$17-$Where does the CPU store its computations?

a$-$ Registers

b$-$External Data Bus

$18-$The small extremely fast, RAM's are called as

and

a$-$ Cache

b$.$ Stack

g$.$teaps

$19-$ The time delay between two successive initiations of memory operation

a$-$ Memory access time

b$-$Memory search time

C$-$ Memory cycle time

d$-$Instruction delay

$20-$ Which of the register$/$s of the processor is$/$are connected to Memory Bus?

a$-PC$

b$-$ MAR

C$-$IR d$-$Both PC and MAR

is not one of the four basic functions of a computer

a$-$ Data processing

b$-$ Data storage

C$-$Data movement

d$-\frac{1}{0}$ processing

$22-$ What is the function of MAR?

a$-$ Read a word from memory b$-$Specify an address of memiory

C$-$ Contains the $8$ bit opcode d$-$Store address of thehext instruction

$23-$What is the function of MBR$?$

a$-$ Read a word from memory

b$-$ Specify an address of memory

C$-$ Contains the $8$ bit opcode

d$-$ Store address of the next instruction

$24-$ Which registers can interact with the secondary storage?

a$-$ PC

b IR

C$-$ R$1$

d$-$ MAR

$28-$The ENIAC is an example of a

generation computer.

a$.$ first

b$.$ second

c$.$ third

d$.$ fourth

$29-$The

interprets the instructions in memory and causes them to be executed.

a$.$ main memory

b$.$ control unit

c$.\frac{1}{O}$

d$.$ arithmetie and logic unit

$30-$ The

contains the $8-$bit opcode instruction being executed.

a$.$ memory buffer register

b$.$ instruction buffer register

c$.$ instruction register

d$.$ memory address register