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WorksheetsIBM Mainframe – MCQ
Total questions: 15
Worksheet time: 8mins
What is the primary purpose of an IBM Mainframe?
Personal computing
Gaming applications
Centralized computing with high reliability and processing power
Mobile application development
Which system is an example of an early mainframe from the 1950s?
IBM z16
IBM System/360
IBM 701
LinuxONE
The IBM System/360 was significant because it introduced:
Cloud computing
Virtual machines
Standardized computer architecture
Artificial intelligence
During which era were interactive terminals widely used instead of punch cards?
1950s
1960s
1980s–1990s
2000s
Which feature ensures mainframes can run continuously with minimal downtime?
Scalability
Reliability
Portability
Compatibility
Mainframes are designed to handle:
Single-user tasks
Small desktop applications
Thousands of users and millions of transactions
Mobile apps only
What does CPC (Central Processing Complex) contain?
Only storage devices
Multiple processors and memory units
Only input devices
Network switches
Which feature allows multiple operating systems to run on a single mainframe?
DASD
Channel subsystem
LPAR
Tape storage
Which operating system is optimized for enterprise workloads on IBM mainframes?
Windows Server
UNIX
z/OS
DOS
DASD in mainframes refers to:
Backup tapes
Network storage
Direct Access Storage Device
Cloud storage
Which language is mainly used for business logic and data processing on mainframes?
Python
JavaScript
COBOL
C++
Which interface provides a command-line interaction with the mainframe?
ISPF
CICS
TSO
DB2
ISPF is best described as:
A database system
A batch job scheduler
A menu-driven interface on top of TSO
A programming language
Which system is used for real-time online transaction processing (OLTP)?
JCL
VSAM
CICS
REXX
Which storage system is known for fast key-based access and is widely used in banking?
DB2
VSAM
Tape storage
Cloud storage
