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Computer Architecture - Part 4
1
of
25
💡
Hints:
3
Q1. This doesn’t happen during the Decode / Execute part of the cycle: (7-9)
A. Results are held in the Accumulator
B. Instructions are transferred from Main Memory
C. Current Instruction is held in the CIR
D. Status Register updated
Q2. State an input device
A. Mouse
B. Flash DFlash Drive
C. Tape
D. Printer
Q3. Which of these buses is not bidirectional?
×
A. Data Bus
B. Control Bus
C. Address Bus
Q4. Which register stores the address which data will be fetched from?
A. MAR
B. MDR
C. PC
D. CIR
Q5. This holds the number of the current instruction being worked on (7-9)
A. Memory Data Register
B. Program Counter
C. Memory Address Register
D. Accumulator
Q6. Cache for a CPU is?
A. Temporary data used to store data for websites.
B. Super fast memory located on main memory.
C. Super fast memory located in or nearby the processor.
D. Temporary data used to store data used in apps.
Q7. which is a form of permanent memory that holds all the instructions the computer needs to start up and does not get erased when the power is turned off.
A. RAM
B. The Network Interface Card (NIC)
C. The CUP
D. ROM
Q8. If the processing speed goes from 1GHZ to 4GHZ and the processor is changed from an 8 core to a dual core processor- what is the exact effect on the performance of the computer
A. The number of instructions executed per second doubles
B. The number of instructions executed per second quadruples
C. The number of instructions executed per second is halved
D. The number of instructions executed per second stays the same
Q9. This sends signals such as "Memory write"
A. Control Unit
B. Cache
C. Arithmetic Logic Unit
D. Accumulator
Q10. 3 GHz means approximately how many instructions per second?
A. 0.3 million instructions
B. 3 million instructions
C. 0.3 billion instructions
D. 3 billion instructions
Q11. MOV A, #08 is the example of ___ addressing mode
A. Immediate
B. Direct
C. Indirect
D. Indexed
Q12. The ___ informs the CPU about the location of the dayta residing in the memory.
A. Data bus
B. Addrress bus
C. Cache
D. Control line
Q13. The main advantage of semiconduc- tor RAM is its ability to:
A. retain stored data when power is interrupted or turned of
B. be written to and read from rapidly
C. be randomly accessed
D. be sequentially accessed
Q14. Seek time for disk performance parameters is the time it takes to get into position read or write.
A. TRUE
B. FALSE
Q15. What gate is this truth table for?
×
A. AND
B. OR
C. NOT
D. THE
Q16. The Sega ___ was the first console to implement online play over a phone line, calling the system Sega Net.
A. Dreamcast
B. Mega Drive
C. Genesis
Q17. Is this device Input or Output?Printer
×
A. Input
B. Output
Q18. What is the purpose of the accumulator?
A. To perform arithmetic operations
B. To hold the results of a calculation
C. To hold the accumulation of instructions that have happened
Q19. Video game systems have relied on ___ to provide temporary storage of games as they’re being played. Without RAM, even the fastest CPU could not provide the necessary speed for an interactive gaming experience.
A. RAM
B. ROM
C. DOM
D. COM
Q20. check all that are Computer Functions
A. Sorting
B. Retrieving
C. Processing Data
D. All of the mentioned
Q21. When power is supplied to the system then to maintain data with the life of battery, computer BIOS contains the following.
A. CPU
B. RAM
C. CMOS
D. DRAM
Q22. What is a graphics card?
A. A monitor
B. Speeds up processor
C. Its a card that shows pixels on a monitor
D. A piece a junk
Q23. Which of these is an example of Secondary Storage?
A. ROM
B. Cache
C. Stored Program
D. HDD
Q24. Processors have a speed measured in (1-4)
A. Bytes
B. Bits
C. Hertz
D. Seconds
Q25. Run time mapping from logical to physical addresses is done by the
A. memory management unit
B. CPU
C. memory DIMMs
D. none of the mentioned
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