Midterm Flashcards
SMTP and POP3 can be used interchangeably to send e-mail.
True or False
False
Packets always arrive at the destination in the order they were sent
True or False
False
Hardware is the sequence of instructions that tells the computer what to do.
True or False
False
Which is not a measure of printer performance?
- DPI
- Refresh Rate
- PPM
- All of the above
Refresh Rate
Public domain software is usually expensive, but worth the cost..
True or False
False
Speech recognition software enables a computer to produce human sounds.
True or False
False
The programs that control the activity of the hardware and control the internal workings of the computer are called _____ software.
- Business
- Personal
- Application
- Systems
Systems
A client would be assigned what type of IP address.
- Static
- Dynamic
- Status
- None of the Above
Dynamic
The primary function of the BIOS is to prepare the machine so that the operating system can take over control of the hardware. This process is known as booting up.
True or False
True
What software always remains in memory whenever a computer is on?
- Operating System
- Web Browser
- Word Processor
- Database
- Photoshop
Operating System
Think of a packet as an _____________________ that contains data and is transported from server to server until it reaches its destination.
- Postage Stamp
- Router
- Electronic Envelope
- Signal Switcher
- Circuit Switcher
Electronic Envelope
ROM (Read-Only Memory) cannot easily be written to and its main uses are the distribution of firmware (software that is very closely related to hardware).
True or False
True
When a file is saved to the hard drive, the operating system tries to keep everything in the same area. Over time files will be deleted, leaving blank areas between files. When new programs are installed or large files saved, the hard drive tries to fill the holes, thus breaking up the program or file into blocks. This situation is known as _______________________.
- Disk Defragmentation
- Memory Leak
- Data Redundancy
- Storage Overload
Disk Defragmentation
The CPU is comprised of:
- control unit and CPU
- COBOL and control unit
- GUI and ALU
- ALU and control unit
- CUI and ALU
ALU and control unit
A widely used internet communication device is a _____.
- Modem
- CD drive
- USB flash drive
- Zip disk
Modem
Open source software _____.
- is provided for use, modification, and redistribution
- has no restrictions from the copyright holder
- usually can be downloaded from the Web at no cost
- all of the above
All of the above
The rate in cycles per second (measured in hertz) at which a computer performs its most basic operations such as adding two numbers or transferring a value from one register to another is known as the _____________________________.
- clock speed
- actual speed
- machine time
- fetch cycle
- decode speed
Clock Speed
Memory ______________ is the time between the processor initiating a request for a byte (eight bits) or word (usually 16 bits) in memory until it is retrieved.
- pipelining
- clock wait time
- latency
- reflection
- data absorption
Latency
A _____ is a device that provides a central point for cables in a network.
- Hub
- Node
- Packet
- Router
Hub
A communications media:
- carries the data signal
- is always visible
- is always costly
- is of one type
- works in one direction
carries the data signal