1. Which register in a CPU is used to hold the memory
address of the next instruction to be executed in a
program?
A) Instruction Register (R)
B) Memory Address Register (MAR)
C) Accumulator (A)
D) Program Counter (PC)
2. What is the primary function of the Memory Buffer
Register (MBR) in a CPU?
A) Holding the current instruction being decoded and executed
B) Storing memory addresses involved in instructions held in the
Instruction Register (IR)
C) Holding the result of operations performed by the Arithmetic
and Logic Unit (ALU)
D) Temporarily storing instructions or data obtained from
memory or elsewhere before further processing
3. What component of a CPU is responsible for creating
control signals that inform other parts of the processor
about the actions, steps, and data they should be using to
process instructions?
A) Decoder
B) Timer or Clock
C) Control Logic Circuits
D) Arithmetic and Logic Unit
4. What is the primary responsibility of the control unit
within a CPU?
A) Performing arithmetic and logic operations
B) Storing and retrieving data and instructions
C) Issuing control signals to other areas of the processor and
instructing them on the next operation to be performed
D) Holding the results of operations and storing information
about the last operation carried out by the
ALU
5. How are addition and subtraction operations typically
performed within a CPU?
A) Through dedicated floating-point hardware within the CPU
B) Using additional chips known as math co-processors
C) By constructs of logic gates such as half adders and full
adders, with the aid of inverters and two's complement'
arithmetic
D) By shifting operations using a shift register
6. Which operation involves comparing values to determine
whether one number is greater than, less than, or equal to
another?
A) Addition
B) Multiplication
C) Logical tests
D) Comparison
7. Which component of the CPU is responsible for
performing arithmetic and logic operations such as
addition, subtraction, and Boolean/logic operations?
A) Control Unit
B) Register Array
C) Arithmetic and Logic Unit (ALU)
D) Memory Address Register
8. What is the main function of the Control Unit within the
CPU?
A) Performing arithmetic and logic operations
B) Storing and retrieving data and instructions
C) Decoding instructions, providing timing and control signals,
and synchronizing the execution of
instructions
D) Holding the results of operations and storing information
about the last operation carried out by the
ALU
9. What component of a microprocessor system is
responsible
for
coordinating
operations
and
communicating with external devices by carrying signals
relating to control and coordination of various activities
across the computer?
A) Address Bus
B) Data Bus
C) Control Bus
D) CPU
10. What component of a microprocessor system is
responsible
for
coordinating
operations
and
communicating with external devices by carrying signals
relating to control and coordination of various activities
across the computer?
A) Address Bus
B) Data Bus
C) Control Bus
D) CPU
11. What term describes an external socket on a
microprocessor system where peripheral devices such as
printers, keyboards, or network cables are plugged in?
A) RAM
B) ROM
C) CPU
D) Input/output (I/0) port
12. Which type of memory is primarily used for storing data
that is utilized by the system during program execution?
A) ROM
B) Cache Memory
C) Hard Disk
D) RAM
13. What is the main function of cache memory in a
computer system?
A) Storing the system program for the system to operate
B) Temporary storage of frequently used data
C) Storing and retrieving digital information, primarily computer
data
D) Storing step-by-step instructions for the system to operate
14. Which component of a computer system is responsible
for controlling operations by fetching instructions from
memory and executing them?
A) Memory
B) 1/0 Ports
C) Buses
D) Central Processing Unit (CPU) or Microprocessor
15. Which of the following statements accurately describes
microprocessors?
A) Microprocessors are equipped with CPU, RAM, ROM, and
other peripherals on the same chip.
B) Microprocessors are designed for specific tasks where the
relationship between input and output is defined.
C) Microprocessors typically operate at lower clock speeds
compared to microcontrollers.
D) Microprocessors require external addition of resources like
RAM, ROM, and 1/0 ports to function.
16. In which type of applications are microcontrollers
commonly used?
A) Applications where tasks are unspecific and require high
resources like RAM and ROM.
B) Applications that require high clock speeds and complex
processing tasks.
C) Applications where the relationship between input and output
is defined and specific tasks need to be performed.
D) Applications where external peripherals like keyboards,
mouse, and digicams are required.
17. Which of the following companies is known for
designing and manufacturing microprocessors?
A) Apple
B) Hewlett-Packard
C) Texas Instruments
D) ARM
18. During which year did Intel introduce its Core 2 Duo
processor featuring a Level 2 cache of 4 MB and
approximately 253 million transistors?
A) July 2006
B) November 2006
C) January 2009
D) February 1982
19. Which processor architecture marked the beginning of
the multi-core era, combining multiple processor cores with
graphics processing functionality?
A) Core 2 Duo
B) Core i3, Core iS, Core 17
C) 286
D) Larrabee
20. Based on the provided timeline of microprocessor
developments, which processor marked the beginning of
the multi-core era, combining multiple processor cores with
graphics processing functionality?
A) Pentium 4
B) Core 2 Duo
C) Core 2 Extreme QX6700
D) Larrabee
21. What are some common uses of general-purpose
microprocessors in personal computers?
A) Industrial process control and robotics
B) Digital control of appliances and automobiles
C) Computation, text editing, multimedia display, and internet
communication
D) Cellular phone network management
22. What is the primary function of a microprocessor in a
microcomputer system?
A) Providing power to peripheral devices
B) Processing digital data according to stored instructions
C) Transmitting data wirelessly
D) Storing data in non-volatile memory
23. Which statement accurately describes the historical
development of microprocessors?
A) Microprocessors first emerged in the late 1990s for use in
personal computers.
B) The earliest microprocessors were primarily used in industrial
machinery.
C) Affordable 8-bit microprocessors with 16-bit addressing led
to the first general-purpose microcomputers in the mid-1970s.
D) Microprocessors were initially used exclusively for
telecommunications.
24. Which Arduino model is equipped with 54 digital pins,
16 analog inputs, and 4 serial ports?
A) Arduino Uno (R3)
B) Arduino Nano
C) RedBoard
D) Mega 2560 Rev3
25. Which Arduino model is notable for being the first
development board to utilize a single microcontroller with
built-in USB, allowing for cheaper and simpler designs, and
featuring code libraries enabling the board to emulate a
computer keyboard, mouse, and more?
A) Arduino Uno (R3)
B) Arduino Nano
(C) Arduino Leonardo
D) Arduino Mega (R3)
26. Which Arduino model is suitable for projects requiring
numerous digital inputs or outputs, featuring 54 digital
input/output pins (14 PWM outputs), 16 analog inputs, a
USB connection, a power jack, and a reset button?
A) Arduino Uno (R3)
B) Arduino Nano
C) RedBoard
D) Arduino Mega (R3)
27. Which Arduino-compatible board offers stable
programming via a USB Mini-B cable, compatibility with
Windows 8 without requiring changes to security settings,
and the ability to power the board via USB or a barrel jack
with a voltage range of 7 to 15VDC?
A) Arduino Uno (R3)
B) Arduino Nano
C) RedBoard
D) LityPad Arduino
28. Which Arduino model is specifically designed for
wearable technology and can be sewn into clothing using
conductive thread?
A) Arduino Uno (R3)
B) Arduino Nano
C) Arduino Mega
D) LilyPad Arduino
29. Which Arduino model is recommended for beginners
due to its versatile features, including digital and analog
inputs/outputs, PWM outputs, USB connection, power jack,
and reset button?
A) Arduino Nano
B) Arduino Mega
C) Arduino Uno (R3)
D) Arduino Due
30. Which of the following terms are commonly associated
with Arduino hardware or pins?
A) USB connection
B) Alligator clips
C) Bluetooth module
D) Ethernet port
E) HDMI output
31. Who is the target audience for Arduino hardware and
software, and what types of devices can Arduino interact
with?
A) Engineers and scientists; limited to basic electronic
components
B) Artists, designers, hobbyists, hackers, and newcomers;
restricted to computer peripherals
C) Students and educators; compatible only with specific
Arduino modules
D) Artists, designers, hobbyists, hackers, newcomers, and
anyone interested in creating interactive objects or
environments; a wide range of electronic components, including
buttons, LEDs, motors, speakers, GPS units, cameras, the
internet, smartphones, and TVs
32. Which advantage does Arduino offer in terms of
hardware accessibility and programming simplicity?
A) Compatibility with various programming languages and
complex hardware setups
B) Dependence on an external programmer and intricate coding
requirements
C) Utilization of a USB cable for code uploading and utilization
of a simplified version of C++
D) Requirement of advanced knowledge in micro-controller
architecture and assembiy language
33. What advantage does Arduino offer in terms of
programming and hardware interfacing?
A) Requires a separate programmer and complex software
setup
B) Utilizes a proprietary programming language and complex
hardware interface
C) Uses a USB cable for code uploading and employs a
simplified version of C++
D) Requires advanced knowledge
architecture and assembly language
of
micro-controller
34. What is the primary target audience for Arduino
hardware and software?
A) Engineers and scientists
B) Artists, designers, hobbyists, hackers, and newcomers
C) Government agencies
D) Financial institutions
35. Which of the following devices can Arduino interact
with?
A) Refrigerators and washing machines
B) Cars and airplanes
C) Buttons, LEDs, motors, speakers, GPS units, cameras, the
internet, smartphones, and TVs
D) Medical equipment only