Computer Organization And Architecture Quiz Part1

Match the following.

(a) Immediate address mode                (1) Local variables

(b) Direct address mode                       (2) Relocatable programs

(c) Indirect address mode                     (3) Pointer

(d) Index addressing mode                   (4) Locality of reference

(e) Base address mode                          (5) Arrays

(f) Relative address mode                     (6) Constant Operands

• a6 b1 c3 d5 e2 f4

• a5 b4 c6 d3 e1 f2

• a3 b5 c2 d4 e1 f2

• a6 b5 c2 d3 e1 f4

Register renaming is done in pipelined processors_______.

• as an alternative to register allocation at compile time

• for efficient access to function parameters and local variables

• to handle certain kinds of hazards

• as part of address translation

The amount of ROM needed to implement a 4-bit multiplier is

• 64 bits

• 128 bits

• 1Kbits

• 2Kbits

Memory interleaving is done to

• Increase the amount of logical memory

• Reduce memory access time

• Simplify memory interfacing

• Reduce page faults

In an instruction execution pipeline, the earliest that the data TLB (Translation Lookaside Buffer) can be accessed is

• before effective address calculation has started

• during effective address calculation

• after effective address calculation has completed

• after data cache lookup has completed

The main virtue for using single Bus structure is ____________

• Fast data transfers

• Cost effective connectivity and speed

• Cost effective connectivity and ease of attaching peripheral devices

• None of the mentioned

Memory Buffer Register (MBR) is connected to ___.

• Control Bus

• Address Bus

• Data Bus

• System Bus

The basic component of arithmetic circuit is________.

• parallel subtractor

• parallel adder

• half adder

• full adder

When we use auto increment or auto decrements, which of the following is/are true?

• In both, the address is used to retrieve the operand and then the address gets altered

• In auto increment, the operand is retrieved first and then the address altered

• Both of them can be used on general purpose registers as well as memory locations

When we perform subtraction on -7 and -5 the answer in 2's complement form is ....

• 11110

• 1110

• 1010

• 0010