CS1170 Introduction to Computer Systems
Section A — Answer all questions
There are TWENTY multiple-choice questions in this section. Each Question carries 2 marks.
There is only one correct answer to each question. Signify your answer by encircling its index
letter.
1. Multiple programs shar...
There are TWENTY multiple-choice questions in this section. Each Question carries 2 marks.
There is only one correct answer to each question. Signify your answer by encircling its index
letter.
1. Multiple programs share
(0) a) memory
(0) b) I/O devices
(0) c) CPU time
SW
(0) d) a and c
(2) e) a, b and c
2. In the UNIX kernel, demand paging is executed by which group of operations?
(2) a) virtual storage and memory management
(0) b) process management
(0) c) file management
(0) d) I/O
(0) e) networking and communication
3. The working memory of the computer system is:
ER
(0) a) the hard disk
(2) b) the RAM
(0) c) the floppy disk
(0) d) the CD-ROM
(0) e) the CPU
4. Which of the following best describes networking protocols?
(0) a) The use of the same manufacturer’s hardware throughout a network
(0) b) A set of utilities that can be used by a network manager
(0) c) The layers of the TCP/IP model
S
(2) d) A set of rules that describe how devices should exchange information
(0) e) Both a and c above
1 OF 9
Downloaded by Austine Wanjala (wanjala883@gmail.com)
, lOMoARcPSD|47166518
AN CS1170 Introduction to Computer Systems
5. Computer memory is organised into a hierarchy which consists of multiple levels of
memory with different speeds and sizes. Order the following storage mediums from fastest
to slowest data access speed: registers, cache, hard disk and main memory.
(0) a) cache, hard disk, main memory, registers.
(0) b) cache, registers, main memory, hard disk.
(0) c) registers, cache, hard disk, main memory.
(0) d) registers, main memory, cache, hard disk.
(2) e) registers, cache, main memory, hard disk.
6. Data on a CD-ROM is stored in the form of and .
SW
(0) a) bumps; holes
(2) b) pits; lands
(0) c) pits; bumps
(0) d) + charge; -charge
(0) e) pit; flat line
7. Addresses and data share the same lines on the bus, using a technique called:
(0) a) forward line sharing
(0) b) Address/Data line interleaving
(0) c) dualplexing
(2) d) multiplexing
ER
(0) e) singleplexing
8. The Number System in which 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, A, B, C, D, E and F are valid digits
is:
(0) a) Subdecimal
(0) b) Decimal
(2) c) Hexadecimal
(0) d) Octal
(0) e) Binary
S
2 OF 9
Downloaded by Austine Wanjala (wanjala883@gmail.com)
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller EXCELLENTSCORES1. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.99. You're not tied to anything after your purchase.
