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Computer Architecture - Part 3
1
of
25
Q1. The Central Processing Unit or CPU contains two sub-Components which are
A. Main memory & Bus
B. The Arithmetic/Logic Unit (ALU) and the control unit (CU)
C. Input & Output Devices
Q2. It acts as the interface between hardware and software.
A. Computer Architecture
B. Computer Organization
C. Computer System
D. Computer Hardware and Software
Q3. What is the purpose of the Control Unit (CU)?
A. Controls the flow of data around the CPU and to and from other components
B. Controls the actions carries our by the CPU and other components
C. Controls the input and output devices that are attached to the computer
D. Controls the timings of the CPU and limits and increases it’s frequencies when needed
Q4. What is an advantage of a CD?
A. Easily scratched, leading to the loss of data
B. Large storage capacity
C. Expensive to buy
D. Portable, easy to carry around
Q5. Which component holds the address of the next instruction?
A. Memory Address Register
B. Memory Data Register
C. Program Counter
D. Accumulator
Q6. Another name for the CPU is a microprocessor.
A. True
B. False
Q7. Which architecture is used by RISC processors?
A. Harvard
B. Von Neumann
C. None of the above
Q8. In the CPU, what is the functionality of the control unit?
A. To decode program instruction
B. To perform logic operations
C. To store program instruction
D. To transfer data to primary storage
Q9. Which of the following are embedded systems?
A. Thermostat
B. Television
C. MP3 player
D. All of the above
Q10. Which part of the processor processes and manipulates data?
A. The registers
B. The ALU
C. The control unit
D. Cache
Q11. It is the job of external circuitry to determine in which external device a given memory location exists and to activate that device.
A. recoding
B. address decoding
C. decoding
D. address
Q12. Micro-programmed control unit can handle complex instructions
A. True
B. False
Q13. The Neuman architecture focuses on
A. CU
B. ALU
C. Registers
D. All of the above
Q14. During the Fetch-Decode-Execute cycle, the software to be run is located in main memory (RAM)
A. True
B. False
Q15. CPU stands for
A. central processing unit
B. central power unit
C. center process units
D. mesa is confused
Q16. What are encoded characters & numbers used as operands?
A. Stored Values
B. Information
C. Data
D. Input
Q17. Which of the following is an embedded system?
A. Laptop
B. Dishwasher
C. Desktop Computer
D. Tablet Computer
Q18. TheMDRsendtheinstructionstothe g CIR
A. TRUE
B. FALSE
Q19. Computer part that connects every thing inside the computer together?
A. RAM
B. ROM
C. CPU
D. MOTHERBOARD
Q20. What is the full meaning of SIMD?
A. Single Instruction Multiple Data
B. Small Instruction Multiple Data
C. Single Instruction Multiplexing Data
D. Single Instruction Multiple Digits
Q21. Which of the secondary storage categoriesarethemostdurable(orstrong/ toughest to break)?
×
A. Magnetic
B. Solid State
C. Optical
D. Primary memory
Q22. If the processing speedagoes from 1GHz to 4GHz, what effect does this have on performance? y
A. The maximum number of instructions executed per second doubles
B. The maximum number of instructions executed per second quadruples
C. The maximum number of instructions executed per second halves
D. The maximum number of instructions executed per second quarters
Q23. Calculations are made in the accumulator
A. True
B. False
Q24. Which is an example of an Embedded System:
A. Washing Machine
B. PCs
C. Tablets
D. Laptops
Q25. Which register holds the number of the current instruction being worked on?
A. Memory Address Register
B. Memory Data Register
C. Program Counter
D. Accumulator
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