Description : The information on the data bus is transferred to the ______register: a. MOC b. MDR c. VAM d. CPU
Last Answer : b. MDR
Description : Which register is used to communicate with memory: a. MAR b. MDR c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : The lower red curvy arrow show that CPU places the address extracted from the memory location on the_____: a. Address bus b. System bus c. Control bus d. Data bus
Last Answer : a. Address bus
Description : Which register is connected to the memory by way of the address bus: a. MAR b. MDR c. SAM d. None of these
Last Answer : a. MAR
Description : MDR stands for: a. Memory data register b. Memory data recode c. Micro data register d. None of these
Last Answer : a. Memory data register
Description : The ____ place the data from a register onto the data bus: a. CPU b. ALU c. Both A and B d. None of these
Last Answer : a. CPU
Description : The value memvar must be transferred to the ___: a. Computer b. CPU c. Both A and B d. None of these
Last Answer : b. CPU
Description : ED stands for: a. Enable MRD b. Enable MDR c. Both a and b d. None of these
Last Answer : b. Enable MDR
Description : The fourth generation of microprocessor came really as a soon boon to the_____: a. Computing environment b. Processing environment c. Hot environment d. All of these
Last Answer : a. Computing environment
Description : In immediate addressing the operand is placed a. in the CPU register b. after OP code in the instruction c. in memory d. in stack
Last Answer : b. after OP code in the instruction
Description : The most common addressing techiniques employed by a CPU is a. immediate b. direct c. indirect d. register e. all of the above
Last Answer : e. all of the above
Description : Interface electronic circuit is used to interconnect I/O devices to a computer’s CPU or a. ALU b. Memory c. Buffer d. Register
Last Answer : b. Memory
Description : The CPU sends out a ____ signal to indicate that valid data is available on the data bus: a. Read b. Write c. Both A and B
Last Answer : b. Write
Description : In 8279, a scanned sensor matrix mode, if a sensor changes its state, the ___ line goes ____ to interrupt the CPU. a) CS, high b) A0, high c) IRQ, high d) STB, high
Last Answer : c) IRQ, high
Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, register ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : c) 232 byte, five 8bit, register to register
Description : 8096 has following features fill up the following, i) ____ Register file, ii) ____ I/O Ports iii) ____ architecture. a) 256 byte, five 8bit, register to register b) 256 byte, four 8bit, ... c) 232 byte, five 8bit, register to register d) 232 byte, six 8 bit, register to register
Last Answer : d) 232 byte, six 8 bit, register to register
Description : In memory transfer location address is supplied by that puts this on address bus. a. ALU b. CPU Cc. MAR d. MDR
Description : MDR(Memory Data Register) holds the --- 1) Segment number 2) Address of a memory location 3) Number of transistors 4) none of these
Last Answer : 3) Number of transistors
Description : When the RET instruction at the end of subroutine is executed, a. the information where the stack is iniatialized is transferred to the stack pointer b. the memory address of the RET instruction is ... two data bytes stored in the top two locations of the stack are transferred to the stack pointer
Last Answer : c. two data bytes stored in the top two locations of the stack are transferred to the program counter
Description : Which process information at a much faster rate than it can retrieve it from memory: a. ALU b. Processor c. Microprocessor d. CPU
Last Answer : d. CPU
Description : What is the responsibility of the logical unit in the CPU of a computer? a. To produce result b. To compare numbers c. To control flow of information d. To do math’s works
Last Answer : b. To compare numbers
Description : A/n …. Device is any device that provides information, which is sent to the CPU a. Input b. Output c. CPU d. Memory
Last Answer : a. Input
Description : A stack is a. an 8-bit register in the microprocessor b. a 16-bit register in the microprocessor c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Last Answer : c. a set of memory locations in R/WM reserved for storing information temporarily during the execution of computer
Description : A set of information that defines the status of resources allocated to a process is a. Process control b. ALU c. Register Unit d. Process description
Last Answer : d. Process description
Description : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of the ventricles. c. The end of T wave marks the
Last Answer : a. The P wave represent the electrical excitation of the_____ b. The QRS complex represents the ____ of ... The end of T wave marks the end of _____
Description : Who is the represents the fundamental process in the operation of the CPU: a. The fetch-execute cycle and pipelining b. The assembly c. Both A and B d. None of these
Last Answer : a. The fetch-execute cycle and pipelining
Description : The CPU removes the ___ signal to complete the memory write operation: a. Read b. Write c. Both A and B d. None of these
Last Answer : a. Read
Description : The upper red arrow show that CPU sends out the control signals____ and _____ indicate the data is read from the memory: a. Memory request b. Read c. Both A and B d. None of these
Description : Which is the important part of a combinational logic block: a. Index register b. Barrel shifter c. Both a & b d. None of these
Last Answer : b. Barrel shifter
Description : The processor uses the stack to keep track of where the items are stored on it this by using the: a. Stack pointer register b. Queue pointer register c. Both a & b d. None of these
Last Answer : a. Stack pointer register
Description : In which register instruction is decoded prepared and ultimately executed: a. Instruction register b. Current register c. Both a and b d. None of these
Last Answer : a. Instruction register
Description : _______ Stores the instruction currently being executed: a. Instruction register b. Current register c. Both a and b d. None of these
Description : PC’s use____ based on this architecture: a. CPU b. ALU c. MU
Description : A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU
Description : Microprocessor is fabricated on single chip using: a. MOS b. ALU c. CPU d. All of these
Last Answer : a. MOS
Description : Which is the components of computer: a. System Bus b. CPU c. Memory Unit d. All of these
Last Answer : d. All of these
Description : What is the control unit's function in the CPU? a. To transfer data to primary storage b. to store program instruction c. to perform logic operations d. to decode program instruction
Last Answer : b. to store program instruction
Description : CPU does not perform the operation a. data transfer b. logic operation c. arithmetic operation d. all of above
Last Answer : b. logic operation
Description : Where does a computer add and compare data? a. Hard disk b. Floppy disk c. CPU chip d. Memory chip
Last Answer : c. CPU chip
Description : The ________ ensures that only one IC is active at a time to avoid a bus conflict caused by two ICs writing different data to the same bus.A.control busB.control instructionsC. address decoder D.CPU
Last Answer : C. address decoder
Description : Offline device is a. A device which is not connected to CPU b. A device which is connected to CPU c. A direct access storage device d. An I/O device
Last Answer : a. A device which is not connected to CPU
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 : b. Internal memory
Description : What type of memory is not directly addressable by the CPU and requires special softw3are called EMS (expanded memory specification)? a. Extended b. Expanded c. Base d. Conventional
Last Answer : b. Expanded
Description : The brain of any computer system is a. ALU b. Memory c. CPU d. Control unit
Last Answer : c. CPU
Description : Which is an item of storage medium in the form of circular plate? a. Disk b. CPU c. Printer d. ALU
Last Answer : a. Disk
Description : . An online backing storage system capable of storing larger quantities of data is a. CPU b. Memory c. Mass storage d. Secondary storage
Last Answer : c. Mass storage
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 : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
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 : c. Control unit, arithmetic-logic unit and primary storage