DipIETE – ET (OLD SCHEME)
Code:
DE10 Subject:
COMPUTER ENGINEERING
Time: 3 Hours Max. Marks: 100
NOTE: There are 9 Questions in all.
· Question 1 is compulsory and carries 20 marks. Answer to Q. 1. must be written in the space provided for it in the answer book supplied and nowhere else.
· Out of the remaining EIGHT Questions answer any FIVE Questions. Each question carries 16 marks.
· Any required data not explicitly given, may be suitably assumed and stated.
Q.1 Choose
the correct or the best alternative in the following: (2
10)
a. The Architecture of 8086 introduced the concept of _________
(A) flag. (B) pipeline.
(C) segmentation. (D) All of above.
b. SDRAM refers to
(A) Sequential DRAM. (B) Static DRAM.
(C) Synchronous DRAM. (D) Semi DRAM.
c. The main disadvantage of tape systems is that they
(A) use sequential access and are therefore quite fast.
(B) use sequential access and are therefore slow.
(C) have low-cost removable media.
(D) All of the above.
d. The PCI bus system can transfer data at a rate of
(A) 130 MB per second at 66 MHz.
(B) 133 MB per second at 66 MHz.
(C) 130 MB per second at 33 MHz.
(D) 166 MB per second at 33 MHz.
e. The translator which converts source code written in the programming language into executable object code is called
(A) a compiler. (B) an interpreter .
(C) an Assembler. (D) All of the above.
f. The 8086 has a flag register of
(A) 9 bit. (B) 32 bit.
(C) 64 bit. (D) 16 bit.
g. The stack pointer in the 8085 microprocessor is a
(A) 16 bit register that points to stack memory locations.
(B) 16 bit accumulator.
(C) memory location in the stack.
(D) flag register used for the stack.
h. A program counter is one of a microprocessors ________ registers.
(A) special-purpose (B) general-purpose
(C) memory (D) All of the above
i. MS-DOS is a _______ operating system.
(A) single-tasking (B) 8 bit
(C) multi-tasking (D) multiuser
j. 80486 is a
(A) 16-bit processor. (B) 24-bit processor.
(C) 32-bit processor. (D) 64-bit processor.
Answer any FIVE Questions out of EIGHT Questions.
Each question carries 16 marks.
Q.2 a. Define parallel processing. Explain the different types of parallel computers with example. (8)
b. Explain various types of optical scanners. (4)
c. Compare Cache Memory and Virtual Memory. (4)
Q.3 a. Explain the following byte instruction and give an example:
(i) Single Byte Instruction
(ii) Two Byte Instruction
(iii) Three Byte Instruction (6)
b. What is the difference between interrupt and exception? How the performance of CPU is effected? (4)
c. Give a tubular form comparing the following processors:
(i) Pentium with MMX
(ii) Pentium II Xeon
(iii) Pentium III
(iv) Power PC
Mention any four properties for comparison. (6)
Q.4 a What is memory? What are the different types of memory? (7)
b. What is DMA controller? Describe Intel 8237A and draw block diagram. (9)
Q.5 a. Explain compiler and give their features. What languages support compiler features? Compare compilers and interpreters. (8)
b. List the important characteristics of RISC processor and CISC processor. (8)
Q.6 a. Explain the features of the following operating system:-
(i) MS DOS (ii) OS/2
(iii) Linux (iv) Windows NT (8)
b. Explain IEEE 1284 standard and IEEE 488 standard. Give their applications.
(8)
Q.7 a. How do you measure the processing speed of a microprocessor? Mention various ratings used to measure the performance of a processor. (10)
b. What is a subroutine and stack? Give an example. (6)
Q.8 a. Describe the memory organization of 8086 microprocessor. (8)
b. Write short notes on
(i) USB (ii) AGP
(iii) Mouse (iv) Intel 8254 (8)
Q.9 a. Explain various types of data transfer schemes. (5)
b. How serial and parallel data transfer are done in computer? Mention various types of I/O devices that support serial and parallel transfer of data. (5)
b. Explain ‘Instruction cycle’ and ‘Machine cycle’. (6)