Description : A direct method of deadlock prevention is to prevent the occurrence of ………….. A) Mutual exclusion B) Hold and wait C) Circular waits D) No preemption
Last Answer : C) Circular waits
Description : The following conditions of policy must be present for a deadlock to be possible. i) Mutual exclusion ii) Hold and wait iii) No preemption iv) Circular wait A) i, ii and iii only B) ii, iii and iv only C) i, iii and iv only D) All i, ii, iii and iv
Last Answer : D) All i, ii, iii and iv
Description : A direct method of deadlock prevention is to prevent the occurrences of ................... A) Mutual exclusion B) Hold and wait C) Circular waits D) No preemption
Description : Which are the characteristics of deadlocks. a. Mutual exclusion b. Hold and wait Cc. No pre-emption d. = Circular wait e. Allof these
Last Answer : e. Allof these
Description : How many condition that should be met in order to produce a deadlock. a. 2 b 4 Cc. 6 d 8
Last Answer : b 4
Description : Match the following. i) Mutual exclusion a) A process may hold allocated resources while waiting assignment. ii) Hold and wait b) No resource can be forcibly removed from a process holding it. iii) No preemption c) Only one process may use ... , ii-c, iii-b C) i-b, ii-c, iii-a D) i-c, ii-a, iii-b
Last Answer : D) i-c, ii-a, iii-b
Description : Necessary conditions for deadlock are: a) Non preemptive and circular wait b) Mutual exclusion and partial allocation c) Both of The Above d) None of The Above
Last Answer : b) are privileged calls that are used to perform resource management functions, which are controlled by the operating system
Description : emaphore provides mutual exclusion for accesses to the buffer pool and is initialized to the value: a. Mutex b. Mutual Cc. Memory d. __ Allof these
Last Answer : Mutex
Description : …………… is a condition in which there is a set of concurrent processes, only one of which is able to access a given resource or perform a given function at any time. A) Mutual Exclusion B) Busy Waiting C) Deadlock D) Starvation
Last Answer : A) Mutual Exclusion
Description : ……………. Can be defined as the permanent blocking of a set of processed that either complete for system resources or communicate with each other. A) Deadlock B) Permanent lock C) Starvation D) Mutual exclusion
Last Answer : A) Deadlock
Description : ………………. Techniques can be used to resolve conflicts, such as competition for resources, and to synchronize processes so that they can cooperate. A) Mutual Exclusion B) Busy Waiting C) Deadlock D) Starvation
Description : Absolute entitiesare_ Ss whom value signify storage locations that are independent of resulting machine code: a. Numeric constants b. String constants c. Fixed addresses d. Operation codes e. Allofthese
Last Answer : e. Allofthese
Description : Which are the algorithm based on add/subtract and shift category: a. Restoring division b. Non-restoring division c. SRT division d. Allofthese
Last Answer : d. Allofthese
Description : In which section only one process is allowed to access the shared variable and all other have to wait. a. Critical section b. Racing section Cc. Entry section d. Remainder section
Last Answer : . Critical section
Description : is which initializes the value of variable: a. Assignment expression b. Condition value Cc. Increment/decrement d. None of these
Last Answer : a. Assignment expression
Description : Which are the method for handling deadlocks. a. Deadlock prevention b. Deadlock avoidance c. Deadlock detection d. Allof these
Last Answer : d. Allof these
Description : Which lock is more serious than indefinite postponement or starvation because it affect more than one job: a. Deadlock b. Spinelock c. Both d. None of these
Last Answer : a. Deadlock
Description : hich section is the remaining part of a process’s code: a. Racing section b. Critical section Cc. Entry section d. Reminder secti
Last Answer : b. Entry section
Description : a direct arrow is drawn from the process to the resource rectangle to represent each pending resource request: a. TS b. SP Cc. CCR d. RAG
Last Answer : d. RAG
Description : Which memory is assembled between main memory and CPU: a. Primary memory b. Cache memory Cc. Botha & b d. None of these
Last Answer : b. Cache memory
Description : can read any printed character by comparing the pattern that is stored in the computer: a. SP b. CCR Cc. RAG d. OCR
Last Answer : d. OCR
Description : How many system of arithmetic, which are often used in digital system. a. 5 b. 6 Cc. 3 d 4
Last Answer : d 4
Description : How many important ideas to notice about these odometer readings: a. 1 b 2 Cc. 3 d 4
Last Answer : b 2
Description : How many main approaches to algorithm for division: a 2 b 3 Cc. 4 d 5
Last Answer : a 2
Description : 3 bit binary numbers can be represented by a. Binary number b. Decimal number Cc. Hexadecimal number d. Octal number
Last Answer : d. Octal number
Description : Which system groups number by sixteen and power of sixteen. a. Binary b. Hexadecimal Cc. Octal d. None of these
Last Answer : b. Hexadecimal
Description : Which number are used extensively in microprocessor work: a. Octal b. Hexadecimal Cc. Both d. None of these
Description : Counting in hex, each digit can be increment from. a OtoF b. OtoG Cc. Oto H d. Oto]
Last Answer : a OtoF
Description : How many parts of floating point representation of a number consists. a. 4 b 2 Cc. 3 d 5
Description : How many bit of exponent: a. 4 b 6 Cc. 8 d. 10
Last Answer : b 6
Description : The register that includes the address of the memory unit is termed asthe _ a. MAR b PC Cc. IR d. None of these
Last Answer : a. MAR
Description : In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR
Last Answer : b. CPU
Description : In register transfer which system is a sequential logic system in which flip-flops and gates are constructed: a. Digital system b. Register Cc. Data d. None
Last Answer : a. Digital system
Description : Register are assumed to use positive-edge-triggered _ a. Flip-flop b. Logics Cc. Circuit d. Operation
Last Answer : a. Flip-flop
Description : When subroutine is called contents of program counter is location address of __ instruction following call instruction is stored on _ __and program execution is transferred to __ address. a. Non ... , Stack and Main program Cc. Executable, Queue and Subroutine d. Executable, Stack and Subroutine
Last Answer : d. Executable, Stack and Subroutine
Description : Opcode is the machine instruction obtained from decoding instruction stored in. a. Stack pointer b. Address pointer Cc. Instruction register d. Incrementer
Last Answer : Cc. Instruction register
Description : Branching is implemented by depending on output of: a CD b RG c. CC d. CR
Last Answer : a CD
Description : How many bits of OPR select one of the operations in the ALU: a. 2 b 3 Cc. 4 dad 5
Last Answer : dad 5
Description : Which register holds the item that is to be written into the stack or read out of the stack: a. SR b. IR Cc. RR d DR
Last Answer : d DR
Description : In register stack the top item is read from the stack into: a. SR b. IR Cc. RR d. DR
Last Answer : d. DR
Description : Instruction formats contains the memory address of the a. Memory data b. Main memory Cc. CPU d. ALU
Last Answer : b. Main memory
Description : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA
Description : ___ mode of addressing is a form of implied addressing: a. Stack b. Array Cc. Queue d. ‘Binary
Last Answer : a. Stack
Description : In data transfer manipulation designing as instruction set for a system isa complex_ a. Art b. System Cc. Computer d. None of these
Last Answer : a. Art
Description : Which is always considered as short jumps: a. Conditional jump b. Short jump Cc. Near jump d. Far jump
Last Answer : a. Conditional jump
Description : NUMA stands for. a. Number Uniform memory access b. Not Uniform memory access Cc. Non Uniform memory access d. __ Allof these
Last Answer : a. Number Uniform memory access
Description : Which types of register holds a single vector containing at least two read ports and one write ports: a. Data system b. Data base Cc. Memory d. Vector register
Last Answer : d. Vector register
Description : Parallel computing means doing several takes simultaneously thus improving the performance of the a. Data system b. Computer system Cc. Memory d. Vector register
Last Answer : b. Computer system
Description : In the case of a left arithmetic shift , zeros are Shifted to the 3 a. Left b. Right Cc. Up d. Down
Last Answer : b. Right
Description : In the case of a right arithmetic shift the sign bit values are shifted to the a. Left b. Right Cc. Up d. Down
Last Answer : a. Left