1. Block caches or buffer caches are used____.
A. A To improve disk performance
B. To handle interrupt
C. To increase the capacity of the main memory
D. To speed up main memory read operation
E. None of these
2. In order to avoid memorizing e-mail address, you should use ____.
A. Browser
B. Search engine
C. List of Birth date
D. Phonebook
E. Address book
3. ERP is an acronym for _____.
A. Enterprise Retirement Planning
B. Enterprise Relationship Planning
C. Enterprise Resource Planning
D. Enterprise Reorder Planning
E. Enterprise Retention Planning
4. Switch is a network device whose responsibility is to_______.
A. Protect from virus attack
B. turn of the power to network
C. Connect Network devices
D. Boot the network
E. None of these
5. A special, high-speed storage area within the CPU in which all data must be represented before it can be processed is called _____.
A. BIOS
B. Cache
C. RAM
D. Register
E. None of these
Answers and Explanations
1. Answer - Option C
Explanation -
By reading the information from disk only once and then keeping it in memory until no longer needed, one can speed up all but the first read. This is called disk buffering, and the memory used for the purpose is called the buffer cache.
2. Answer - Option E
Explanation -
In order to avoid memorizing e-mail address, you should use Address book.
An address book is a database that stores names, addresses and other contact information for a computer user.
Address books allow easy access to the user's friends, family, business associates and others by maintaining their email and other contact details on their computer.
3. Answer - Option C
Explanation -
ERP is an acronym for ‘Enterprise Resource Planning’.
Note: Enterprise resource planning (ERP) is business management software typically a suite of integrated applications that a company can use to collect, store, manage and interpret data from many business activities, including, Product planning, cost. Manufacturing or service delivery. Marketing and sales.
4. Answer - Option C
Explanation -
A network switch is a computer networking device that connects devices together on a computer network, by using packet switching to receive, process and forward data to the destination device.
5. Answer - Option D
Explanation -
Register is a special high-speed storage area within the CPU where all data must be represented before it can be processed.
Note: For example, if two numbers are to be multiplied, both numbers must be in registers, and the result is also placed in a register.