COMPUTER ARCHITECTURE

EDSAC stands for

• Electronic display storage automatic calculator

• Electronic delay storage automatic calculator

• Electronic delay storage automatic circuit

• Electronic display automatic circuit

RAM is usually called

• Logical Memory

• Physical memory

• Conceptual memory

• Users Memory

control unit determines the address of the next instruction be executed and loads it into the program counter.

• Instruction Interpretation

• Instruction regulation

• Instruction composition

• Instruction sequencing

PSW stands for

• Process status word

• Program status word

• Program status width

• process status width

State True or False.

1. “MOVE Y, A” is a two address instruction.

2. “MUL T, D, E” is a three address instruction.

• 1-True, 2-False

• 1-False, 2-True

• 1-False, 2-False

• 1-True, 2-True

Tape units have ___ access.

• Sequential

• Random

• Associative

• Direct

Generally ___ is used to hold the data temporarily.

• ROMs

• EPROMs

• Buffers

• Magnetic disks

The following logic building block can be used to implement any combinational logic circuit

• Ex-Or gate

• Encoder

• Multiplexer

• Decoder

The simplified form of the expression AB+ABC’ is

• AB

• A(B+C)’

• A(B+C)

• None of these

A truth table of the n variables has … Minterms

• N2

• (n-1)2

• 2n-1

• 2n