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In this post we have listed some important one-line Computer architecture questions based on arithmetic and logical unit, registers, microprocessors, memory unit, instruction format, cycle, read-only memory, motherboard, type of buses, etc.
Must go through these computer architecture questions answers for your competitive exam preparation.
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Q 1.
Which method is used to establish priority by serially connecting all devices that request an interrupt ?
Ans.
Daisy chaining
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Q 2.
Which technique is used that identifies the highest priority resource by means of software ?
Ans.
Polling
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Q 3.
Arithmetic instruction are used to perform operation on ?
Ans.
Numerical data
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Q 4.
Which system was used extensively by early mini computers ?
Ans.
Octal number
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Q 5.
In which status flags required for data transfer are present ?
Ans.
Interface Circuit
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Q 6.
UMA stands for ?
Ans.
Uniform memory access
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Q 7.
A bus used to connect the monitor to CPU processor is ?
Ans.
SCSI (Small computer system interface)
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Q 8.
What is a “register” ?
Ans.
Sequential circuit
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Q 9.
Which unit is used to measure the CPU’s speed of a computer ?
Ans.
Instructions per second (IPS)
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Q 10.
Which unit is used to measure the CPU’s processing power ?
Ans.
MIPS (Million instructions per second)
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Q 11.
Motherboard is also known as ?
Ans.
Printed circuit board (PCB)
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Q 12.
Data processing cycle consists of ?
Ans.
input cycle, output cycle, and processing cycle
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Q 13.
Conversion of computer-generated results into human-readable format is the function of ?
Ans.
Output interface
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Q 14.
In which storage media, storage of information is organized as a single continuous spiral groove ?
Ans.
CD-ROM
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Q 15.
Which register hold the resuls or answer of any airthmatic or logic operation is called ?
Ans.
Accumulator
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Q 16.
The type of interrupt may be passed to the interrupt structure of CPU from ?
Ans.
Interrupt controller
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Q 17.
An intruppt can be temporarily ignored by the counter is called ?
Ans.
Maskable intruppt
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Q 18.
The most relevant addressing mode to write position independent code is ?
Ans.
Relative mode
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Q 19.
By which technique extends the storage capacity of main memory ?
Ans.
Virtual storage
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Q 20.
Which data transfer scheme prevents the CPU to perform other task while it is waiting for data transfer is ?
Ans.
Programmed I/O
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Q 21.
The ability to temporarily halt the CPU and use that time to send information on bused is called ?
Ans.
Cycle stealing
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Q 22.
A group of bits that tells the computer to perform a specific operation is known as ?
Ans.
Instruction code
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Q 23.
Link between the users and CPU is provided by ?
Ans.
Peripheral devices
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Q 24.
What is instruction prefetch ?
Ans.
Instruction prefetch is a technique used in microprocessors to speed up the execution of a program by reducing wait states.
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Q 25.
A set of registers is ?
Ans.
Internal memory in a CPU
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Q 26.
How control unit control the other units ?
Ans.
By generating control signal
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Q 27.
What is the instruction cycle for each instruction ?
Ans.
Fetch -> Decode -> Execute -> Interrupt
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Q 28.
Machine instruction LDA M used for ?
Ans.
It is used to load the content on memory M to A.
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Q 29.
What is the term 'Bit Twiddling' ?
Ans.
The operation perform to manipulate individual bit is called bit twiddling.
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Q 30.
What are the characteristics of EPIC (Explicitly Parallel Instruction Computing) ?
Ans.
It uses parallel instrcutions.
In which compiler play key role in designing the plan of execution cycle. |