Description : For the most Static RAM the write pulse width should be at least a) 10ns b) 60ns c) 300ns d) 1μs
Last Answer : b) 60ns
Description : Which term is used to describe RAM? a. Dynamic RAM (DRAM) b. Static RAM (SRAM) c. Video RAM (VRAM) d. All of the above
Last Answer : d. All of the above
Description : Which RAM is created using MOS transistors: a. Dynamic RAM b. Static RAM c. Permanent RAM
Last Answer : a. Dynamic RAM
Description : Which type of RAM needs regular referred: a. Dynamic RAM b. Static RAM c. Permanent RAM d. SD RAM
Description : The ram which is created using bipolar transistors is called: a. Dynamic RAM b. Static RAM c. Permanent RAM d. DDR RAM
Last Answer : b. Static RAM
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 : The memory which is programmed at the time it is manufactured a. POM b. RAM c. PROM d. EPROM
Last Answer : a. POM
Description : A typical personal computer used for business purposes would have… of RAM. a. 4 KB b. 16 K c. 64 K d. 256 K
Last Answer : d. 256 K
Description : Which is the type of memory for information that does not change on your computer? a. RAM b. ROM c. ERAM d. RW / RAM
Last Answer : b. ROM
Description : which chips using special external equipment can reprogram a. ROM b. PROM c. SAM d. RAM
Last Answer : b. PROM
Description : A memory that is capable of determining whether a given datum is contained in one of its address is a. ROM b. PROM c. CAM d. RAM
Last Answer : c. CAM
Description : Which of the following memories allows simultaneous read and write operations? a. ROM b. RAM c. EPROM d. None of above
Last Answer : b. RAM
Description : If in a computer, 16 bits are used to specify address in a RAM, the number of addresses will be a. 216 b. 65,536 c. 64K d. Any of the above
Last Answer : b. 65,536
Description : The silicon chips used for data processing are called a. RAM chips b. ROM chips c. Micro processors d. PROM chips
Last Answer : d. PROM chips
Description : The two kinds of main memory are: a. Primary and secondary b. Random and sequential c. ROM and RAM d. All of above
Last Answer : c. ROM and RAM
Description : In linear decoding address bus of 16-bit wide can connect only ____ of RAM. a. 16 KB b. 6KB c. 12KB d. 64KB
Last Answer : b. 6KB
Description : Which of the following instruction perform the move accumulator to external RAM of 16bit address? a) MOV @ DPTR, A b) MOVX @ Ri, A c) MOV A, @ Ri d) MOVX @ DPTR, A
Last Answer : c) MOV A, @ Ri
Description : Which of the following instruction perform as of indirect RAM to accumulator? a) MOV A, Rn b) MOV @Ri, A c) MOV A, @Ri d) MOV Rn, A
Last Answer : c) MOV A, @Ri
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 : In 8279 Status Word, data is read when ________ pins are low, and write to the display RAM with ____________ are low. a) A0, CS, RD & A0, WR, CS. b) CS, WR, A0 & A0, CS, RD c) A0, RD & WR, CS d) CS, RD & A0, CS.
Last Answer : c) A0, RD & WR, CS
Description : ROM d) 8 bit, on chip 128 byte RAM. 3. After reset, SP register is initialized to address________. a) 8H b) 9H c) 7H d) 6H
Last Answer : c) 7H
Description : Total Air Temperature is: a. The maximum temperature attainable by the air when brought to rest, adiabatically b. The temperature indicated on the air temperature thermometer plus the ram rise c. The static air temperature minus the recovery factor d. The recovery factor plus the ram rise
Last Answer : a. The maximum temperature attainable by the air when brought to rest, adiabatically
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 : 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 : 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 : Access time is a. seek time + latency time b. seek time c. seek time – latency time d. latency time
Last Answer : a. seek time + latency time
Description : Access time is faster for a) ROM b) SRAM c) DRAM
Last Answer : b) SRAM
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 : 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 : One of a class of storage device devices that can access storage locations in any order is a. DTE b. DASD c. DDE d. DDE
Last Answer : b. DASD
Description : The disk drive component used to position read/write heads over a specific track I known as a. Acoustic couples b. Access arm c. Cluster d. All of the above
Last Answer : b. Access arm
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 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 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 : 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 : Before a disk drive can access any sector record, a computer program has to provide the record’s disk address. What information does this address specify? a. Track number b. Sector number c. Surface number d. All of above
Last Answer : d. All of above
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 : 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 : 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 : 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: a. Direct memory access b. Direct memory allocation c. Data memory access d. Data memory allocation
Last Answer : a. Direct memory access
Description : Which term is used to describe RAM? A) Dynamic RAM (DRAM) B) Static RAM (SRAM) C) Video RAM (VRAM) D) All of the above
Last Answer : Answer : D
Description : Which of the following memories must be refreshed many times per second? A) Static RAM B) Dynamic RAM C) EPROM D) ROM
Last Answer : Answer : B
Description : Which of the following memories must be refreshed many times per second? a. Static RAM b. Dynamic RAM c. EPROM d. ROM
Last Answer : b. Dynamic RAM
Description : Which of the following memories must be refreshed many times per second? (1) ROM (2) Dyanamic RAM (3) EPROM (4) Static RAM
Last Answer : Dyanamic RAM