Digital Circuit and Microprocessor MCQs

Question 1

Intel 80486 offers high performance than 80386 because

Accepted Answer

80386 has on chip cache memory available

Answer

on chip memory management is present on 80486

Answer

multitasking support is provided by 80486 and not by 80386

Answer

all of above

Question 2

RISC is characterised by

Accepted Answer

all of above

Answer

hardwired controldesign with no micro codes

Answer

fixed instructionformat

Answer

executing most of the instructions in a single clock cycle

Question 3

The theoretical dividing line between Reduced Instruction Set Computing (RISC) chips and Complex Instruction Set Computing (CISC) chips is

Accepted Answer

instructionexecution rate to be one instruction per clock cycle

Answer

number of pins in the chip

Answer

number of address and data lines

Answer

none of these

Question 4

One of the following is not found on the motherboard of a personal computer

Accepted Answer

Video display adapter

Answer

direct memory access (DMA) controller

Answer

Programmable timer

Answer

interrupt controller

Question 5

One of the following is a direct entry input device

Accepted Answer

Mouse

Answer

Key-to-diskette

Answer

Punched card

Answer

Computer terminal

Question 6

One of the following is a very popular application software for DTP applications

Accepted Answer

Pagemaker

Answer

(6) Word Perfect

Answer

Lotus 1-2-3

Answer

dBase-Ill Plus

Question 7

One of the following machines need Unix operating system for its optimum use

Accepted Answer

PC-AT/386

Answer

PC-XT

Answer

PC-AT/286

Answer

none of these

Question 8

One of the following is a page layout software

Accepted Answer

Ventura Publisher

Answer

Wordstar

Answer

Word perfect

Answer

Chi Writer

Question 9

Name the software for financial accounting

Accepted Answer

dBase III Plus

Answer

Pagemaker

Answer

Wordstar

Answer

COBOL