CS501 Quiz 3 by VU Topper RM

Which one of the following is NOT a technique used when the CPU wants to exchange data with a peripheral device?

1. Direct Memory Access (DMA)
2. Virtual Memory
3. Interrupt driven I / O
4. Programmed I / O

Correct answer: Direct Memory Access (DMA)

The main memory is usually divided into partitions, one for ___ and other for ____. Base Register , Limit Register

A. Operating system , User processes

B. Processes , Virtual Memory C. Operating System , CPU D. Answer Operating System , CPU

Q1. Vu-Topper RM (1 marks)

Adding a data pin to a chip with 2^m words of s bits increases the number of bits it can store by only a factor of ____________ A. s/(s+1) B. s^2/s

C. (s+1)/s Page 320

D. (s+2)/s

Q2. Vu-Topper RM (1 marks)

The______is m-bits wide and contains memory address generated by the CPU directly connected to the m-bit wide address bus Booth Recording A. Program counter (PC) B. Instruction Register(IR) C. memory Buffer Register(MBR)

D. memory address register (MAR) Page 316

Q3. Vu-Topper RM (1 marks)

_____ is a read-mostly memory that can be written into at any time without erasing prior contents A. PROM B. EPROM

C. EEPROM Page 321

D. Main memory

Q4. Vu-Topper RM (1 marks)

By which file extension does the FALCON-A Assembler loads a FALCON-A assembly file?

1. .src
2. .exe
3. .org
4. .asmfa Page 08

Correct answer: .asmfa Page 08

Q5. Vu-Topper RM (1 marks)

The conversion of numbers from a representation in one base to another is known as_______

A. Radix Conversion Page 301

B. Number Representation C. Decimal representation D. Hexadecimal Representation

Q6. Vu-Topper RM (1 marks)

In Single-Precision Binary Floating Point Representation the exponent is

A. 1 bit

B. 8 bits Page 313

C. 11 bits D. 23 bits

Q7. Vu-Topper RM (1 marks)

In 1x8 memory cell arrangement, each block is connected through a bidirectional data bus implemented with __________ tri-state buffer(s). A. 1

B. 2 Page 317

C. 4 D. 8

Q8. Vu-Topper RM (1 marks)

Taking control of the system bus for a few bus cycles is known as

A. Bus Stealing B. None of given

C. Cycle Stealing Page 288

D. Cycle Transfering

Q9. Vu-Topper RM (1 marks)

______ is nonvolatile and may be written into only once.

E. PROM Page 321

F. EPROM G. EEPROM H. Main memory

Q10. Vu-Topper RM (1 marks)

human works with base 10 and computers work with base _________.

A. 2 Page 316

B. 8 C. 10 D. 16

Q11. Vu-Topper RM (1 marks)

The main issue/s in error control is/are________________. A. Correction of Error