Maharashtra State Board of Technical Education 2008 B.E Computer Science and Engineering Computer System Architecture ,maharashtra state board - Question Paper
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(c) Both (III) and (IV) above
(d) (II), (III) and (IV) above
(e) All of the above.
7. The key technology used in IV generation computers is:
(a) MSI
(b) SSI
(c) LSI &VLSI
(d) Transistors
(e) Vacuum tubes.
8. For which of the subsequent combinations of the inputs x, y, z for a full-subtractor the outputs borrow (B) and Difference (D) are one and 0 respectively.
(a) 0 0 1
(b) 0 one 0
(c) 1 one 0
(d) 0 one 1
(e) 1 one 1.
9. The process in which the CPU delays its operation for 1 memory cycle to allow direct memory I/O transfer is :
(a) Burst transfer
(b) Cycle waiting
(c) Cycle stealing
(d) Cycle Interrupting
(e) Strobe control.
10. Which 1 of the subsequent CPU registers holds the address of the instructions (instructions in the program stored in memory) to be executed next?
(a) MAR (Memory Address Register)
(b) PC (Program Counter)
(c) AC (Accumulator)
(d) IR (Instruction Register)
(e) MBR (Memory Buffer Register).
11. A combinational circuit that converts binary info from n input lines to a maximum of 2n unique output lines is
(a) Decoder
(b) Encoder
(c) Full-adder
(d) Full-subtractor
(e) Multiplexer.
12. Techniques that automatically move program and data blocks into the physical main memory when they are needed for execution are called ___________ techniques.
(a) Associative – Mapping
(b) Main Memory
(c) Virtual Memory
(d) Cache Memory
(e) Secondary memory.
13. Which kind of memory is used to increase processing speed?
(a) Cache memory
(b) Auxillary memory
(c) Virtual memory
(d) Main memory
(e) Secondary memory.
14. Given beneath are the Hexadecimal numbers and their Binary Coded (BCD) equivalents, which are not in order. Match Hexadecimal numbers with their respective BCD equivalents and choose the accurate sequence.
Hexadecimal BCD equivalent
A eight C F i. 1100 0111 1000 1110
1 four D ii. 0011 0010 1101 1011
3 two D B iii. 1111 1000 1110
C seven eight E iv. 1010 1000 1100 1111
F eight E v. 0001 0100 1101
| Earning: Approval pending. |
