7

A mnemonic is an English-like instruction that is converted by an assembler into a machine code for use by a processor.

  • True
  • False
Q.8

The language understood by the microprocessor is called assembly language.

  • True
  • False
Q.9

A port can be:

  • strictly for input
  • strictly for output
  • bidirectional
  • all the above
Q.10

The first part of a machine language instruction that specifies the operation to be performed is called a(n) __________.

  • mnemonic
  • opcode
  • interrupt
  • instruction cycle
Q.11

The circuits in the 8085 that provide the arithmetic and logic functions are called the __________.

  • CPU
  • ALU
  • I/O
  • bus decoder
Q.12

A microprocessor unit, a memory unit, and an input/output unit form a:

  • CPU
  • compiler
  • microcomputer
  • ALU
Q.13

A machine cycle is the time it takes a microprocessor to fetch and execute a complete instruction.

  • True
  • False
0 h : 0 m : 1 s