Description : CS stands for: a. Cable select b. Chip select c. Control select d. Cable system
Last Answer : b. Chip select
Description : What is the output of the following code AL= 49 BCD, BH= 72 BCD SUB AL, BH DAS a) AL=D7, CF=1. b) AL=7D, CF=1. c) AL=77, CF=1 d) none of them.
Last Answer : d) none of them.
Description : What is the output of the following code AL=88 BCD, CL=49 BCD ADD AL, CL DAA a) D7, CF=1 b) 37, CF=1 c) 73, CF=1 d) 7D, CF=1
Last Answer : a) D7, CF=1
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 : 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 : _____ 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 : Which of the following is not computer language? a. High level language b. Medium level language c. Low level language d. All of the above
Last Answer : b. Medium level language
Description : A___ on this pin indicates a memory operation: a. Low b. High c. Medium d. None of these
Last Answer : a. Low
Description : 72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of ... driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale
Last Answer : Estimating the amount of organic matter is sewage water
Description : How many address lines in a 4096 x 8 EPROM CHIP?
Last Answer : 12 address lines.
Description : The growth of SSI up to____: a. 100 device on a chip b. 200 device on a chip c. 300 device on a chip d. 400 device on a chip
Last Answer : a. 100 device on a chip
Description : Microprocessor is fabricated on single chip using: a. MOS b. ALU c. CPU d. All of these
Last Answer : a. MOS
Description : The ALU and control unit of most of the microcomputers are combined and manufacture on a single silicon chip. What is it called? a. monochip b. microprocessor c. ALU d. control unit
Last Answer : b. microprocessor
Description : How many address lines are needed to address each memory locations in a 2048 x 4 memory chip? a. 10 b. 11 c. 8 d. 12
Last Answer : b. 11
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 : What generation chip is the Pentium 4 for the Intel central processing units? A. Seventh generation B.Eighth generation
Last Answer : A. Seventh generation
Description : An integrated circuit is a. A complicated circuit b. An integrating device c. Much costlier than a single transistor d. Fabricated on a tiny silicon chip
Last Answer : d. Fabricated on a tiny silicon chip
Description : How many address lines are needed to address each memory location in a 2048 x 4 memory chip? a. 10 b. 11 c. 8 d. 12
Description : A plastic card similar to a credit card but having some memory and a microprocessor embedded within it is a. Punched paper tape b. Chip card c. Card punch
Last Answer : a. Punched paper tape
Description : An error in computer data is called a. Chip b. Bug c. CPU d. Storage device
Last Answer : b. Bug
Description : The two major types of computer chips are a. External memory chip b. Primary memory chip c. Microprocessor chip d. Both b and c
Last Answer : d. Both b and c
Description : What was the name of the first commercially available microprocessor chip? a. Intel 308 b. Intel 33 c. Intel 4004 d. Motorola 639
Last Answer : c. Intel 4004
Description : In which year was chip used inside the computer for the first time? a. 1964 b. 1975 c. 1999 d. 1944
Last Answer : b. 1975
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 : how many address lines are needed to address each machine location in a 2048 x 4 memory chip? a. 10 b. 11 c. 8 d. 12
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 : The external device is connected to a pin called the ______ pin on the processor chip. a. Interrupt b. Transfer c. Both d. None of these
Last Answer : a. Interrupt
Description : Which statement is wrong according to linear decoding : a. Address map is not contiguous. b. Confects occur if two of the select lines become active at the same time c. If all unused address lines are not used as chip selectors then these unused lines become don’t cares d. None of these
Last Answer : d. None of these
Description : The capacity of this chip is 1KB they are organized in the form of 1024 words with 8 bit word The what is the site of address bus: a. 8 bit b. 10 bit c. 12 bit d. 16 bit
Last Answer : b. 10 bit
Description : Which technology using the microprocessor is fabricated on a single chip: a. POS b. MOS c. ALU d. ABM
Last Answer : b. MOS
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 : 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 : 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 : 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 : 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 : MSD stands for: a. Least significant digit b. Most significant digit c. Medium significant digit d. low significant digit
Last Answer : b. Most significant digit
Description : The left side of any binary number is called: a. Least significant digit b. Most significant digit c. Medium significant digit d. low significant digit
Description : Which of the following is form of semi conductor memory in which it is possible to change the contents of selected memory locations by applying suitable electrical signals? a. CAM b. ROM c. EPROM d. Abacus
Last Answer : c. EPROM
Description : ECL is the fastest of all logic families. High Speed in ECL is possible because transistors are used in difference amplifier configuration, in which they are never driven into ............... (1) Race condition (2) Saturation (3) Delay (4) High impedance
Last Answer : Answer: 2 Explanation: Emitter-coupled logic (ECL) is the fastest of all logic families and therefore is used in applications where very high speed is essential. High speeds have become ... configuration, in which they are never driven into saturation and thereby the storage time is eliminated.
Description : What happens to output when a tri-state circuit is selected for high impedance.
Last Answer : Output is disconnected from rest of the circuits by internal circuitry.
Description : Easily reloctable language is a. Machine language b. Assembly language c. High level language d. Medium level language
Last Answer : b. Assembly language
Description : Calculated the noise figure of the amplifier whose Req equals 2518Ω (RT=600Ω) if its driven by a generator whose output impedance is 50Ω. A. 39.4 B. 3.94 C. 394 D. 0.394
Last Answer : A. 39.4
Last Answer : Need Answer
Description : GE Profile stove shows F7 D7 Code
Description : MOS stand for: a. Metal oxide semiconductor b. Memory oxide semiconductor c. A and B d. None of these
Last Answer : a. Metal oxide semiconductor
Description : In the IBM PC-At, what do the words AT stand for a. Additional Terminals b. Advance technology c. Applied technology d. Advanced terminology
Last Answer : b. Advance technology
Description : RATS stand for a. Regression Analysis Time Series b. Regression Analysis Time Sharing c. Real Analysis Series d. All of above
Last Answer : a. Regression Analysis Time Series
Description : EEPROM stand for a. Electrically Erasable Programmable Read Only Memory b. Easily Erasable Programmable Read Only Memory c. Electronic Erasable Programmable Read Only Memory d. None of the above
Last Answer : a. Electrically Erasable Programmable Read Only Memory