Description : The information is transferred from the_____ and ____ specified register: a. MDR b. CPU c. Both A and B
Last Answer : c. Both A and B
Description : Which microprocessor to read an item from memory: a. VAM b. SAM c. MOC d. None of these
Last Answer : b. SAM
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 : 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 : MOC stands for: a. Memory operation complex b. Micro operation complex c. Memory operation complete d. None of these
Last Answer : c. Memory operation complete
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 ________ 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 : 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 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 : 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 bus transfer singles from the CPU to external device and others that carry singles from external device to the CPU: a. Control bus b. Data bus c. Address bus d. None of these
Last Answer : a. Control bus
Description : CPU can read & write data by using : a. Control bus b. Data bus c. Address bus d. None of these
Last Answer : b. Data bus
Description : The value memvar must be transferred to the ___: a. Computer b. CPU c. Both A and B d. None of these
Description : Which register is used to communicate with memory: a. MAR b. MDR c. Both A and B d. None of these
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 : VAM stands for: a. Valid memory address b. Virtual memory address c. Variable memory address d. None of these
Last Answer : a. Valid memory address
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 : Which of the following are the two main components of the CPU? a. Control unit and registers b. Registers and main memory c. Control Unit and ALU d. ALU and bus
Last Answer : c. Control Unit and ALU
Description : The CPU completes yields control of the bus to the DMA controller via: a. DMA acknowledge signal b. DMA integrated signal c. DMA implicitly signal d. None of these
Last Answer : a. DMA acknowledge signal
Description : Which Bus connects CPU & level 2 cache: a. Rear side bus b. Front side bus c. Memory side bus d. None of these
Last Answer : b. Front side bus
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 : 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 : 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 : . 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 : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
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 : System Bus Contains: a. Address Bus b. Data Bus c. Control Bus d. All of these
Description : Which bus carry addresses: a. System bus b. Address bus c. Control bus d. Data bus
Last Answer : b. Address bus
Description : _____ a subsystem that transfer data between computer components inside a computer or between computer: a. Chip b. Register c. Processor d. Bus
Last Answer : d. Bus
Description : What does microprocessor speed depends on? a) Clock b) Data bus width c) Address bus width
Last Answer : c) Address bus width
Description : Why 8085 processor is called an 8 bit processor? a) Because 8085 processor has 8 bit ALU. b) Because 8085 processor has 8 bit data bus. c) a & b.
Last Answer : a) Because 8085 processor has 8 bit ALU.
Description : PC’s use____ based on this architecture: a. CPU b. ALU c. MU
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 : 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 : 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 : 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 : 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 : 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 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 : 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
Description : A directly accessible appointment calendar is feature of a … resident package a. CPU b. Memory c. Buffer d. ALU