50 Important MCQs that have appeared in the paper this time. CS501- Advance Computer Architecture
CS501- Advance Computer Architecture MCQs
Question No: 2 - Please choose one The instruction set is of _____________ importance in governing the structure and function of the pipeline.
►Least
►Primary
►Secondary
►No
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Question No: 3 - Please choose one ____________ is the most general and least useful performance metrics for RISC machines.
►MIPS
►Instruction Count
►Number of registers
►Clock Speed
Question No: 4 - Please choose one A _________ provides four functions: Select, DataIn, Data Out and Read/Write.
►ALU
►Bus
►Register
►Memory Cell (Page 351)
Question No: 5 - Please choose one We can classify or partition the SRC instructions by their overall ______________ behavior.
►Register transfer
►Memory transfer
►Execution
►Logical
Question No: 6 - Please choose one The ____________ RTN describes detailed register transfer steps in the data path that produce the overall effect.
►Abstract
►Concrete
►Absolute
►Basic
Question No: 7 - Please choose one All members of the MC68000 family are ____________ processors.
►32-bit
►16-bit
►64-bit
►8-bit
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Question No: 8 - Please choose one _________ Operations refers to a processor that can issue more than one instruction simultaneously.
►Macro
►Micro
►Scalar
►Superscalar
Question No: 9 - Please choose one Exceptions which are _______________ occur in response to events that are paced by the internal processor clock.
► Asynchronous
► Synchronous
► Internal
► External
Question No: 10 - Please choose one In the hazard detection by hardware, resolved by pipeline stalls, if the instructions are in the adjoining stages, then the hazard must be detected in stage __________.
► 4
► 2
► 3
► 1
CS501 - ADVANCE COMPUTER ARCHITECTURE
Question No: 1 - Please choose one 16k x4 static RAM Chip is arranged in the form of four _____________ cells.
►16x512
►32x512
►256x512
►64x256 (Page 352)
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Question No: 2 - Please choose one In a DRAM cell, the storage capacitor will discharge in around ______________
►4 -15 ms (Page 354)
►2 - 10 ms
►5-20 ms
►10-25 ms
Question No: 3 - Please choose one 1-bit sign, 8-bit exponent, 23-bit fraction and a bias of 127 is used for ___________ Binary Floating Point Representation
►Double precision
►Single Precision (Page 348)
►All of above
►Half Precision
Question No: 4 - Please choose one The average rotational latency if the disk rotated at 20,000rpm is _____________
►0.5 ms
►3.5 ms
►2.5 ms
►1.5 ms (Page 324)
Question No: 5 - Please choose one A hard disk with 5 platters has 1024 tracks per platter, 512 sectors per track and 512 bytes/sector. What is the total capacity of the disk?
►1.5 GB
►1 GB (Page 324)
►2 GB
►3 GB
Question # 1 of 10 Select correct option: Which one of the following registers store a previously calculated value or a value loaded from the main memory?
► Accumulator
► Address Mask
► Instruction Register
► Program Counter
Question # 2 of 10 Select correct option: Which one of the following portions of an instruction represents the operation to be performed?
► Address
► Instruction code
► Opcode (Page 33)
► Operand
Question # 3 of 10 Select correct option: _______ control signal enable the input to the PC for receiving a value that is currently on the internal processor bus.
►LPC (Page 172)
► INC4
► LC
► Cout
Question # 4 of 10 Select correct option: What is the instruction length of the FALCON-E processor?
► 8 bits
► 16 bits
►32 bits (Page 134)
► 64 bits 21
Question # 5 of 10 Select correct option: Which type of instructions enables mathematical computations?
►Arithmetic (Page 92)
►Control
►Data transfer
►None of the given
Question # 6 of 10 Select correct option: What is the instruction length of the SRC and Falcon E processor?
► 8 bits
► 16 bits
► 32 bits (Page 134)
► 64 bits
Question # 7 of 10 Select correct option: An instruction that specifies one operand in memory and one operand in a register would be known as a __________ address instruction.
►2-1/2
►1-1/2 (Page 37)
►0
►2
Question # 8 of 10 Select correct option: In floating point representations ______ is also called mantissa.
►Sign
►Base
►Significant (Page 347)
►Exponent
Question # 9 of 10 Select correct option: What should be the behavior of interrupts during critical sections?
►Must remain disable (Page 197)
►Must remain Enable
►Can be either enable or disable
►only important interrupts be enable
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Question # 10 of 10 Select correct option: Which one of the following is a binary cell capable of storing one bit of information?
►Decoder
►Flip-flop (Page 76)
►Multiplexer
►Diplexer
Question # 1 of 10 Select correct option: Which type of instructions load data from memory into registers, or store data from registers into memory and transfer data between different kinds of special-purpose registers?
►Arithmetic
►Control
►Data transfer (Page 88)
►Floating point
Question # 2 of 10 Select correct option: What does the RTL expression [M(1234)] means?
►The contents of memory whose address is 1234.
►The contents of data register 1234
►The effective address of register 1234
►The address of memory whose address is 1234.
Question # 3 of 10 Select correct option: Which one of the following languages presents a simple, human-oriented language to specify the operations, register communication and timing of the steps that take place within a CPU to carry out higher level (user programmable) instructions?
►Assembly Language
►OOP(Object Oriented Language)
►RTL (Register Transfer Language)
►UML(Unified Modeling language)
Question # 4 of 10 Select correct option: Which one of the following instructions is used to load register from memory using a relative address?
►la
►lar
►ldr (Page 145)
►str 23
Question # 5 of 10 Select correct option: Taking control of the system bus for a few bus cycles is known as _____________.
►Bus Stealing
►Cycle Stealing (Page 317)
►Cycle Transfering
►None of given
Question # 6 of 10 Select correct option: In-------------address mode, the actual data is stored in the instruction.
►Direct
►Indirect
►Immediate
►Relative
Question # 7 of 10 Select correct option: Keyboard Interrupt (INT 9) is an example of ----- interrupt.
►Hardware
►Software
Question # 8 of 10 Select correct option: A user program has to delete a file. The user program will be executing in the user mode. When it makes the specific system call to delete the file, an interrupt will be generated, this will cause the processor to halt its current activity and switch to supervisor mode. Once in supervisor mode, the operating system will delete the file and then control will return to the user program. This is an example of
►Hardware interrupt
►Software interrupt (Page 275)
►Exception
►All of the given
Question # 9 of 10 Select correct option: By which file extension does the FALCON-A Assembler loads a FALCON-A assembly file?
►.asmfa (Page 8)
►.org
►.exe
►.src
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Question # 10 of 10 Select correct option: All ----------interrupts have priority over all ---------interrupts
►internal, external (Page 279)
►external, internal
Question # 1 of 10 Select correct option: The ------- can also be used anywhere in the source file to force code at a particular address in the memory.
►.end directive
►.start directive
►.label directive
►.org directive (Page 298)
Question # 2 of 10 Select correct option: In this figure, the constant value specified by the immediate field is added to the register value, and the resultant is the index of memory location that is referred i.e. Effective Address = A + (content of R) . Identify the addressing mode.
► Displacement (Page 139)
► Immediate
► Indexed
► Relative
Question # 3 of 10 Select correct option: In which one of the following addressing modes, the operand does not specify an address but it is the actual data to be used.
► Direct
► Indirect
► Immediate
► Relative 25
Question # 4 of 10 Select correct option:
When is the “Divide error interrupt‖ generated?
► When an attempt is made to divide by decimal number
► When an attempt is made to multiply by zero
► When an attempt is made to divide by zero (Page 197)
► When negative number is stored in a register
Question # 5 of 10 Select correct option: Which one of the following is a term used to describe a storage systems' resilience to disk failure through the use of multiple disks and by the use of data distribution and correction techniques?
► Interrupt handling
► Programmed I/O
► Polling
► RAID
Question # 6 of 10 Select correct option: ___________ is the time for first bit of the message to arrive at the receiver including delays.
► Transmission Time
► Latency
► Transport Latency
► Time of Flight (Page 388)
Question # 7 of 10 Select correct option: Falcon-A Simulator loads a FALCON-A binary file with a ________ extension and presents its contents into different areas of the simulator.
► .bin
► .binfa (Page 5)
► .fa
► None of the given
Question # 8 of 10 Select correct option: In machines where instructions can be executed in parallel or out of order, two additional hazards can occur: WAW and ------------
► None fo the given
► WAR
► RAW
► RAR
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Question # 9 of 10 Select correct option: For ________ of an error we just need to know that there exists an error.
► None of the given
► Correction
► Detection (Page 328)
► Both Correction and Detection
Question # 10 of 10 Select correct option: Identify the type of serial communication error condition in which 0 is received instead of a stop bit (which is always a 1)?
► Framing error (Page 240)
► Parity error
► Overrun error
► Under-run error
Question # 1 of 10 Select correct option: __________ is/are defined as the number of instructions processed per second
► Throughput (Page 203)
► Latency Time to process 1 request.
► Throughput and Latency
► None of the given
Question # 2 of 10 Select correct option: Raid Level ____ is not a true member of the RAID family.
►0 (Page 330)
►2
►3
►4
Question # 3 of 10 Select correct option: Which one of the following is an address (binary bit pattern) issued by CPU?
►Memory
►Effective (Page 39)
►Base
►Next instruction
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Question # 4 of 10 Select correct option: Which one the following interrupts is initiated with an INT instruction?
►Hardware
►Software
►Both hardware and Software
►None of the given
Question # 5 of 10 Select correct option: An -----------is a program that takes basic computer instructions and converts them into a pattern of bits that the computer's processor can use to perform its basic operations.
►Assembler
►Debugger
►Editor
►Console
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