The physic-layer addresses, sometimes called ____ are locally defined addresses, each of specific host or router in a network (LAN or WAN).

• TCP

• Port numbers

• MAC addresses

• IP address

____ file can be accessed randomly.

• A sequential

• An indexed

• A hashed

• Any

In ____, more than one program is in memory at the same time, and they are executed concurrently, with the CPU switching rapidly between the programs.

• operating system

• monoprogramming

• multiprogramming

• Microprogramming

Of the various database models, the model is the most prevalent today.

• Hierarchical

• Network

• Relational

• Linked list

According to the von Neumann model, are stored in memory.

• Only data

• Only programs

• Data and programs

• Neither data nor programs

In the fetch phase, the control unit orders the system to copy the next instruction into the ____ in the CPU.

• Program counter

• Instruction register

• Memory

• Register

A ______ is a storage device that can undergo multiple writes and erasures.

• CD-ROM

• CD-R

• CD-RW

• CD-RR

What is the name of the display feature that highlights areas of the screen which require operator attention?

• Pixel

• Reverse video

• Touch screen

• Cursor

• None of the other

Binary numbers need more places for counting because:

• O's and 1's can be added in front of them

• O's and 1's have to be properly placed

• They are always big numbers

• Binary base is small

• None of the others

Convert the FRACTION decimal number 0.625 to binary.

• 1.010

• 0.101

• 1.110

• 0.110