What is the best definition of 'right-click'?
A. To press the right-side mouse button
B. An input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
C. An input device with a vertical rod mounted on a base used to control pointing devices or on-screen objects; normally with one or more buttons
D. An input device or mouse alternative using a sensitive rectangular surface and a stylus
Which of the following is responsible for coordinating various operations using timing signals?
A. Memory unit
B. Arithmetic-logic Unit
C. Control unit
D. Input/output unit
The device that can both feed data into and accept data from a computer is …
A. ALU
B. Input-Output device
C. CPU
D. All of the above
What is the best definition of 'speech recognition'?
A. An input device using a light-sensitive pen shaped handle which can be used to draw on the computer screen
B. A hardware device plugged into a computer's sound card optimized for voice commands or other audio recording
C. The ability of a computer to convert spoken words from a user into usable data.
D. A handheld input device for computers with one or more buttons and a rounded body meant to be slid around on a pad or flat surface
Information stored in Random Access Memory (RAM) is volatile. This means that it:
A. Can burn if exposed to air.
B. Is lost when the computer is switched off.
C. Is automatically saved to disk when the computer is switched off.
D. Is kept in memory even when the computer is powered off.
The CPU clock speed is normally expressed in:
A. 500 MHz
B. Bits per clock tick
C. Megahertz
D. Ticks per second
The computer stores its program and data in its
A. Memory
B. Control unit
C. ALU
D. Cache memory
Processors of all computers, whether micro, mini or mainframe must have …
A. Primary storage
B. ALU
C. All of the above
D. Control Unit
The control unit of a processor............................ the flow of information between the arithmetic unit and the memory.
A. Coordination
B. Coordinator
C. Coordinating
D. Coordinates
Which of the following is a secondary memory device?
A. Keyboard
B. ALU
C. Disk
D. All of the above
What is the best definition of 'hard disk drive'?
A. A data storage technique using a pattern of markings on a disc that can be read by a laser; examples include CD-ROM, and DVD-ROM technology
B. A legacy storage device using magnetic tape; normally reading and writing data slower rate and used for backups.
C. A storage device using rotating magnetic platters to quickly store and retrieve digital data
D. All the above
Which of the following have the fastest access time?
A. Semiconductor Memories
B. Magnetic Tapes
C. Compact Disks
D. Magnetic Disks
Which of the following memory is capable of operating at electronics speed?
A. Magnetic disks
B. Magnetic tapes
C. Semiconductor memory
D. Magnetic drums
What is the best definition of 'optical storage'?
A. A legacy storage device using magnetic tape; normally reading and writing data slower rate and used for backups
B. A data storage technique using a pattern of markings on a disc that can be read by a laser; examples include CD-ROM, and DVD-ROM technology
C. A non-volatile (permanent) memory type that is erasable via ultra-violet light and reprogrammable
D. A legacy storage device which can read and write data slowly from a removable magnetic medium (normally 3.5" in diameter and holding 1.44 MB of data)
Memories in which any location can be reached in a fixed (and short) amount of time after specifying its address is called
A. Sequential-access memory
B. Random-access memory
C. Mass storage
D. Secondary memory
Which of the following memories needs refresh?
A. All of above
B. ROM
C. SRAM
D. DRAM
Which of the following is used as a primary storage device?
A. PROM
B. Floppy disk
C. Magnetic drum
D. All of these
The difference between memory and storage is that memory is … and storage is …
A. Temporary, permanent
B. Permanent, temporary
C. Slow, fast
D. All of above
Name or number used to identify a storage location devices?
A. All of above
B. An address
C. A record
D. A byte
What is the best definition of 'server'?
A. The evolution of devices towards common functionality
B. A computer designed for use by one person at a time
C. A physical or software device connecting and facilitating a network with a printer
D. A type of computer intended primarily for central distribution of data to other computers on the same network
