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
‣
Computers
Comments
Question
The Pentium microprocessor has a data bus of ________.
Options
A. 16 bits
B. 32 bits
C. 64 bits
D. 128 bits
Correct Answer
64 bits
Computers problems
Search Results
1. During a read operation the CPU fetches ________.
Options
A. a program instruction
B. another address
C. data itself
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
2. Which method bypasses the CPU for certain types of data transfer?
Options
A. Software interrupts
B. Interrupt-driven I/O
C. Polled I/O
D. Direct memory access (DMA)
Show Answer
Scratch Pad
Discuss
Correct Answer: Direct memory access (DMA)
3. Which is not an operand?
Options
A. Variable
B. Register
C. Memory location
D. Assembler
Show Answer
Scratch Pad
Discuss
Correct Answer: Assembler
4. Which of the following is not an arithmetic instruction?
Options
A. INC (increment)
B. CMP (compare)
C. DEC (decrement)
D. ROL (rotate left)
Show Answer
Scratch Pad
Discuss
Correct Answer: ROL (rotate left)
5. Which of the following is not a basic element within the microprocessor?
Options
A. Microcontroller
B. Arithmetic logic unit (ALU)
C. Register array
D. Control unit
Show Answer
Scratch Pad
Discuss
Correct Answer: Microcontroller
6. The Pentium can address ________.
Options
A. 1 MB
B. 1 GB
C. 2 GB
D. 4 GB
Show Answer
Scratch Pad
Discuss
Correct Answer: 4 GB
7. A port can be ________.
Options
A. strictly for input
B. strictly for output
C. bidirectional
D. all of the above
Show Answer
Scratch Pad
Discuss
Correct Answer: all of the above
8. The process of jointly establishing communication is called ________.
Options
A. DMA
B. bidirectional addressing
C. multiplexing
D. handshaking
Show Answer
Scratch Pad
Discuss
Correct Answer: handshaking
9. With interrupt-driven I/O, if two or more devices request service at the same time, ________.
Options
A. the device closest to the CPU gets priority
B. the device that is fastest gets priority
C. the device assigned the highest priority is serviced first
D. the system is likely to crash
Show Answer
Scratch Pad
Discuss
Correct Answer: the device assigned the highest priority is serviced first
10. The first microprocessor had a(n)________.
Options
A. 1-bit data bus
B. 2-bit data bus
C. 4-bit data bus
D. 8-bit data bus
Show Answer
Scratch Pad
Discuss
Correct Answer: 4-bit data bus
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