CuriousTab
Search
CuriousTab
Home
Aptitude
Computer
C Programming
C# Programming
C++ Programming
Database
Java Programming
Networking
Engineering
Biochemical Engineering
Biochemistry
Biotechnology
Chemical Engineering
Civil Engineering
Computer Science
Digital Electronics
Electrical Engineering
Electronics
Electronics and Communication Engineering
Mechanical Engineering
Microbiology
Technical Drawing
GK
Current Affairs
General Knowledge
Reasoning
Data Interpretation
Logical Reasoning
Non Verbal Reasoning
Verbal Ability
Verbal Reasoning
Exams
AIEEE
Bank Exams
CAT
GATE
IIT JEE
TOEFL
Jobs
Analyst
Bank PO
Database Administrator
IT Trainer
Network Engineer
Project Manager
Software Architect
Discussion
Home
‣
Digital Electronics
‣
Microprocessor Fundamentals
Comments
Question
When referring to instruction words, a mnemonic is:
Options
A. a short abbreviation for the operand address
B. a short abbreviation for the operation to be performed
C. a short abbreviation for the data word stored at the operand address
D. shorthand for machine language
Correct Answer
a short abbreviation for the operation to be performed
Microprocessor Fundamentals problems
Search Results
1. What kind of computer program is used to convert mnemonic code to machine code?
Options
A. debug
B. assembler
C. C++
D. Fortran
Show Answer
Scratch Pad
Discuss
Correct Answer: assembler
2. The software used to drive microprocessor-based systems is called:
Options
A. assembly language
B. firmware
C. machine language code
D. BASIC interpreter instructions
Show Answer
Scratch Pad
Discuss
Correct Answer: assembly language
3. Which of the following are the three basic sections of a microprocessor unit?
Options
A. operand, register, and arithmetic/logic unit (ALU)
B. control and timing, register, and arithmetic/logic unit (ALU)
C. control and timing, register, and memory
D. arithmetic/logic unit (ALU), memory, and input/output
Show Answer
Scratch Pad
Discuss
Correct Answer: control and timing, register, and arithmetic/logic unit (ALU)
4. Single-bit indicators that may be set or cleared to show the results of logical or arithmetic operations are the:
Options
A. flags
B. registers
C. monitors
D. decisions
Show Answer
Scratch Pad
Discuss
Correct Answer: flags
5. The register in the 8085A that is used to keep track of the memory address of the next op-code to be run in the program is the:
Options
A. stack pointer
B. program counter
C. instruction pointer
D. accumulator
Show Answer
Scratch Pad
Discuss
Correct Answer: program counter
6. The 8085A is a(n):
Options
A. 16-bit parallel CPU
B. 8-bit serial CPU
C. 8-bit parallel CPU
D. none of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: 8-bit parallel CPU
7. Because microprocessor CPUs do not understand mnemonics as they are, they have to be converted to ________.
Options
A. hexadecimal machine code
B. binary machine code
C. assembly language
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: binary machine code
8. What is the difference between a mnemonic code and machine code?
Options
A. There is no difference.
B. Machine codes are in binary, mnemonic codes are in shorthand English.
C. Machine codes are in shorthand English, mnemonic codes are in binary.
Show Answer
Scratch Pad
Discuss
Correct Answer: Machine codes are in binary, mnemonic codes are in shorthand English.
9. Which of the following buses is primarily used to carry signals that direct other ICs to find out what type of operation is being performed?
Options
A. data bus
B. control bus
C. address bus
D. address decoder bus
Show Answer
Scratch Pad
Discuss
Correct Answer: control bus
10. How many bits are used in the data bus?
Options
A. 7
B. 8
C. 9
D. 16
Show Answer
Scratch Pad
Discuss
Correct Answer: 8
Comments
There are no comments.
Enter a new Comment
Save
More in Digital Electronics:
Boolean Algebra and Logic Simplification
Code Converters and Multiplexers
Combinational Logic Analysis
Combinational Logic Circuits
Computers
Counters
Describing Logic Circuits
Digital Arithmetic Operations and Circuits
Digital Concepts
Digital Design
Digital Signal Processing
Digital System Projects Using HDL
Ex-OR and Ex-NOR Gates
Flip-Flops
Integrated-Circuit Logic Families
Integrated Circuit Technologies
Interfacing to the Analog World
Logic Families and Their Characteristics
Logic Gates
Memory and Storage
Microprocessor Fundamentals
MSI Logic Circuits
Multivibrators and 555 Timer
Number Systems and Codes
Programmable Logic Device
Shift Registers
Signals and Switches
The 8051 Microcontroller