Practice Test: Question Set - 07
1. Which type of display is the latest to be used for portable computer?
- (A) LED
display
- (B) LCD
display
- (C) Plasma
display
- (D) Electroluminescent
display
2. In MODEMS
- (A) Several
digital signals are multiplexed
- (B) A
digital signal changes some characteristic of a carrier wave
- (C) Digital
signal is amplified
- (D) None
of the above
3. Control Unit of a digital computer is often called the
- (A) Clock
- (B) Nerve
center
- (C) ICs
- (D) All
of the above
4. Non-volatility is an important advantage of
- (A) CCD's
- (B) Magnetic
tapes and disks
- (C) Magnetic
bubbles
- (D) Both (b) and
(c)
5. Serial access memories are useful in applications where
- (A) Data
consists of numbers
- (B) Short access
time is required
- (C) Each stored
word is processed differently
- (D) Data
naturally needs to flow in and out in serial form
6. Which is a Common-Business oriented language?
- (A) SNOBOL
- (B) BASIC
- (C) COBOL
- (D) None of the
above
7. Which of the following printer can be classified as a page-at-a-time printer?
- (A) Laser
printer
- (B) Dot-matrix
printer
- (C) Thermal
printer
- (D) Inkjet
printer
8. Which most popular input device used today for interactive processing & for the on line entry of data for batch processing.
- (A) Mouse
- (B) Magnetic
disk
- (C) Visual
display terminal
- (D) Card
punch
9. In simplex transmission
- (A) Data
format is simple
- (B) Data
transmission is one way
- (C) Data can be
transmitted to small distances only
- (D) All of the
above
10. Any method for controlling access to or use of memory is known as
- (A) Memory map
- (B) Memory
protection
- (C) Memory
management
- (D) Memory
instruction
11. What is meant by quad-density (QD) diskette?
- (A) It
is double-sided disk
- (B) It is double
density disk
- (C) It
has double the number of tracks per inch
- (D) All of the
above
12. A/an _______ device is any device that provides information which is sent to the CPU.
- (A) Input
- (B) Output
- (C) CPU
- (D) Memory
13. The computer industry uses prefixes of Greek origin to measure large amounts of data. Which term describes 1024 bytes?
- (A) Kilobyte
- (B) Megabyte
- (C) Gigabyte
- (D) Terabyte
14. A byte is comprised of:
- (A) One bit
- (B) Four bits
- (C) Eight bits
- (D) Sixteen bits
15. Which of the following input/output devices is not associated with personal computers?
- (A) Optical
scanners
- (B) Color
monitors
- (C) Punched
cards
- (D) Dot-matrix
printers
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