Description : What do you call a a specific instruction designed to do a task? a) Command b) Process c) Task d) Instruction
Last Answer : Answer: a Explanation: A program is a set of instructions. A command is given to do a specific job. A program in execution is called a process
Description : Which of the following 2 task are performed to execute an instruction by MCU: a. Microinstruction execution b. Microinstruction sequencing c. Botha&b d. None of these
Last Answer : c. Botha&b
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 : A compiler is a translating program which A) Translates instruction of a high level language into machine language B) Translates entire source program into machine language program C) It is not involved in program’s execution D) All of above
Last Answer : Answer : D
Description : The register which keeps track of the execution of a program and which contains the memory address of the instruction currently being executed is known as: a) Index Register b) Memory Address Register c) Program Counter d) None of The Above
Last Answer : c) Program Counter
Description : What is the function of following UNIX command? WC - lb& (A) It runs the word count program to count the number of lines in its input, a, writing the result to b, as a foreground process. (B) It runs ... (D) It copies the l ' numbers of lines of program from file, a, and stores in file b.
Last Answer : (B) It runs the word count program to count the number of lines in its input, a, writing the result to b, but does it in the background.
Description : A set of microinstructions for a single machine instruction is called ___________ a) Program b) Command c) Micro program d) Micro command
Last Answer : Answer: c Explanation: For every micro-operation, a set of microinstructions are written which indicate the control signals to be activated. A set of microinstructions is a micro program. The address of the next microinstruction is given by a Microprogram counter
Description : A compiler is a translating program which a. Translates instruction of a high level language into machine language b. Translates entire source program into machine language program c. It is not involved in program’s execution d. All of above
Last Answer : All of above
Last Answer : d. All of above
Description : A ______ Instruction at the end of interrupt service program takes the execution back to the interrupted program. (a) Forward (b) Return (c) Data (d) Line
Last Answer : A Return Instruction at the end of interrupt service program takes the execution back to the interrupted program.
Description : A set of instruction compiled into a program that perform a particular task is known as: A. Hardware. B.CPU C. Motherboard D. Software
Last Answer : D. Software
Description : Find out the incorrect feature of Assembly language among following: a) It is also provided by the manufacturer b) One instruction for each computer operation c) Instruction codes are represented by mnemonics ... be assembled into machine language for execution d) All of the Above e) None of These
Last Answer : e) None of These
Description : The simultaneous execution of two or more instructions is called- 1) Sequential Access 2) Reduced Instruction set computing 3) Multiprocessing 4) None of these
Last Answer : 3) Multiprocessing
Description : The process of the JobTracker creates one map task for each computed input split by the user node and assigns the map tasks to the execution slots of the TaskTrackers is called as a) Task Execution b) Task Running Check c) Job Submission d) Task Assignment
Last Answer : Task Assignment
Description : Which is the method by which instructions are selected for execution: a. Instruction selection b. — Selection control c. Instraction sequencing d. All of these
Last Answer : c. Instraction sequencing
Description : The simplest method of controlling sequence of instruction execution is to have each instruction explicitly specify: a. The address of next instruction to be run b. Address of previous instruction c. Both a &b d. None of these
Last Answer : a. The address of next instruction to be run
Description : The time required to complete one instruction is called. a. Fetch time b. Execution time c. Control time d. All of these
Last Answer : b. Execution time
Description : Execution of instruction specified by instruction to perform: a. Operation b. Operands c. Both a &b d. None of these
Last Answer : a. Operation
Description : Which unit is necessary for the execution of instruction: a. Timing b. Control ce. Both d. None of these
Last Answer : ce. Both
Description : Which microinstruction provide next instruction from control memory: a. Microinstruction execution b. Microinstruction Buffer c. Microinstruction decoder d. Microinstraction Sequencing
Last Answer : d. Microinstraction Sequencing
Description : Copy of instruction in cache memory is known as: a Execution cache b. Data cache c. Instruction cache d. Allof these
Last Answer : c. Instruction cache
Description : state keeps track of position related to execution of an instruction: a. Major b. Minor c. Botha & b d. None of these
Last Answer : a. Major
Description : Pipelining strategy is called implement a. instruction execution b. instruction prefetch c. instruction decoding d. instruction manipulation
Last Answer : b. instruction prefetch
Description : What are the five steps in MIPS instruction execution?
Last Answer : 1. Fetch instruction from memory. 2. Read registers while decoding the instruction. The regular format of MIPS instructions allows reading and decoding to occur simultaneously. 3. Execute the operation or calculate an address. 4. Access an operand in data memory. 5. Write the result into a register.
Description : AVR microcontroller executes most of the instruction in _________________. A. Single execution cycle. B. Double execution cycle. C. Both A& B D. None of the above.
Last Answer : architecture of embedded system consists of
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 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 : If initial content of accumulator is 44 H, find out the new content of accumulator after execution of the instruction RR A
Last Answer : Contents of Acc will be 22H ( as RR A divides acc by 2)
Description : In an 8085 microprocessor, after the execution of XRA A instruction A) the carry flag is set B) the accumulator contains FFH C) the zero flag is set D) the accumulator contents are shifted left by one bit
Last Answer : In an 8085 microprocessor, after the execution of XRA A instruction the zero flag is set
Description : Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ? (a) Parity (b) Carry (c) Zero (d) Sign
Last Answer : Which flag does not change by the execution of the instruction DCR B in 8085 microprocessor ? (a) Parity (b) Carry (c) Zero (d) Sign
Description : The Complement Accumulator (CMA) instruction of 8085 processor on execution affects a. Zero Flag b. Sign Flag c. Carry Flag d. None of the flags
Last Answer : B
Last Answer : Instruction execution has 5 basic stages:1. Fetch instruction:The task of reading the next instruction from memory into the instruction register.2. Decode instruction:The task of determining what operation ... into an appropriate register.5. Store results:The task of writing a register into memory.
Description : In Unix, the command to enable execution permission for file “mylife” by all is ................ (A) Chmod ugo+X myfile (B) Chmod a+X myfile (C) Chmod +X myfile (D) All of the above
Last Answer : (D) All of the above
Description : Virtual Mode Flag bit can be set using ____ instruction or any task switch operation only in the _____ mode a) IRET, Virtual b) POPF, Real c) IRET, protected d) POPF, protected
Last Answer : b) POPF, Real
Description : Which of the following set of statements reflects the basic characteristics of teaching ? Select the correct alternative from the codes : (i) Teaching is the same as training. (ii) There is no difference between instruction and conditioning ... (vi) (C) (ii), (iii) and (v) (D) (i), (iv) and (vi)
Last Answer : Answer: B
Description : What is an interpreter? A) An interpreter does the conversion line by line as the program is run B) An interpreter is the representation of the system being designed C) An interpreter is a general purpose language providing very efficient execution D) None of the above
Last Answer : Answer : B
Description : What is a compiler? A) A compiler does a conversion line by line as the program is run B) A compiler converts the whole of a higher level program code into machine code in one step C) A compiler is a general purpose language providing very efficient execution D) None of the above
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 : 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 : The time between program input and output is called (1) Turn around time (2) Waiting time (3) Execution time (4) Delay time
Last Answer : Turn around time
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 : Call instruction is written inthe ss program. a. Main b. Procedures c. Program d. Memory
Last Answer : a. Main
Description : When a subroutine is called, the address of the instruction following the CALL instructions stored in/on the a. stack pointer b. accumulator c. program counter d. stack
Last Answer : d. stack
Description : Match the following mechanisms for interrupting the execution of a process and their uses. i) Interrupt a) Call to an operating system function ii) Trap b) Reaction to an asynchronous external event iii) Supervisor Call c) Handling of a error ... -a, iii-b C) i-b, ii-c, iii-a D) i-a, ii-c, iii-b
Last Answer : C) i-b, ii-c, iii-a
Description : Process is ........................ A) A program in execution B) An instance of a program running on a computer. C) The entity that can be assigned to and executed D) All of the above.
Last Answer : D) All of the above.
Description : What do you call the word processing task associated with changing the appearance of a document: a) Formatting b) Editing c) Rewording d) None of The Above
Last Answer : a) Formatting
Description : The term Software refers to the set of ________or data a computer processor reads in order to perform a task or operation: a) Electronic Program Instructions b) Planned program instructions
Last Answer : a) Electronic Program Instructions
Description : ____ is a small picture on screen that depicts program, file or folder: a) Start Bottom b) Task Bar c) Icon d) Pixel e) Cursor
Last Answer : c) Icon
Description : Which of the following registers is used to keep track of address of the memory location where the next instruction is located? A) Memory address register B) Memory data register C) Instruction register D) Program counter
Description : A computer Program that translates one program instruction at a time into machine language is called a/an A) Interpreter B) CPU C) Compiler D) Simulator
Last Answer : Answer : A