Description : DMA stands for: a. Dynamic memory access b. Data memory access c. Direct memory access d. Both B and C
Last Answer : d. Both B and C
Description : DMA stands for ________ 1) Direct Memory Access 2) Distinct Memory Access 3) Direct Module Access 4) Direct Memory Allocation
Last Answer : 1) Direct Memory Access
Description : DMA stands for ________ 1 Direct Memory Access 2 Distinct Memory Access 3 Direct Module Access 4 Direct Memory Allocation
Last Answer : 1 Direct Memory Access
Description : What does DMA stand for? A) Distinct Memory Access B) Direct Memory Access C) Direct Module Access D) Direct Memory Allocation
Last Answer : Answer : B
Description : DMA stands for: a) Dial - Up Multiplier Access b) Digital Media Access c) Direct Memory Access d) None of These
Last Answer : c) Direct Memory Access
Description : DMA stands for: a) Direct Memory Access b) Direct Module Access c) Direct Memory Access d) None of The Above
Last Answer : a) Direct Memory Access
Description : The DMA controllers are special hardware embedded into the chip in modern integrate processor that ____and_____ to the system; a. Data transfer b. arbitrate access c. Both A and B d. None of these
Last Answer : c. Both A and B
Description : An interface that provides I/O transfer of data directly to and form the memory unit and peripheral is termed as________ A. DDA B. Serial interface C. Direct Memory Access (DMA) D. None of the Above
Last Answer : C. Direct Memory Access (DMA)
Description : BHE of 8086 microprocessor signal is used to interface the a) Even bank memory b) Odd bank memory c) I/O d) DMA
Last Answer : b) Odd bank memory
Description : The magnetic storage chip used to provide non-volatile direct access storage of data and that have no moving parts are known as a. Magnetic core memory b. Magnetic tape memory c. Magnetic disk memory d. Magnetic bubble memory
Last Answer : a. Magnetic core memory
Description : Control signals used for DMA operation are ____________
Last Answer : HOLD & HLDA.
Description : Interfacing devices for DMA controller, programmable interval timer are respectively…a) 8257, 8253 b) 8253, 8257 c) 8257,8251 d)8251,825721.
Last Answer : a) 8257, 8253
Description : The mode of DMA are: a. Single transfer b. Block transfer c. Burst –block transfer d. Repeated single transfer e. Repeated–block transfer f. Repeated Burst –block transfer g. All of these
Last Answer : g. All of these
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 : CD-ROM stands for a. Compactable Read Only Memory b. Compact Data Read Only Memory c. Compactable Disk Read Only Memory d. Compact Disk Read Only Memory
Last Answer : d. Compact Disk Read Only Memory
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 : 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 : The two basic types of record-access methods are a. Sequential and random b. Sequential and indexed c. Direct and immediate d. On-line and real time
Last Answer : a. Sequential and random
Description : Magnetic disks are the most popular medium for a. Direct access b. Sequential access c. Both of above d. None of above
Last Answer : c. Both of above
Description : FAT stands for 1) File Accomdation Table 2) File Access Tape 3) File Allocation Table 4) File Activity Table
Last Answer : 3) File Allocation Table
Description : FAT stands for 1 File Accomdation Table 2 File Access Tape 3 File Allocation Table 4 File Activity Table
Last Answer : 3 File Allocation Table
Description : NMOS stands for: a. N-channel metal-oxide-semiconductor b. P-channel metal-oxide-semiconductor c. N-channel memory-oxide-semiconductor d. All the above
Last Answer : a. N-channel metal-oxide-semiconductor
Description : PMOS stands for: a. P-channel metal-oxide-semiconductor b. P-channel memory –oxide-semiconductor c. Both A and B d. None of these
Last Answer : a. P-channel metal-oxide-semiconductor
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 : 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 : MAR stands for: a. Memory address register b. Memory address recode c. Micro address register d. None of these
Last Answer : a. Memory address register
Description : PROM stands for: a. Programmable read-only memory
Last Answer : a. Programmable read-only memory
Description : MOS stands for: a. Metal oxide semiconductor b. Memory oxide semiconductor c. Metal oxide select d. None of these
Last Answer : a. Metal oxide semiconductor
Description : The ability to find an individual item in a file immediately _____ is used. 1) File allocation table 2) Directory 3) Sequential access 4) Direct access 4 5) None of these
Last Answer : Answer :1
Description : The ability to find an individual item in a file immediately _____ is used: a) file allocation table b) directory c) sequential access d) direct access e) None of The Above
Last Answer : a) file allocation table
Description : Memory access in RISC architecture is limited to instructions a. CALL and RET b. PUSH and POP c. STA and LDA d. MOV and JMP
Last Answer : c. STA and LDA
Description : A 32-bit address bus allows access to a memory of capacity(a) 64 Mb (b) 16 Mb (c) 1Gb (d) 4 Gb 2.Which processor structure is pipelined? a) all x80 processors b) all x85 processors c) all x86 processors
Last Answer : c) all x86 processors
Description : A type of core store that has a lower access time than the devices used for working store in the same processor is known as a. Core memory b. Buffer c. Fast core d. Address register
Last Answer : d. Address register
Description : Any method for controlling access to or use of memory is known a. Memory map b. Memory protection c. Memory management d. Memory instruction
Last Answer : b. Memory protection
Description : Which of the following memories has the shortest access times? a. Cache memory b. Magnetic bubble memory c. Magnetic core memory d. RAM
Last Answer : a. Cache memory
Description : Which of the following is a way to access secondary memory? a. Random access memory b. Action method c. Transfer method d. Density method
Last Answer : a. Random access memory
Description : The instructions for starting the computer are house on a. Random access memory b. CD-Rom c. Read only memory chip
Last Answer : c. Read only memory chip
Description : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB
Last Answer : What is the size of memory which can be accessed by direct accessing in 8085 microprocessor? A) 64 kB B) 4 kB C) 128 kB D) 128 MB
Description : A storage device whe3re the access time is depended upon the location of the data is a. Random access b. Serial access c. Sequential access d. Transaction access
Last Answer : b. Serial access
Description : Which of the following is not true for a magnetic disk? a. It is expensive relative to magnetic tape b. It provides only sequential access to stored data c. Users can easily update records by writing over the old data d. All of above
Last Answer : b. It provides only sequential access to stored data
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 is an integral part of any microcomputer system and its primary purpose is to hold program and data: a. Memory unit b. Register unit c. A and B d. None of these
Last Answer : a. Memory unit
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 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 Register
Last Answer : d. Program Register
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 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
Last Answer : d. Program counter
Description : Which of the following registers is loaded with the contents of the memory location pointed by the PC? a. Memory address register b. Memory data register c. Instruction registers d. Program counter
Last Answer : c. Instruction registers
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