Computer Microprocessor and Assembly Language

331. Which process information at a much faster rate than it can retrieve it from memory:

  1. ALU
  2. Processor
  3. Microprocessor
  4. CPU

Correct answer: (D)
CPU

332. Which processor provided 1 MB memory:

  1. 16-bit 8086 and 8088
  2. 32-bit 8086 and 8088
  3. 64-bit 8086 and 8088
  4. 8-bit 8086 and 8088

Correct answer: (A)
16-bit 8086 and 8088

333. Which programmable timer is used to generate timing signal :

  1. 8255
  2. 8254
  3. 8251
  4. 8259

Correct answer: (B)
8254

334. Which provide a mechanism to establish a link between the microprocessor and i/o device:

  1. Input interface
  2. Output interface
  3. Both a and b
  4. None of these

Correct answer: (C)
Both a and b

335. Which provided the current:

  1. Low-cost
  2. Slow-cost
  3. Low-Output
  4. All the above

Correct answer: (D)
All the above

336. Which register containing the 8086/8088 flag:

  1. Status register
  2. Stack register
  3. Flag register
  4. Stand register

Correct answer: (A)
Status register

337. Which register is a temporary storage location:

  1. general purpose register
  2. dedicated register
  3. A and B
  4. none of these

Correct answer: (C)
A and B

338. Which register is connected to the memory by way of the address bus:

  1. MAR
  2. MDR
  3. SAM
  4. None of these

Correct answer: (A)
MAR

339. Which system communicates with the outside word via the I/O devices interfaced to it:

  1. Microprocessor
  2. Microcomputer
  3. Digital computer
  4. All of these

Correct answer: (B)
Microcomputer

340. Which technology speed faster and higher density:

  1. PMOS
  2. NMOS
  3. HMOS
  4. All the above

Correct answer: (A)
PMOS

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