Description : CPU Scheduler is also known as _____ . (1) Job Scheduler (2) Resource Scheduler (3) Short-term Scheduler (4) Process Scheduler
Last Answer : Short-term Scheduler
Description : The section of the CPU that selects, interprects and monitors the execution of program instructions is (1) Memory (2) Register (3) Control unit (4) ALU
Last Answer : Control unit
Description : Suppose there are four processes in execution with 12 instances of a Resource R in a system. The maximum need of each process and current allocation are given below: With reference to current allocation, is system safe? If so, ... B) Yes, P1 P2 P3 P4 (C) Yes, P4 P3 P1 P2 (D) Yes, P2 P1 P3 P4
Last Answer : (C) Yes, P4 P3 P1 P2
Description : Some of the criteria for calculation of priority of a process are: a. Processor utilization by an individual process. b. Weight assigned to a user or group of users. c. Processor utilization by a user or group of processes. In fair share ... (a) and (c) (3) (a), (b) and (c) (4) only (b) and (c)
Last Answer : (3) (a), (b) and (c)
Description : The CPU also called the … when talking about PCs, does the vast majority of the processing for a computer. a) Macroprocessor b) RAM c) Memory system d) microprocessors e) None of these
Last Answer : d) microprocessors
Description : Which of the following allows a virtual machine to run on two or more physical processors at the same time? a) Virtual SMP b) Distributed Resource Scheduler c) vNetwork Distributed Switch d) Storage VMotion
Last Answer : Virtual SMP
Description : A memory in CPU that holds program instructions, input data, intermediate results and the output information produced during processing is __________ A. System B. Primary Memory C. Secondary Memory D. None of the above
Last Answer : B. Primary Memory
Description : The CPU of a system having 1 MIPS execution rate needs 4 machine cycles on an average for executing an instruction. The fifty percent of the cycles use memory bus. A memory read/write employs one machine cycle. For ... (A) 500 Kbytes/sec (B) 2.2 Mbytes/sec (C) 125 Kbytes/sec (D) 250 Kbytes/sec
Last Answer : (D) 250 Kbytes/sec
Description : A scheduling Algorithm assigns priority proportional to the waiting time of a process. Every process starts with priority zero (lowest priority). The scheduler re-evaluates the process priority for every 'T' time ... (A) Priority scheduling (B) Round Robin Scheduling (C) Shortest Job First (D) FCFS
Last Answer : (B) Round Robin Scheduling
Description : The use of spooler programs and/or “. Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress a. Registered mails b. Memory c. CPU d. Buffer
Last Answer : Buffer
Description : The use of spooler programs and/or …. Hardware allows personal computer operators to do the processing work at the same time a printing operation is in progress a. Registered mails b. Memory c. CPU d. Buffer
Last Answer : d. Buffer
Description : Let Pi and Pj be two processes, R be the set of variables read from memory, and W be the set of variables written to memory. For the concurrent execution of two processes Pi and Pj, which of the following conditions is not true? (A) R(Pi)∩W(Pj)=Φ (B) W(Pi)∩R(Pj)=Φ (C) R(Pi)∩R(Pj)=Φ (D) W(Pi)∩W(Pj)=Φ
Last Answer : (C) R(Pi)∩R(Pj)=Φ
Description : Consider the following justifications for commonly using the two-level CPU scheduling : I. It is used when memory is too small to hold all the ready processes. II. Because its performance is same as that of the FIFO. III. Because it ... ? (A) I, III and IV (B) I and II (C) III and IV (D) I and III
Last Answer : (D) I and III
Description : An Intelligent terminal (1) has a microprocessor, but cannot be programmed by the user (2) can process small data processing jobs, with the use of a large CPU (3) interacts with the user in English (4) cannot take data from the user
Last Answer : can process small data processing jobs, with the use of a large CPU
Description : A ______ occurs when each player selects one of his strategies a. Profit b. Decision c. Play d. Game
Last Answer : c. Play
Description : A ______ is the one in which the player selects more than one strategy with fixed probabilities before playing the game. a. Mixed strategy b. Pure strategy c. Complete strategy d. Impure strategy
Last Answer : d. Impure strategy
Description : Assembler is: a) a program that places programs into memory and prepares them for execution b) a program that automate the translation of assembly language into machine language c) is a program that appears to execute a source program as if it were machine language d) None of The Above
Last Answer : b) a program that automate the translation of assembly language into machine language
Description : ________ is a program that places programs into memory and prepares them for execution. (1) Assembler (2) Compiler (3) Loader (4) Macro processor
Last Answer : Loader
Description : Complete the following statement. The method of incorporating change into project planning and execution processes is called the: Select one: a. project logic diagram. b. change management process. c. milestone schedule d. critical path e. rough order of magnitude
Last Answer : b. change management process.
Description : CPU is: a) Control Processing Unit b) Computer Programming Unit c) Central Processing Unit d) None of These
Last Answer : c) Central Processing Unit
Description : The unit of hardware, which an operator uses to monitor computer processing, is the 1) Card Reader 2) CPU 3) Line Printer 4) Console
Last Answer : 4) Console
Description : CPU stands for - 1) Computer Processing Unit 2) Central Processing Unit 3) Computer Protection Unit 4) None of these
Last Answer : 2) Central Processing Unit
Description : ………. Involves treating main memory as a resource to be allocated to and shared among a number of active processes. A) Partition management B) Memory management C) Disk management D) All of the above
Last Answer : B) Memory management
Description : Which scheduling service is used to handle traffic with different priorities? (1) Traffic management (2) QoS traffic scheduling (3) QoS Scheduler (4) Qos Manager
Last Answer : QoS traffic scheduling
Description : A computer program selects an integer in the set {k : 1 ≤ k ≤ 10,00,000} at random and prints out the result. This process is repeated 1 million times. What is the probability that the value k = 1 appears in the printout atleast once ? (A) 0.5 (B) 0.704 (C) 0.632121 (D) 0.68
Last Answer : (C) 0.632121
Description : A thread is a ………… process, which is managed by OS scheduler. (a) heavy weight (b) multiproces -Technology
Last Answer : (d) A thread is a light weight process because it executes sequentially.
Description : What is the permanent memory built into your computer called: a) RAM b) Floppy c) CPU d) CD - ROM e) ROM
Last Answer : e) ROM
Description : What is the permanent memory built into your computer called? 1) RAM 2) ROM 3) CPU 4) CD-ROM
Last Answer : 2) ROM
Description : What is Central Processing Unit ( CPU) ?
Last Answer : CPU is the brain of the computer. This is because the human brain is connected to every part of the body , the nervous system, as well as the input and output devices of the computer's CPU. The CPU processes the information obtained and produces results.
Description : The central processing unit (CPU) consists of A) Input, output and processing B) Control unit, primary storage, and secondary storage C) Control unit, arithmetic-logic unit and primary storage D) Control unit, processing, and primary storage
Last Answer : Answer : C
Description : Which of the following is correct: a) ALU - Arithmetic Logic Unit b) CU - Control Unit c) CPU - Central Processing Unit d) All of Above e) None of These
Last Answer : d) All of Above
Description : A high speed device used in CPU for temporary storage during processing is called: a) A register b) A Data Bus c) All of The Above d) None of The Above
Last Answer : a) A register
Description : _____ is the part of the Central Processing Unit (CPU). (1) Monitor (2) Arithmetic and Logic Unit (3) Keyboard (4) Printer
Last Answer : Arithmetic and Logic Unit
Description : In MS-Excel, which of the following keys helps you to selects all cells below the current selection, up to the edge of the current data region: a) Ctrl + Shift + Down Arrow Key b) Ctrl + Shift + Right Arrow Key c) Ctrl + Shift + D d) None of These
Last Answer : a) Ctrl + Shift + Down Arrow Key
Description : Time during which a job is processed by the computer is A) Delay times B) Real time C) Execution time D) Down time
Description : Consider a uniprocessor system where new processes arrive at an average of five processes per minute and each process needs an average of 6 seconds of service time. What will be the CPU utilization ? (A) 80 % (B) 50 % (C) 60 % (D) 30 %
Last Answer : (B) 50 %
Description : Ininstruction formats the information required by the _ for execution: a. ALU b. CPU Cc. RISC d. DATA
Last Answer : b. CPU
Description : How CPU execution time for a program in calculated?
Last Answer : CPU execution time for a program = CPU clock cycle for a program X Clock cycle time
Description : A CPU handles interrupt by executing interrupt service subroutine................. (A) by checking interrupt register after execution of each instruction (B) by checking interrupt register ... cycle (C) whenever an interrupt is registered (D) by checking interrupt register at regular time interval
Last Answer : (A) by checking interrupt register after execution of each instruction
Description : Consider a system with seven processes A through G and six resources R through W. Resource ownership is as follows: process A holds R and wants T process B holds nothing but wants T process C holds nothing but wants S process D holds U ... No (B) Yes, A, B, C (C) Yes, D, E, G (D) Yes, A, B, F
Last Answer : (C) Yes, D, E, G
Description : Virtual memory is 1) Memory on the hard disk that the CPU uses as an extended RAM 2) RAM 3) Only necessary if you do not have any RAM in your computer 4) A back up device for floppy disks 5) None of these
Last Answer : Answer :2
Description : Which of the following refers to the memory in your computer? 1) RAM 2) DSL 3) USB 4) LAN 5) CPU
Last Answer : Answer :1
Description : Which computer memory is used for storing programs and data currently being processed by the CPU? A) Mass memory B) Internal memory C) Non-volatile memory D) PROM
Last Answer : Answer : B
Description : The brain of any computer system is A) ALU B) Memory C) CPU D) Control unit
Description : Which bus connects all the internal components of a computer such as CPU and memory to the main board(motherboard)? A. Expansion Bus B. External Bus C. Internal Bus D. None of the Above
Last Answer : C. Internal Bus
Description : Where does a computer add and compare data: a) Floppy Disk b) CPU Chip c) Memory Chip d) None of The Above
Last Answer : b) CPU Chip
Description : Which computer memory is used for storing programs and data currently being processed by the CPU? a) Mass memory b) Internal memory c) Non-volatile memory d) PROM e) None of these
Last Answer : b) Internal memory
Description : Register is a 1) Set of capacitors used to register input instructions in a digital computer 2) Set of paper tapes and cards put in a file 3) Temporary storage unit within the CPU having dedicated or general purpose use 4) part of the auxiliary memory
Last Answer : 3) Temporary storage unit within the CPU having dedicated or general purpose use
Description : The most crucial portion of any computer is the _____. (1) I/O Unit (2) Hard Disk (3) CPU (4) Memory
Last Answer : CPU