NST2601 ASSIGNMENT 02 MARKED FINAL
PAPER 2026 COMPLETE QUESTIONS AND
SOLVED SOLUTIONS
⩥ ____________ follows closely behind the CPU and memory in
determining the overall effectiveness of a computer system. Answer:
Disk I/O
⩥ The signals exchanged between a sender and a receiver is called a
______________ Answer: prototype
⩥ The simplest way for a CPU to communicate with an I/O device is
through polled I/O Answer: True
⩥ The large computer systems use an intelligent type of DMA interface
known as ______________ Answer: I/O channel
⩥ CCW means Answer: channel command words
⩥ Channel I/O is a type of non-isolated I/O because the systems are
equipped with separate I/O buses. Answer: False
, ⩥ Buses having memory on its own do memory transfer
_________________ Answer: synchronously
⩥ Two types of transmission modes are serial and parallel transmission
modes. Answer: True
⩥ Serial transfer methods can be used for time-sensitive isochronous
data transfers. Answer: True
⩥ ______________are divisions of concentric circles called tracks in
disk drives. Answer: Sectors
⩥ Cylinders describe circular areas on each disk in Rigid Disk Drives.
Answer: True
⩥ If a read/write head in Rigid Disk Drives were to touch the surface of
the disk, the disk would become unusable. This condition is known as a
___________________ Answer: head crash
⩥ COLD means Answer: computer output laser disc
⩥ Lineal spaces between the pits in a CD-ROM are called
____________ Answer: lands
PAPER 2026 COMPLETE QUESTIONS AND
SOLVED SOLUTIONS
⩥ ____________ follows closely behind the CPU and memory in
determining the overall effectiveness of a computer system. Answer:
Disk I/O
⩥ The signals exchanged between a sender and a receiver is called a
______________ Answer: prototype
⩥ The simplest way for a CPU to communicate with an I/O device is
through polled I/O Answer: True
⩥ The large computer systems use an intelligent type of DMA interface
known as ______________ Answer: I/O channel
⩥ CCW means Answer: channel command words
⩥ Channel I/O is a type of non-isolated I/O because the systems are
equipped with separate I/O buses. Answer: False
, ⩥ Buses having memory on its own do memory transfer
_________________ Answer: synchronously
⩥ Two types of transmission modes are serial and parallel transmission
modes. Answer: True
⩥ Serial transfer methods can be used for time-sensitive isochronous
data transfers. Answer: True
⩥ ______________are divisions of concentric circles called tracks in
disk drives. Answer: Sectors
⩥ Cylinders describe circular areas on each disk in Rigid Disk Drives.
Answer: True
⩥ If a read/write head in Rigid Disk Drives were to touch the surface of
the disk, the disk would become unusable. This condition is known as a
___________________ Answer: head crash
⩥ COLD means Answer: computer output laser disc
⩥ Lineal spaces between the pits in a CD-ROM are called
____________ Answer: lands
