2 From among these letter groups pick the 6800 assembler mne

2. From among these letter groups, pick the 6800 assembler mnemonic that brings program execution to a halt.

A. LDAA

B. STOP

C. WAI

D. WOA

my answer is A incorrect

3. You can use ladder logic diagrams drawn from----- to prepare the software for a programmable controller.

A. industrial electrical circuits

B. assembler or compiler programs

C. BASIC programs

D. Boolean expressions

my answer is D incorrect

4. If you had access to a computer \"polling system\" you would probably put it to work in your plant to

A. maintain inventory records.

B. interrogate fire and intruder sensors.

C. transfer telephone calls.

D. schedule preventive maintenance.

my answer is C incorrect

4.If you\'re writing computer programs involving only math and calculations, which language would serve you best?

A. BASIC

B. FORTRAN

C. Machine

D. Assembly

my answer is A incorrect

5.Which of the following sets of BASIC keywords can you use together to write a statement that causes a program to repeat a portion of itself several times?

A. PRINT, LPRINT

B. IF, THEN

C. GOTO, STEP

D. FOR,TO

my answer is C incorrect

6. What do you call a CAD/CAM system installed complete with necessary firmware?

A. Machine assembler

B. Assembler system

C. Executive controller

D. Turnkey installation

my answer is A incorrect

7.You can use a programmer\'s card to obtain opcodes for ------ when you assemble a program manually.

A. an object code

B. a source code

C. an assembly language

D. a FORTRAN language

my answer is D incorrect

8. When you write source code using mnemonics you\'re programming in------ language.

A. machine

B. assembly

C. compiler

D. high level

my answer is A incorrect

Solution

LDAA: loads the accumulator

STOP: Jumps to the end of the program.

WAI: waits for the interupt. here it will halt the execution of the program and set status to halt until it receives an interupt..