Prelim

Question 1

is a low-speed printer that has a serial communications interface .

Answer 1

Teleprinters

Question 3

It was actually a form of specialized telegraph that used the five-bit character code.

Answer 3

Morse telegrapher

Question 4

largest manufacturer of teleprinters in the United States thus the word

Answer 4

Teletype Corporation

Question 5

which is the most widely used method of data communications for a serial interface.

Answer 5

start-stop asynchronous transmission

Question 6

The current is either 20 or 60 milliamperes, and the equipment is called

Answer 6

current-loop equipment.

Question 7

Two types of teleprinters:

Answer 7

KSR
RO

Question 8

inputs are transmitted back

Answer 8

Echo

Question 9

first type of portable computer was more appropriately due to its weight, from 20 to 30 pounds

Answer 9

Transportable

Question 10

transportable- first type of portable computer was more appropriately due to its weight, from _ to _ pounds

Answer 10

20 to 30 pounds

Question 11

three new types of personal computers

Answer 11

Laptop
Palmtops
Notebook

Question 12

_ was one of the first palmtop computers to be sold.

Answer 12

The Hewlett-Packard HP95XL

Question 13

What does pda stands for

Answer 13

Personal Digital Assistant

Question 14

What does ROM stands for

Answer 14

Read-only memory

Question 15

they print one character at a time.

Answer 15

Serial or character printers

Question 16

printers can be classified into two categories:

Answer 16

Impact printer
Nonimpact printers

Question 17

which mechanically strike the paper

Answer 17

Impact printers

Question 18

which produce an image by some other means.

Answer 18

Nonimpact printers

Question 19

used on the IBMs electric typewriters

Answer 19

Replaceable type-ball elements

Question 20

disk with petal-like projections for the character elements)

Answer 20

Daisy wheels

Question 21

are typically less expensive

Answer 21

Dot-matrix teleprinters

Question 22

CRT terminals fall into one of three categories:

Answer 22

Dumb terminal
Smart terminal
User-programmable(intelligent) terminals

Question 23

This section describes CRT terminals that do not fit the ASCIl label, together with some specialized terminals that use other displays.

Answer 23

Non-ASCIl Terminals

Question 24

Two basic categories of batch terminal

Answer 24

Interactive and batch

Question 25

When a remote location generates a large amount of data via key entry,

Answer 25

Clustered Terminals

Question 26

Most ASCIl terminals use a technique called memory-mapped video.

Answer 26

Memory-mapped display

Question 27

Parts of a Terminal

Answer 27

Ergonomics Keyboard Layout Programmable Keyboards Numeric Keypads