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 : 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 information on the data bus is transferred to the ______register: a. MOC b. MDR c. VAM d. CPU
Last Answer : b. MDR
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 : SP of 8051 is of ___ wide and it is loaded with the default value of ___ after reset. a) 2 byte, 08H b) 8 bit, 07H c) 1 byte, 09H d) 8 bit, 06H
Last Answer : d) 8 bit, 06H
Description : A computer which has the microprocessor as______ is called as a microcomputer: a. CPU b. ALU c. RU
Last Answer : a. CPU
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 : 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 : The brain of any computer system is a. ALU b. Memory c. CPU d. Control unit
Last Answer : c. CPU
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 : 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 computer which CPU speed around 100 million instruction per second and with the word length of around 64 bits is known as a. Super computer b. Mini computer c. Micro computer d. Macro computer
Last Answer : a. Super computer
Description : A computer program that translates one program instructions at a time into machine language is called a/an a. Interpreter b. CPU c. Compiler d. Simulator
Last Answer : a. Interpreter
Description : In which form CPU provide output: a. Computer signals b. Digital signals c. Metal signals d. None of these
Last Answer : b. Digital signals
Description : Who is the brain of computer: a. ALU b. CPU c. MU d. None of these
Last Answer : b. CPU
Description : A microprocessor is a _______ chip integrating all the functions of a CPU of a computer. A. multiple B. single C. double D. triple
Last Answer : A microprocessor is a single chip integrating all the functions of a CPU of a computer.
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 ____ place the data from a register onto the data bus: a. CPU b. ALU c. Both A and B d. None of these
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 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 : 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 : ___ memory system which is discussed later can improve matters in this respect: a. Data memory b. Cache memory c. Memory d. None of these
Last Answer : b. Cache memory
Description : Which point to the ___ of the stack: a. TOP b. START c. MID
Last Answer : a. TOP
Description : 80386 support overall ___ addressing modes to facilitate efficient execution of higher level language programs. a) 9 b) 10 c) 11 d) 12
Last Answer : 11
Description : The ___ bit decides whether it is a system descriptor or code/data segment descriptor a) P b) S c) D d) G
Last Answer : a) P
Description : In 8096, mode ____ of serial port are ___ modes commonly used for ____ communications. a) 1, 8bit, single processor b) 0, 7bit, multiple microcontroller c) 2, 9 bit, multiple processors d) 3, 8 bit, multiple microcontroller
Last Answer : a) 1, 8bit, single processor
Description : 8096 write-protected mode, no code can write to memory address between __. a) 2020 to 3FFFH b) 8000 to FFFFH c) 2000 to 3FFFH d) 2020 to 202FH 17. If the __ pin is ___ , then we have the option ... b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : c) EA, high, external, internal
Description : 8096 has ___ general purpose I/O ports, Port 2 includes ______ of the following i) two quasi-bidirectional I/O lines ii) two output lines iii) four input lines iv) open drain outputs a) 4, i, iv b) 6, ii, iii c) 4, i,ii,iii d) 6, i, ii, iv
Last Answer : c) 4, i,ii,iii
Description : Intel 8096 is of ___ bit microcontroller family called as ______. a) 8, MCS51 b) 16, MCS51 c) 8, MCS96 d) 16, MCS96
Last Answer : d) 16, MCS96
Description : The SP is of ___ wide register. And this may be defined anywhere in the ______. a) 8 byte, on-chip 128 byte RAM. b) 8 bit, on chip 256 byte RAM. c) 16 bit,
Last Answer : a) 8 byte, on-chip 128 byte RAM.
Description : ___ Connection and the _______ instruction will solve the problem of synchronization between processor and coprocessor. a) INT & NMI, WAIT b) RQ/GT0 & RQ/GT1, FWAIT c) BUSY & TEST, FWAIT d) S0 & QS0, WAIT
Last Answer : b) RQ/GT0 & RQ/GT1, FWAIT
Last Answer : c) 2, 9 bit, multiple processors
Description : If the __ pin is ___ , then we have the option of using the ____ ROM or EPROM together with _____ memory and devices. a) EA, high, internal, external b) EA, low, internal, external c) EA, high, external, internal d) EA, low, external, internal
Last Answer : a) EA, high, internal, external
Description : PC’s use____ based on this architecture: a. CPU b. ALU c. MU
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 : 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 : 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 : 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 : 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 : 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 : 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